SOMONE PLS HELP ME WITH THIS!
Create a simple circuit by connecting the battery to the light bulb with the two wires.
This should be a closed circuit like talked about earlier in the lesson.
You will test the following materials to see if they are conductors or insulators:
rubberband
penny
nickel
toothpick
key
paperclip
two more items of your choice
To complete the test disconnect the wire from one end of the batter and place the object you are testing between the batter and the wire. If the light bulb still lights up the material is a conductor. If it does not light up it is an insulator.
Download the data table and complete it as you do the experiment. Your class will have a discussion about your two "choice" objects after you are done with the activity.
Answers
Due to the unbound electrons in conductors, electrical current can flow through them relatively quickly. Insulators don't conduct electricity well because they resist it.
What is insulator and conductor?
Insulators are substances that prevent electrons from freely moving from one elemental particle to another. The charge stays in the same spot and does not spread across the surface if we transfer any quantity of charge to such an element at any time. Rubbing is the most typical method of charging such materials.
Insulators- rubber band, toothpick,
Conductors- penny, nickel, key, paperclip
Materials that easily permit the flow of electricity are referred to be electrical conductors. Conductivity is the quality of conductors that enables them to conduct electricity.
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Answer:
insulator: rubber band & toothpick
conductor: key, penny, nickel and paperclip
for object 1 I used foil and foil is a conductor
for object 2 I used cloth and clothes is an insulator
hope this helped :)
Explanation:
Related Questions
Only a portion of the energy in each trophic level is available to the next level.
Plants are part of the first trophic level. Which statement is true about plants?
OA. Plants have access to the energy in all four trophic levels.
OB. Plants have access to only the energy in the second trophic level.
OC. Plants have access to only the energy they capture from sunlight.
OD. Plants have access to the energy in all trophic levels except the
first one.
Answers
Plants are part of the first trophic level.
Plants have access to only the energy they capture from sunlight.
What is a trophic level?
Based on their eating habits, organisms in a chain are divided into various stages. The producers, or green plants, are found on the first and lowest level. The second-level creatures eat the plants or their products. Primary carnivores, or meat eaters, consume herbivores in the third level, while secondary carnivores consume primary carnivores at the fourth level. Since many organisms feed on different trophic levels, these classifications are not strictly enforced. For instance, some omnivores—which are carnivores that also occasionally consume plant material or animal carcasses—are also herbivores.To know more about trophic levels, click the link given below:
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T/F protein a will bond to a repressor molecule, which will then bind to the dna strand, covering the promoter.
Answers
The given statement "Protein a will bond to a repressor molecule, which will then bind to the DNA strand, covering the promoter" is true because repressor molecules act by blocking DNA sequences like the promoter.
In molecular genetics, a repressor molecules can be basically defined as a DNA or an RNA-binding protein which basically inhibits the expression of one or more than one genes by binding to the operator or any other associated silencers.
A DNA-binding repressor would block the attachment of the RNA polymerase to the promoter and by this it will be able to prevent the transcription of the genes into mRNA whereas an RNA-binding repressor will bind to the mRNA and will happen to prevent the translation of that mRNA into protein. Thus, a repressor acts by blocking important DNA sequences like the promoter.
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Which statements describe the structure of each type of macromolecule? Check all that apply.
The building blocks of carbohydrates are sugars that are made of carbon, hydrogen, and oxygen.
The building blocks of lipids are molecules that contain mostly carbon and hydrogen.
The building blocks of proteins are amino acids made of carbon and nitrogen only.
The building blocks of nucleic acids are nucleotides made of carbon, hydrogen, oxygen, nitrogen, and phosphorous.
Answers
All the macromolecule carbohydrates, lipids, and proteins contain carbon, hydrogen, and oxygen, so statement 3 is the exception remaining all are true statements.
What are macromolecules?These include lipids (or fats), proteins, carbohydrates, and nucleic acids. All of the main kinds of macromolecules share the property of being huge polymers constructed from small repeating monomer subunits.
Proteins are made up of amino acids, in the structure of these amino acids includes carbon, oxygen, hydrogen and nitrogen.
Therefore, in the question, all the statements are true except statement 3.
