Answer:
Starts process with a glucose molecule (Obtaining ATP begins with a breakdown of a glucose molecule (hence the name of glycose), and this is in common with the anaerobic process since this step does not require oxygen.)
Explanation:
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Answer:
If your doing the test on edgen then the answers are A.)consists of three stages, B.)yields 36 ATP molecules and, E.)starts process with a glucose molecule
Explanation:
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According to scientific evidence, the age of the earth is about how old?
Answer:
I believe it to be around 400 billion years old.
Explanation:
Gram-negative cell wall contains an outer membrane called the lipopolysaccharide (LPS). This LPS is found in the outer leaflet of the outer membrane. The innermost portion of the LPS is called Lipid A, which is an endotoxin. When are endotoxins released from a bacterial cell?
Answer:
The correct answer is - during active cellular growth and after cell lysis
Explanation:
Endotoxins, also known as LPS, are part of the outer leaflet of the outer membrane of the cell wall of gram-negative bacteria. These LPS especially Lipid A LPA released into the circulation when there is a disruption of the intact bacteria or after cell lysis. These are present in cell-associated bacteria such as Gram-negative pathogens such as Escherichia coli, Salmonella, Shigella, Pseudomonas, and others.
Which R group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein?
Answer:
CH2-Aromatic ring
Explanation:
Amino acids with aromatic R groups are relatively hydrophobic and therefore don't interact with water molecules surrounding the protein. Tryptophan (Trp), phenylalanine (Phe) and tyrosine (Tyr) are amino acids with aromatic R groups. Since these amino acids are relatively nonpolar or hydrophobic, they participate in hydrophobic interactions that are strong when there are several residues with aromatic R groups which are stacked on one another. In this regard, it is also important to highlight that Tyr and Trp are more polar than Phe due to the hydroxyl (OH-) group in Tyr and the nitrogen in the Trp ring.
An inflatable balloon with the volume of 0.75 L at 303 K was placed inside the freezer where the temperature is 263 K. Find out what will happen to the volume of the balloon if the pressure remains constant.
Answer:
Final volume, V2 = 0.66 Litres
Explanation:
Given the following data;
Initial volume = 0.75 L
Initial temperature = 303 K
Final temperature = 263 K
To find out what will happen to the volume of the balloon if the pressure remains constant, we would use Charles' law;
Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.
Mathematically, Charles' law is given by the formula;
[tex] VT = K[/tex]
[tex] \frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}[/tex]
Where;
V1 and V2 represents the initial and final volumes respectively.T1 and T2 represents the initial and final temperatures respectively.Making V2 as the subject formula, we have;
[tex] V_{2}= \frac{V1}{T1} * T_{2}[/tex]
[tex] V_{2}= \frac{0.75}{303} * 263 [/tex]
[tex] V_{2}= 0.0025 * 263 [/tex]
Final volume, V2 = 0.6575 ≈ 0.66 Litres
in what ways are forest non-renewable? in what ways can they be renewable resources?
Answer:
A renewable resource is a natural material that is replenished in the environment through natural processes. These materials can be used indefinitely, as long as they are not consumed at a rate faster than they can be restored.
What are cut flowers?
Answer:
Cut flowers are flowers or flower buds that have been cut from the plant bearing it. It is usually removed from the plant for decorative use.
Explanation:
What dose that mean please help
Explanation:
A = pi * r²
This is used to measure the area of a circle.
The value of pi is 22/7 or 3.14 and r is the radius of the circle.
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Read each description below regarding the the CNS control of the ANS.
a. It's the integrating centers for reflexes controlling heart rate and blood pressure.
b. It activates the fight-or-flight response.
c. It's the integrating center for thermoregulaton.
d. Sexual thoughts or images can increase blood flow to the genitals.
e. It's the major control center of the ANS.
1. Cerebral Cortex
2. Hypothalamus
3. Brainstem
4. Spinal Cord
(1)The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. The cerebral cortex mostly consists of the six-layered neocortex, with just 10% consisting of allocortex.
(2)The hypothalamus is a small region of the brain. It's located at the base of the brain, near the pituitary gland. While it's very small, the hypothalamus plays a crucial role in many important functions, including: releasing hormones. regulating body temperature.
(3) The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord. In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata Ten pairs of cranial nerves come from the brainstem.
(4)The spinal cord is a long, fragile tubelike structure that begins at the end of the brain stem and continues down almost to the bottom of the spine. The spinal cord consists of bundles of nerve axons forming pathways that carry incoming and outgoing messages between the brain and the rest of the body.