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Answer:
a,b,d
Explanation:
I just did it
Progressive muscle relaxation is commonly defined as an interaction with the interior self that facilitates the relationship between mental and biological response. a. true b. false
Answers
True Progressive muscle relaxation is frequently described as an engagement with the inner self that supports the connection between the brain and the body.
What is the name of the stress-reduction method that involves the contraction and relaxation of muscular groups?One of the most basic and straightforward relaxation techniques is progressive muscle relaxation (PMR). The early 1920s saw the invention of this now-common practice by Dr. Edmund Jacobson.
What hormones are produced by the body to prime it for fast physical action?Your adrenal glands produce the hormone adrenaline (also known as epinephrine) to aid in your preparation for stressful or dangerous circumstances. The rapid release of adrenaline into your blood is known as an adrenaline rush. Your body begins to prepare for a "fight or flight" reaction as a result.
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For the cross in Part B, predict the frequencies of each of the phenotypes in the F1 progeny, and determine the genotype(s) present in each phenotypic class. Complete the diagram by dragging the correct label to the appropriate location. Labels can be used once, more than once, or not at all.
Answers
The multiplication rule is used to calculate the frequencies of the four phenotypic classes.
What does genetics' rule of multiplication entail?The probability of inheriting numerous, independently occurring genetic features simultaneously is determined by the product (or multiplication rule). By multiplying the odds for each genotype together, this likelihood is determined.
For instance, the likelihood of the green progeny's development depends on inheriting a y allele from both parents (probability = 12 x 12 = 14). They thus make up 14 of the total progeny.
Similar to the wrinkled children, which account for 12 of the total progeny because getting a r allele from both parents is necessary for their creation (probability = 1 x 12 = 12).
Apply the multiplication rule to determine their frequency because the [wrinkled, green] progeny are concurrently green and wrinkled and these events are independent: 14 x 12 = 1/8.
RrYY, RrYy, 3/8 (x2)
rrYY, rrYy, 3/8 (x2)
1/8 - Rryy
1/8 - rryy
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Which is NOT an example of a freshwater biome?
Question 26 options:
small stream
large river
open ocean
deep lake
Answers
use the information you learned from the dna microarray to write an argument to convince smokers to stop smoking.
Answers
One of the main reasons you should give up smoking is because it can impact Cytochrome P450, a gene that is raised in cancer patients and is not increased in non-smokers.
What conclusions can be drawn from microarray data?Using microarray technology, we can check whether genes his cancer cells have increased, decreased, turned on, or turned off. that the gene was not impacted by the cancer cell.
What does a DNA microarray's yellow color indicate?If a spot turns yellow, it means that the gene was neither robustly expressed nor considerably silenced in cancer cells. These components of your experiment will be obvious. There is no cDNA from the patient that has connected to the gene's DNA.
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Genetic testing is used to determine whether a(n)_____ has a disease causing gene, while genetic screening is used to determine how frequently the gene is found in a(n)______.
Answers
Person, population
Genetic testing is a type of medical test that looks at a person’s DNA to identify changes related to specific genetic conditions. This type of testing is used to diagnose a genetic disorder or to determine a person’s chance of developing or passing on a genetic disorder.
Genetic screening is a type of medical test that looks at a population of people to determine how frequently a specific gene occurs. It is used to identify gene variations that may be associated with an increased risk of developing a particular disease or condition.
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Where do the high-energy electrons come from to power:
Photosynthesis
Aerobic Respiration
Fermentation
Inorganic chemical-based Chemosynthesis (or Chemoautotrophy)
Answers
Answer:
High energy electron come from photosynthesis.
Explanation:
Sun is primary source of energy. All the energy come from
which of the following are functions of membranes? group of answer choices cell-cell communication regulation of transport compartmentalization define cell boundaries all of the these
Answers
Answer:
the answer is All of these.
rank the levels of organization from least inclusive (smallest) to most inclusive (largest), beginning with the least inclusive at the top of the list and the most inclusive at the bottom of the list.
Answers
Answer:organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere
Explanation:organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere
In levels of organization, cells form tissues, tissues become organs, organs become organ systems, and several organ systems combine to produce a single organism.