What are the products of photosynthesis?
Answer:
option C
Explanation:
Glucose and oxygen
What type of lipid is shown?
saturated
unsaturated
phospholipid
triglyceride
Answer:
unsaturated is the correct answer
A dead zone refers to Group of answer choices a) terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil, preventing plants and microorganisms from living there. b) oligotrophic areas in water bodies that cannot support life due to lack of nutrients. c) an ecosystem that was cleared of all vegetation for slash and burn agriculture. d) hypoxic areas in water bodies that limit marine and aquatic life.
Answer:
The correct answer is d) hypoxic areas in water bodies that limit marine and aquatic life.
Explanation:
A dead zone are oxygen-deprived regions, that is, they are large bodies of water that contain little or no oxygen, both in the depths and near the coasts in the oceans. Aquatic and marine dead zones can be caused by climate change, a product of human activity. When the temperature is high, the water does not have the same density and there is less exchange between the depths of the hydrogen peroxide and the surface water, and these no longer receive oxygen. Marine fauna, not finding the oxygen necessary for their survival, end up suffocating due to the lack of oxygen. They may also have reproductive problems and diseases, making it difficult for them to survive.
Which of the following is a material?
A. Wood
B. Rigid
C. Transparent
D. Dull
Answer:
A. Wood
Explanation:
Material is a physical object (something made up of molecules, atoms etc.)
Other listed options are characteristic of that given material. For example, an iron bar is a material, but its shiny lustre is its characteristics.
The material out of the given options is wood. Hence, the correct option is (A) Wood.
Material is something that is used to produce an item or thing. It is an essential element of the natural or synthetic substances that are employed for the manufacturing of different products. Material is used in everyday life as well as in the technical industry.
It refers to a substance that can be used as a raw material or as a semi-manufactured product to make an end-product. Materials are used to create a wide range of things, including clothing, food, medicines, buildings, automobiles, and other consumer goods.
Materials can be classified based on a variety of characteristics, including their composition, structure, and properties. Types of Materials: Materials can be classified into the following categories:
1. Natural materials, which include wood, rubber, and leather
2. Synthetic materials, such as nylon and polyester
3. Semi-synthetic materials, such as rayon
4. Composite materials, which include concrete and fiberglass
5. Electronic materials, which include semiconductors and superconductors
Features of materials: Materials have some characteristics, such as a particular physical and chemical composition, density, texture, and color, that differentiate them from other substances. Furthermore, materials can have a variety of properties, including thermal conductivity, electrical conductivity, tensile strength, ductility, and malleability.
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Why is it important that saline solution has a specific concentration when a person is put on an IV drip of saline?
Answer:
Doctors utilize IV saline for refilling lost fluids, flushing wounds, providing medication, and maintaining patients through surgery, dialysis, and chemical treatment. As a fashionable therapy, Saline IVs even found a space outside the hospital.
"There are significant quantities of sodium and chloride, higher than blood levels.
Explanation:
The solution of sodium chloride-water, generally known as saline, is the saline solution. It is the intravenous fluid most usually used. It was utilized since the early decades of the 19th century and is used annually in the United States alone with more than 200 million liters.
Though about 60 percent of the body consists of water, it is not possible to inject water into the blood alone, because the blood could lead to the depletion of important electrolytes.
Direct water injection into the bloodstream would likewise lead to the blood cells' osmotic impact.
Blood cells, which are predominantly salty, will take water and cause it to expand quickly until the cell membrane breaks down. The content of the cells would then leak into the plasma. A substantial proportion of body cells can be damaged to death. Death can result.
There would be no permanent harm to a little amount of water injected into the blood directly. The bigger the number of cells injured, in essence, the more water injects into the circulation.
Water is blended in a solution in sodium and chlorine at approximately the same concentration as blood plasma to avoid damages caused by pure distilled water on blood cells. The outcome is that the solution splits the circulating volume with the cellular fluid and becomes an integral part of the circulating volume without a detrimental influence on blood cells.
g Jack fell down and broke his crown. He broke the most anterior bone connected to the coronal suture. What LETTER is this, and what is the NAME of this bone
are oxygen and glucose products in cellular respiration?
Answer:
no the oxygen and glucose are used to produce ATP in cellular respiration
what type of properties change in a physical change?Give an example to support the answer?
Select all the correct answers.