Thus, the basic units of life and the simplest degree of organization, cells serve as the foundation for all living things. Tissues are collections of cells that collaborate to carry out particular tasks. Organs are multi-tissue structures that collaborate to perform particular tasks for an organism.
Organ systems are made up of several organs that work together to carry out greater tasks essential to an organism's existence. An individual living being made up of a variety of organ systems and capable of undergoing the processes of life is referred to as an organism.
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match the following. 1. the blending of two traits in a heterozygous individual multiple alleles 2. where more than two alternatives for a gene exist a. incomplete dominanceb. multiple alleles
Answers
The blending of two traits in a heterozygous individual multiple alleles a. incomplete dominance
Incomplete dominance is a type of genetic inheritance where the phenotype of the offspring is a blend of the phenotypes of the two parents. In other words, the offspring's phenotype is neither completely dominant nor completely recessive to either parent but somewhere in between. This occurs when the alleles of the gene in question are not completely dominant or completely recessive, so the expression of the alleles blend together. For example, if a red flower and a white flower are crossed, the offspring may be a pink flower. This is because the pink is the result of red and white blending together. In incomplete dominance, the phenotype of the offspring is a mixture of the two parents, while in complete dominance, the offspring expresses only one of the two parent’s phenotypes.
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35. (four marks) Illustrate the formation of sucrose from the reaction of a glucose molecule with a fructose molecule. glucose + fructose → 1
Answers
The formation of sucrose from the reaction of a glucose molecule with a fructose molecule is Molecule of fructose Glucose + Fructose ------> Molecule of sucrose
What happens when glucose and fructose react?Sugars like fructose and glucose can combine to form sucrose. A sugar that has one unit of fructose and one unit of glucose, sucrose is a disaccharide. A condensation reaction occurs when two molecules are joined together and a water molecule is released.
A glycosidic bond, which is a covalent bond between two monosaccharides, is created by this reaction between the two molecules. The following is the response:
The enzyme sucrase is responsible for initiating the glucose, fructose, sucrose, and water reaction. It helps break down sucrose for digestion and is found in the small intestine. A dehydration synthesis reaction, in which the two molecules join together and release water, is demonstrated by this reaction.
It is also an illustration of a condensation reaction, in which two molecules join together to release a small molecule like water.
The digestion of sucrose and other disaccharides like lactose and maltose is dependent on the fructose-glucose reaction. Additionally, the reaction has a significant impact on the energy production and carbohydrate metabolism.
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a hormone that is secreted from a cell is manufactured by ribosomes_____. a hormone that is secreted from a cell is manufactured by ribosomes_____. attached to the rough endoplasmic reticulum attached to the plasma membrane inside the nucleus attached to the golgi apparatus
Answers
The hormone secreted from a cell is manufactured by the ribosomes is (a) attached to the rough endoplasmic reticulum (RER).
Rough endoplasmic reticulum (RER) is one of the two types of endoplasmic reticulum. It is covered by ribosomes all over that are involved in the synthesis of proteins. The RER is attached in continuous with the membrane of the nucleus.
Hormones are the chemical messengers that are present in the blood stream, involved in regulating various body functions. Hormones can be made up of proteins, steroids, etc. The examples of hormones are: growth hormone, glucagon, luteinizing hormone, insulin, oxytocin, etc.
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The diagram illustrates the evolution of tetrapods. A tetrapod is a four footed animal. The changes observed over time occurred as the organisms
Answers
adapted to their environment, allowing them to become better suited to survive and reproduce. Over time, some tetrapods evolved the ability to walk on land, while others developed the ability to swim. These adaptations were driven by natural selection, where individuals with traits that helped them survive and reproduce were more likely to pass on those traits to their offspring. As a result, the tetrapod population gradually changed over time, with new species forming and old species becoming extinct. The diagram shows this process of evolution over time, highlighting the changes that tetrapods underwent as they adapted to different environments and changed over generations.
characteristics that define archaea, however, include the presence of a cell wall, but its structure is not composed of ______ like that of the members of domain ______.
Answers
Characteristics that define archaea, however, include the presence of unique membrane lipids, cell wall construction and composition and metabolic pathways.
Long before multicellular life developed on Earth, there existed bacteria and Archaean. They are everywhere around us and engage in a wide range of metabolic processes. Because of this diversity, various species within clades can live on any surface where there is enough moisture.