Which two of these characteristics does an organism with bilateral symmetry possess?
Answer:
symmetrical in many ways across a central axis" and "presence of a head".
Explanation:
Bilateral symmetry is a characteristic that many organisms has at which if we divide the body using an imaginary line, we will see two mirror images. Two characteristics that an organism with bilateral symmetry possess are symmetrical in many ways across a central axis (known as well as the sagittal plane), and presence of a head that is at the middle of the central axis. The great majority of organisms posses bilateral symmetry, including the humans.
*Part 1*:
Interpretation - Identify trends, compare and contrast, draw conclusions.
The following is a plot of the number of bacterial cells vs time in a culture. A culture refers to
cells grown in a man-made environment. For example, even though oceans, streams and
ponds are teaming with microbes, they are not considered a culture because they are part of a
natural environment. Yogurt as well as cells grown on agar plates or liquid cultures are
examples of a man-made environment.
c.
b.
d.
a.
5
Time (hr)
10
*Part 1*: Analyze the image. Be sure to include a conclusion. There are no incorrect
conclusions, only illogical ones.
Answer:
Answer:
First increases, attain highest population and then decreases.
Explanation:
In the culture, the number of bacterial cells increases with the passage of time in a culture. at the beginning, the bacterial cells increases in number or population with the passage of time. At point C, it shows highest population of bacterial cells at the time period of 4 to 5 hours but after more time passed, the population of bacterial cells decreases may be the unavailability of food substances in the medium.
Which of the following are structures of the
lymphatic system? Check all that apply.
Heart
Bone Marrow
Thymus
Spleen
Blood Vessels
Tonsils
Adenoids
Answer:Bone Marrow
Thymus
Spleen
Explanation:Bone Marrow
Thymus
Spleen
The following are structures of the lymphatic system -
Bone MarrowThymusSpleenTonsilsAdenoidsThe lymphatic systemis a network of tissues, vessels, and organs.these structures work together to move a colorless, watery fluid called lymph back into your circulatory system (your bloodstream).The lymphatic system has the following structures:lymph nodes,spleen,thymus the lymphatic tissue found in the small intestine (Peyer's patches)adenoid tonsils,palatinetubal tonsilsThus, the following are structures of the lymphatic system -
Bone MarrowThymusSpleenTonsilsAdenoidsLearn more:
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Review Questions
1. If a diploid eukaryotic cell contains 14 pairs of chromosomes for a total of 2n = 28, how
many chromosomes will be in the resulting products of cellular division if the cell
undergoes: mitosis?meiosis?
2. If a haploid eukaryotic cell contains 10 chromosomes for a total of n = 10. How many
chromosomes will be in the resulting daughter cells if this cell undergoes mitosis?
3. By what process do homologous chromosomes exchange portions of their DNA during
meiosis?
4. In what phase does the answer to #3 occur?
5. How many mature ova will be produced from each primary oocyte?
6. How many mature sperm will be produced from each primary spermatocyte?
7. Do the homologous chromosomes separate during meiosis I or meiosis II?
8. Do the sister chromatids separate during meiosis I or meiosis II?
9. What is a polar body?
10. List the phases of mitosis and briefly describe what happens in each phase:
Answer:
6==. During spermatogenesis, four sperm result from each primary spermatocyte, which divides into two haploid secondary spermatocytes; these cells will go through a second meiotic division to produce four spermatids
The scientists mapping the SNPs in the human genome noticed that groups of SNPs tended to be inherited together, in blocks known as haplotypes, ranging in length from 5,000 to 200,000 base pairs. There are as few as four or five commonly occurring combinations of SNPs per haplotype. Integrating what you've learned throughout this chapter and this unit, propose an explanation for this observation.
Answer:
SNPs have shown that only 0.1 % of DNA sequences are different in the human genome between different individuals, thereby all the inherited phenotypic variation observed in our species is associated with only 0.1 % of differences at the genome level
Explanation:
Haplotypes are block-like sequences of DNA that are inherited together due to low recombination rates. Moreover, single-nucleotide polymorphism (SNP) mapping is a very useful methodology used to map the site of SNP mutations (i.e., SNP variants). In this regard, it has been observed that there are approximately 10 million common SNPs in the human genome. These SNPs contribute to the wide range of phenotypic variation observed in human populations for different traits (e.g., eye color, hair, weight, height, etc). Moreover, researchers have determined that SNPs can be clustered into haplotypes, thereby haplotypes can be accurately sampled by as few as approx. 300,000 selected SNPs, which are sufficient to represent all of the genetic variation across different human genomes.