While bacterial phospholipids are made up of straight fatty acids coupled by ester bonds to the enantiomeric glycerol-3-phosphate backbone, archaeal lipids are made up of highly methylated isoprenoid chains that are ether-linked to a glycerol-1-phosphate backbone.
There are numerous metabolic pathways found in the Archaea that are not the well-known classical pathways. Modified variants of the Embden-Meyerhof and Entner-Doudoroff pathways carry out glycolysis.
The question is incomplete, it should be:
Characteristics that define archaea, however, include the presence of unique membrane ________, _________ construction and composition and _______ pathways.
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Which of the following is one of the four basic cell types in the body?a. respiratoryb. epithelialc. endocrined. integumentarye. immune
Answers
One of the four basic cell types in the body is epithelial.
Thus, the correct option is B.
The term tissue is used to describe а group of cells found together in the body. The cells within а tissue shаre а common embryonic origin. Microscopic observаtion reveаls thаt the cells in а tissue shаre morphologicаl feаtures аnd аre аrrаnged in аn orderly pаttern thаt аchieves the tissue’s functions. From the evolutionаry perspective, tissues аppeаr in more complex orgаnisms.
lthough there аre mаny types of cells in the humаn body, they аre orgаnized into four broаd cаtegories of tissues: epitheliаl, connective, muscle, аnd nervous. Eаch of these cаtegories is chаrаcterized by specific functions thаt contribute to the overаll heаlth аnd mаintenаnce of the body.
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_________is often referred to as the "energy currency of the cell." Please do not spell the entire name of the molecule, use its acronym.
Answers
ATP is often referred to as the "energy currency of the cell."
Adenosine 5'-triphosphate, or ATP, is a key molecule involved in intracellular energy storage and transmission. Often referred to as the energy currency of the cell, it can be compared to storing money in a bank.
ATP is commonly referred to as the cell's "energy currency" because it provides readily releasable energy at the bond between the second and her third phosphate groups. ATP synthesized in mitochondria is the dominant energy source for crucial biological functions such as muscle contraction, nerve impulse transmission, and protein synthesis.
Most ATP in cells is produced by the enzyme ATP synthase, which converts ADP and phosphate to ATP. ATP synthase is found in membranes of cellular structures called mitochondria. In plant cells, this enzyme is also found in chloroplasts.
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The role of a control in an experiment is to
Group of answer choices
provide a basis of comparison to the experimental group.
prove that a hypothesis is correct.
ensure repeatability.
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The role of a control in an experiment is to provide a basis of comparison to the experimental group.
In an experiment, a control group is a group that experiences the same conditions as the experimental group with the exception of the independent variable under study. The inclusion of a control group serves the purpose of creating a baseline or standard against which the effects of the independent variable can be assessed.
Researchers can evaluate how the independent variable affects the experimental group by comparing it to a control group, which provides a specific or general condition.
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during early embryonic development, which of the following structures supply nutrition to the growing embryo?
Answers
Answer:
umbilical cord
Explanation:
The umbilical cord contains 2 arteries and a vein. It carries oxygen and nutrients to the fetus and waste products away from the fetus
André is starting to notice facial hair and hair under his arms. His voice also seems to be deepening. He is noticing changes in _____ sex characteristics.
Answers
secondary sex characteristics. Adolescents may worry and worry about being different from their friends due to voice changes, wet dreams, involuntary erections.
The prefrontal cortex experiences an increase in myelination and synaptic pruning during adolescence, which boosts the efficiency of information processing and strengthens the neural connections between the prefrontal cortex and other parts of the brain. Precocious puberty can come in three different forms for children: central precocious puberty, which is the most prevalent variety, peripheral precocious puberty, and incomplete puberty. Precocious puberty in the centre: The premature release of sex hormones causes central precocious puberty.
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on a cladogram representing genetic evolutionary relationships of the plant groups, the evolution of separates the angiosperms and gymnosperms from the other groups of plants
Answers
An illustration of a possible relationship between groups of species, including their shared ancestors, is called a cladogram. Gymnosperms and angiosperms differ primarily in how their seeds are made.
How can cladograms depict relationships in evolution?
Cladograms are used by scientists to make suggestions and pose queries regarding the evolutionary relationships between various species. by emphasising derived characters and taking into account ancestor traits.
What are the relationships between plants in evolution?
From the first algal mats to multicellular marine and freshwater green algae, the development of plants has produced a vast variety of complexity.
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A number of conditions are required for a population to be in Hardy-Weinberg equilibrium. Which of the following are correct descriptions of the conditions that must be met? Check all that apply.
A. no mutations
B. random mating
C. small population
D. migration or gene flow
E. occurrence of mutations
Answers
A number of conditions are required for a population to be in Hardy-Weinberg equilibrium are: no mutations, random mating and occurrence of mutations. Option A, B and C is correct.
The Hardy-Weinberg equilibrium is a theoretical model that describes the genetic structure of a population in which certain conditions are met. In order for a population to be in Hardy-Weinberg equilibrium, the following conditions will be met:
No mutations: This refers to a complete absence of any genetic changes or mutations.
Random mating: This refers to the idea that individuals in a population mate randomly and with equal probability, regardless of their genotype.
Occurrence of mutations: Mutations do occur, but they occur at low frequency and do not have a significant impact on the overall genetic makeup of the population.
The conditions listed below are not requirements for a population to be in Hardy-Weinberg equilibrium:
Small population: The size of the population does not affect the Hardy-Weinberg equilibrium.
Migration or gene flow: The movement of individuals or genes into or out of a population can disrupt the Hardy-Weinberg equilibrium, but it is not a requirement for the equilibrium to be maintained.
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How does gel electrophoresis allow scientists to separate DNA samples based on their size? (Your answer must include the terms positive charge and negative charge!)
Answers
Answer
Gel electrophoresis and DNA
DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode. Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
Which of the following are potential hazards which you might encounter in the laboratory? (Select all that apply)answer choice:- infectious microorganisms- open flames - hot surfaces - corrosive chemicals- sharp tools or broken glass- gamma radiation - magnetic fields
Answers
The potential hazards which we might encounter in the laboratory are
Infectious microorganismsopen flameshot surfacescorrosive chemicalssharp tools or broken glassThus, the correct options are A, B, C, D, and E.
Hаzаrds in the lаborаtory аre those risks presented by the dаngerous properties of hаzаrdous chemicаls. There аre 5 chemicаl аnd physicаl hаzаrds in the lаborаtory.
1. Chemicаl Burns: Mаny lаborаtory chemicаls аre clаssed аs corrosive substаnces, which hаve the potentiаl to breаk down or degrаde common objects such аs equipment, instruments аnd contаiners.
2. Heаt Burns: Bunsen burners аnd other heаting devices аre commonly used in the lаb to speed up chemicаl processes аnd reаctions.
3. Eye Injuries: Chemicаl exposure cаn occur if liquids or gаses аre аccidentаlly releаsed, dаmаging the eyes of workers.
4. Cuts From Glаsswаre: Broken glаss exposes shаrp edges, especiаlly when the glаss is very thin.
5. Inhаling Dаngerous Gаses: The heаlth effects from exposure to hаzаrdous vаpours cаn be either аcute or chronic.
Your options aren't well arranged, but most probably your options were
A. infectious microorganisms
B. open flames
C. hot surfaces
D. corrosive chemicals
E. sharp tools or broken glass
F. gamma radiation
G. magnetic fields
Thus, the correct options are A, B, C, D, and E.
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while developing your introduction, you should include a question, a story, or some other creative element because it will help you
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Your opening should contain a question, a little narrative, or some other inventive component to help you pique the audience's curiosity.
What four things ought to be covered in the speech's opening?The speech's opening entices the listener to stick around for the remainder of the speech. In order to be effective, an introduction must catch the audience's interest, define the issue, make it relatable, establish credibility, and summarize the main ideas.
What components are crucial when giving your debut speech?Topic selection, speech development, assistance, and organization, practice and delivery, and post-presentation analysis are the four crucial steps in giving your first speech. Everything you say, believe. You share yourself when you spread your message.