Discuss the origin of the Neandertals in terms of biological adaptation and other forces of evolution.
Answer:
Neandertals are closest relative to modern humans as their large brains size had to do with their meat diets. There were many theories including the Allens theory or Bergman theory their larger nasal apertures to cold environments.
Smaller bodies are adapted to more hot climates, and larger bodies are adapted to more cold climates as per Bergman's rule. Allen's rule says that the principle that limbs are longer in hot environments and shorter in cold environments.
Explain the cause of circulatory in frog
Answer:
In the frog, Rana, venous blood is driven into the right atrium of the heart by contraction of the sinus venosus, and it flows into the left atrium from the lungs. A wave of contraction then spreads over the whole atrium and drives blood into the ventricle, where blood from the two sources tends to remain separate.
Explanation:
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Which of the following are NOT examples of data?
a.
facts
b.
figures
c.
theories
d.
measurements
Please select the best answer from the choices provided
A
B
C
D
Answer:
b
Explanation:
becusen yes
Answer:
Your answer would be C
Explanation:
Theories are not proven, they are simply ideas we come up with
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BIOL-041-CR: Biology, Part 1 / Unit 1: Biology: The Study of Life /12: Cha
3. What is the name of the process whereby some organisms are able to keep their internal conditions suitable for living?
homeostasis
O reproduction
Ο Ο Ο Ο
O photosynthesis
O metabolism
4. In order to keep a steady population, animals in a population must reproduce at a rate that is at least equal to
O the rate of deaths
twice the number of births from the previous year
O the current population
O half the number of deaths
Answer:
3) homeostasis
Explanation:
is the process where by some oranism keep their internal conditions suitable for living
We can also apply the equation for residence time to a single component of a fluid, such as carbon dioxide (CO2). Assume that the residence time of CO2 in the atmosphere is six years and the mass of CO2 in the atmosphere is 3 × 1015 kilograms. If these estimates are correct, what is the mass flow rate of CO2 into and out of the atmosphere? Assume the atmosphere is at steady state. Write your answer in scientific notation, and be sure to include the correct units.
Answer:
[tex]f=5*10^1^4kg/year[/tex]
Explanation:
[tex]T=m/f\\f=m/T\\f=\frac{3*10^1^5kg}{6 years}[/tex]
The mass flow rate of CO2 into and out of the atmosphere is [tex]f = 5 * 10^{14} kg/ year[/tex]
What is the method ?
[tex]T = m/f[/tex]
Therefore, [tex]f = m/ t[/tex]
[tex]f=3 * 10^{15} / 6 years[/tex]
So, the correct answer is : [tex]f = 5 * 10^{14} kg/ year[/tex]
What is mass flow rate?
The mass of a substance which passes per unit of time.Its unit is kilogram per second in SI units, and slug per second or pound per second in US customary unitsLearn more about mass flow rate below,
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Where does crude oil come from?
A. Bauxite reserves
B. Ancient sea life
C. Volcanic magma
D. Ancient plants
Answer:
B. Ancient sea life
If the lymph system did not do its job, what would be one of the consequences?
Answer:
"*Because the lymphatic system collects excess tissue fluid, if it were not working, swelling (edema) would occur in the tissues. The thymus cleanses the blood from the cardiovascular system of cellular debris and bacteria."
) A field biologist finds an unfamiliar single-celled organism in a sample from the surface of a marshy area. What observations or tests would make it possible to determine whether it is a protozoan, fungus, or alga
Answer:
Genetic analysis, structure analysis and study the behaviour.
Explanation:
Genetic analysis, structure analysis and study the behaviour of organisms are the observations or tests that would make it possible to determine whether it is a protozoan, fungus, or algae because these analysis provides information about the genetic makeup and structure of their cell. If the cell wall is made of chitin then it is considered as fungi, if the cell wall is made of peptidoglycan then it is an algae and if the cell wall is not present then it is considered as animals like protist.
Describe how and where viruses reproduce and the function of RNA and DNA in this process.
Answer:
Using the host's cellular metabolism, the viral DNA begins to replicate and form proteins. Then fully formed viruses assemble. These viruses break, or lyse, the cell and spread to other cells to continue the cycle. Like the lytic cycle, in the lysogenic cycle the virus attaches to the host cell and injects its DNA.