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se In addition to the p53 gene, another gene on chromosome 17 has been linked to the predisposition to skin cancer. The mutated version of this gene produces the phenotype of increased risk of having skin cancer. The diagrams above track chromosome pair #17 through the process of melosis for a male and a female. These parents are both heterozygous for this gene. Q22: Using the letters A/a, illustrate how these two individuals pass on their allele combinations to their offspring in the Punnett Square at the right. Genotype % in offspring: Phenotype % in offspring: Q23: Circle any offspring in the Punnett Square who are homozygous for this increased skin cancer risk. Q27: Can the mother and father above produce children with no increased risk for this cancer? (Circle one) YES NO Q28: Provide evidence to support your claim here.
Answers
Answer:
Unfortunately, I cannot create a Punnett Square without additional information. However, I can explain the concept of a Punnett Square and how it relates to genetic inheritance.
A Punnett Square is a diagram used to predict the expected ratio of offspring genotypes resulting from a genetic cross. In the Punnett Square, each parent's alleles are represented on the top and left side of the square, and the resulting offspring genotypes are listed in the boxes inside the square.
In the given scenario, the parents are both heterozygous for a gene that is linked to skin cancer, meaning they have one normal allele (a) and one mutated allele (A) for this gene. To create a Punnett Square, each parent's alleles are written on the top and left side of the square and then combined to predict the expected offspring genotypes.
In the offspring, there is a 50% chance of inheriting either A or a from each parent. If an offspring inherits A from one parent and a from the other, the offspring would be heterozygous and have an increased risk of skin cancer. If an offspring inherits two a alleles, the offspring would have no increased risk of skin cancer.
Therefore, the answer to Q27 is YES, the mother and father can produce children with no increased risk for this cancer. This is because the offspring can inherit two a alleles, which do not carry the increased risk of skin cancer. This is the evidence to support the claim.
Damage to which of the following lobes of the cerebral cortex would most likely lead to deficits in processing and understanding language?
A. Occipital lobe
B. Frontal lobe
C. Temporal lobe
D. Parietal lobe
Answers
Damage to the temporal lobe is most likely to lead to deficits in processing and understanding language. Here option C is the correct answer.
The temporal lobe is located near the temples on each side of the brain and plays a key role in language processing and comprehension. One of the key structures in the temporal lobe that is involved in language processing is Wernicke's area.
This area is responsible for the comprehension of language, and damage to this area can result in a type of language impairment known as Wernicke's aphasia. People with Wernicke's aphasia have difficulty understanding language and may produce speech that is grammatically correct but semantically meaningless.
Another important structure in the temporal lobe involved in language processing is Broca's area. This area is responsible for the production of language, and damage to this area can result in a type of language impairment known as Broca's aphasia.
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Testosterone is a cholesterol containing hormone produced by interstial Leydig cells inside the testes. Testosterone is circulated by the bloodstream to a variety of target cells within the body including the Sertoli cells responsible for spermatogenesis where it moves directly through the cell membrane to find a receptor inside the cells. Which of the following is true regarding testosterone?a. Testosterone is a lipid-based steroid hormone involved in endocrine signaling.b. Testosterone is a protein hormone involved in paracrine signaling.c. Testosterone is a protein hormone involved in endocrine signaling.d. Testosterone is a lipid-based steroid hormone involved in paracrine signaling.
Answers
The correct answer is "a. Testosterone is a lipid-based steroid hormone involved in endocrine signaling."
What is the role of testosterone?Testosterone is a steroid hormone, which means that it is derived from cholesterol and has a lipid structure. Steroid hormones are hydrophobic, or water-insoluble, and are able to diffuse across cell membranes to reach their target cells. In this way, testosterone is able to move directly through the cell membrane of the Sertoli cells to bind to its receptors inside the cells.
Testosterone acts through endocrine signaling, which means that it is produced and secreted by specialized cells, the interstitial Leydig cells in this case, into the bloodstream and travels through the circulatory system to reach its target cells. Endocrine signaling allows hormones to reach target cells that are far away from the site of production and to coordinate the function of cells and organs throughout the body.
Therefore, "a. Testosterone is a lipid-based steroid hormone which is involved in endocrine signaling" is the correct statement regarding testosterone.
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Does the cell shown have a cell wall, a cell membrane, or both? Explain your reasoning.
Answers
Answer:Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane. This gives the plant cell its unique rectangular shape.
Explanation: