Answer:
The difference between living and non living things are different from nonliving things, such as rocks and the tent. The difference between living things and nonliving things is little things that we call is senses like sight, taste, touch, smell, and hearing.
which of the following best describes the role of an enzyme in living organisms
Answer:
They cause DNA to replicate. They denature each other. They are molecules made of amino acids that speed up chemical reactions by lowering the activation energy.
The statement that best describes the role of an enzyme in living organisms is enzymes always break down substrates into monomers during a reaction. The correct option is c.
What are enzymes?
Enzymes are proteins that increase the rate of the reaction. In the human body, enzymes are used to break down food molecules. Enzyme inhibitors are biological or chemical substances that bind to an enzyme's active site and prevent the enzyme from performing its activity.
The fundamental structure of a polypeptide chain refers to this arrangement of amino acids. This in turn dictates the enzyme's three-dimensional structure, including the active site's shape.
Therefore, the correct option is c, Enzymes always break down substrates into monomers during a reaction.
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The question is incomplete. Your most probably complete question is given below:
Enzymes raise the activation energy required to start a reaction. Enzymes work as catalysts to speed up the rate of a reaction.
Enzymes always break down substrates into monomers during a reaction.
Enzymes work as catalysts to slow down the rate of a reaction.
Your friend does not believe in the theory of evolution—specifically because he does not believe that life originated from organic molecules that came together in a primordial soup. As someone who has studied the theory of evolution, how might you respond to his objections
Answer:
Answered below
Explanation:
In the 1920s, Russian Chemist A.I Oparan and English geneticist Haldane, first conceived and developed independently, the theory of Primordial soup. The primordial soup theory suggests that life began in a pond or ocean as a result of the combination of the right amounts of chemicals from the atmosphere and some form of energy, under the right conditions, which resulted in the production of amino acids, the building blocks of proteins from which life evolved. This is suggested to have happened 3 to 4 billion years ago.
This theory was tested by Chemist Stanley Miller and Physicist Harold Urey, in 1950. They mixed gases thought to be present in the primitive earth and electrically sparked the mixture, which resulted in the formation of amino acids.
The shrimp in the photograph are small crustaceans, related to lobsters and crabs. Two shrimp. Photo by Russ Hopcroft, courtesy of the NOAA Which specialized carbohydrate is used in shrimp exoskeletons? cellulose glucagon glycogen chitin
Answer:
Chitin
Explanation:
This glucose derivative is in fact the main building block of cell walls in not only arthropods (including the shrimp), but also fungi and insects, and also has a structural function in the scales of fish. The most similar commonly-known substance in terms of function is keratin, which makes up our hair and nails.
Answer:
chitin
Explanation:
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A hiker is lost in the woods with no food for several days. As a result, the hiker develops a ketoacidosis which has lowered their blood pH. Which of the following will occur as a homeostatic response to this disturbance in pH?
a. an increase in ventilation and an increase in blood carbon dioxide.
b. an increase in ventilation and a decrease in blood carbon dioxide.
c. a decrease in ventilation and an increase in blood carbon dioxide.
d. a decrease in ventilation and a decrease in blood carbon dioxide.
Answer:
Option D is the correct answer! IG ;)
Explanation:
Hope it helped and is correct!
An increase in ventilation and a decrease in blood carbon dioxide. So, the correct option is (B).
What is Ketoacidosis?Ketoacidosis is defined as a severe diabetes complication where the body produces excess blood acids known as ketones. This condition occurs when there is not enough insulin in the body which can be triggered by infection or other disease.
The symptoms which include thirst, frequent urination, nausea, abdominal pain, weakness, fruity-smelling breath and confusion. There are a number of hospital treatments to replace fluids and electrolytes and insulin therapy may need to be provided.
During hiking, an increase in ventilation and a decrease in blood carbon dioxide will occur as a homeostatic response to this disturbance in pH, leading to ketoacidosis.
Thus, an increase in ventilation and a decrease in blood carbon dioxide. So, the correct option is (B).
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Which trait is deliberately selected for when breeding persian cats
Answer:An even-tempered cat, the Persian is known to enjoy a sunny window and show sudden bursts of kitten-like energy.
Persian At a glance
The Persian Cat Breed
The Persian is not known for a high degree of energetic exercise, so attention must be paid to weight management.
Weight range:
Male: large: >12 lbs.
Female: medium: 8-12 lbs.
Eye color:
Blue, Copper, Green, Hazel, Odd-eyed
Expectations:
Longevity Range: 8-11 yrs.
Social/Attention Needs: Moderate
Tendency to Shed: High
Coat:
Length: Long
Characteristics: Silky
Colors: White, Red, Cream, Black, Blue, Chocolate, Lilac, Silver, Golden, Cameo, Tortoiseshell, Blue-cream, Brown, Calico, Seal
Pattern: Solid Color, Tortoiseshell, Bicolor, Tricolor/Calico, Tabby, Smoke,
Explanation:
In a plant cell wall the layer that is between a membrane, adding additional protection and support; not found in all plant cells.
a. True
b. False
Answer: SECONDARY CELL WALL.
Explanation: When cell wall grow,it becomes thickened,then it further deposits new layers of a different material (different from that of the primary cell wall) from where secondary cell wall is formed.
This secondary cell wall is made up of cellulose,hemicellulose,and lignin.
They function in providing additional strength,support, rigidity to cells and the larger plant.
Answer:
The correct answer is "secondary cell wall".
Explanation:
The secondary cell wall is an structure found in many type of plants, located right after the primary cell wall and before the plasma membrane. The secondary cell wall is made mainly of cellulose, as well as other elements such as polysaccharides, lignin, and glycoproteins. Secondary cell walls are present in tracheary elements and within the fibers of primary xylem and the secondary xylem.
Which of the following relies on amolecule binding to the repressor to prevent the repressor from binding to the operator?
a. repression
b. gene expression
c. an operon
d. induction
Answer:
d. induction
Explanation:
A repressor is a protein capable of inhibiting target gene expression by binding to both operator sites and gene silencers. A DNA-binding repressor inhibits the interaction between the RNA polymerase and the DNA promoter sequence, thereby suppressing transcription into RNA. Moreover, the RNA-binding repressor is a protein that binds to the messenger RNA (mRNA) molecule in order to prevent its translation into protein. An inducer can start transcription by interacting with the repressor, thereby separating it from the DNA operator sequence.
What phrase describes this plate boundary
Answer:may occur in oceans
is a type of transform boundary
iS a region where earthquakes occur
Explanation:
Answer:
D. is a region where earthquakes occur
Explanation:
When two tectonic plates slide/rub up against each other it causes earthquakes.
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Which of the following represents molecular genetics?
A. Mapping out the genes and DNA in a human with the Human Genome project
B. Splicing the gene for human insulin into bacteria to produce insulin faster for diabetics.
C. Using genetic principles to calculate the probability of different traits showing up in the offspring when two individuals mate.
D. Simulating the rate of change in the deer populations due to the spread of blue tongue disease
Answer:
I think the correct answer is of letter A.
Drag each tile to the correct box.
Arrange the tiles to show the sequence of the steps in a scientific investigation.
make an observation
ask questions
construct a hypothesis
test the hypothesis
analyze the results
and make conclusions
communicate the results
↓
↓
↓
↓
↓
communicate the results
analyze the results
ask questions
construct a hypothesis
test the hypothesis
During which stage of the drawing in phase should the ability waiver be signed?
A. Stage 1
B. Stage 3
C. Stage 2
D. Stage 5
Answer:
The correct answer is - option A. stage 1.
Explanation:
Drawing in phase is a process that make sure for better client motivation and establishes an individual as a professional. There are five stages of drawing in phase.
Stage 1 is the stage that involves the establishment process of an individual as professional by through understanding his craft, sincerity for the work, client rapport, maintaining integrity and enthusiasm for the work and craft.
Thus, the correct answer is - option A. stage 1.
In what Scripture does God tell us that plants are for the needs of people and animals?
•John 3:16
•Isaiah 6:12
•Genesis 1:29-30
•Matthew 5:5
Answer:
genesis 1;29-30 God told Hebrew "See, I give you every seed-bearing plant that is upon all the earth,and every tree that has seed-bearing fruit; they shall be yours for food, explanation:
look it up in the bible or bible requst
In a car accident, Jane suffered a chest injury that resulted in impaired breathing and respiratory acidosis. How will her body compensate for this imbalance?
a) kidneys eliminate bicarbonate ions.
B) kidneys retain bicarbonate ions.
c) kidneys retain hydrogen ions.
d) kidneys eliminate carbon dioxide.
Answer:
B) kidneys retain bicarbonate ions
Explanation:
Respiratory acidosis involves the inability of the lungs to remove the Carbon dioxide in the body which result in the blood being acidic.
Jane was said to suffer a chest injury that resulted in impaired breathing and respiratory acidosis. Her body will compensate for this imbalance through the kidneys having the ability to retain bicarbonate ions. This helps to reduce the acidity as the ions are alkaline in nature.
During glycolysis, ATP is produced when 1,3 bisphosphoglycerate transfers a phosphate to ADP forming ATP. This is an example of ________. Group of answer choices
Answer:
This is an example of substrate-level phosphorylation.
Explanation:
There is oxidative phosphorylation and there is substrate-level phosphorylation. The question gives an example of substrate-level phosphorylation which describes the formation of ATP from other molecules such as ADP or GTP.
I hope this answer helps.
Help please give me a list of prokaryotes i will give you 30 POINTS if you help me
Answer:
Escherichia coli bacterium, Streptococcus bacterium, Sulfolobus acidocaldarius archeobacterium, streptococcus pyogenes, lactobacillus acidophilus, Cyanobacteria, Archaea. Do you need more?
You decide to halve the time you spend in the shower each day and to turn off the water while you’re brushing your teeth and washing your face at the sink. Evaluate the effect that these actions might have onto different aspects of the water cycle if every person in your neighborhood also performed them.
Answer:
Decreasing the consumption of water helps to maintain the fresh waters of our planet, the less we consume the less quickly they will end.
If we abuse fresh water, one day the planet will end and the salt water from the seas will have to be filtered, which is much more expensive and more polluting.
Explanation:
In addition, we must bear in mind that the less we use the water, the less we will contaminate it with chemicals such as shampoos, rinse creams, soap, therefore less water will end up in the non-recyclable water cycle.
All the water we use will end up being polluted and will not enter the natural cycle of water from river rainfall, irrigation and evaporation in the skies.
. Which biomolecules do not function in supporting a cell?
Answer:
Generally the primary organic molecules in cells which support the metabolic and biochemical process of the cells are bio molecules Theses are Carbohydrate
Protein
Lipids
and Nucleic acids of DNA and RNA. They can also be the minute hormones and metabolites present in the cells.
Generally, CHO provide structural supports to the cells,and acts as sources of energy.
Protein forms most enzymes for biochemical reactions,and aids movements, through muscle contractions. Besides,muscles are made of protein.Therefore protein forms the structural basis of the muscles.This aids movement and locomotion for support.
Lipids are the richest source of energy for the cell,and provides support the cells membrane.
The nucleic acids,are primary concerned with the transfer of inheritable characteristic from mother cells to the daughters during reproduction.While the DNA is the genetic information been transferred,the RNA is the vehicle for transmission of the genetic information as protein from the parents' nucleus to the offspring. Thus the nucleic acid roles it for transmission of genetic information as genes,(DNA) and translation of these genes as proteins(RNA).Hence,Nucleic acids does not participate in the cells' support.
Therefore
Explanation:
Answer:
Nuclei acids do not function in supporting a cell
When blood calcium falls too low, a regulatory system acts in three locations to raise it. Which of these is not one of the locations?
a. stomach
b. small intestine
c. bones
d. kidneys
Answer:
a) stomach
Explanation:
"The procedure of cleansing of the blood through the use of a machine instead of the kidney is called"
Answer:
Hemodialysis.
Explanation:
Hemodialysis is a medical approach also called artificial kidney that uses machine to to draw out blood , filter the blood by removing waste product and toxins and send it to another part of the machine that will send the blood back to the body.
This is use when the kidney cannot perform this function on its own.
The machine is called hemodialyser.
What type of bond involves the sharing of electrons?
Answer:
Covalent bond involves sharing of electrons.
sea turtles are what kind of vertebrae
Answer:
Reptiles
Explanation:
Snakes, lizards, turtles, crocodiles, and birds are reptiles.Reptiles are vertebrates that have scales on at least some part of their body, leathery or hard-shelled eggs, and share a number of other features
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If a father is affected by an X-linked dominant condition and the mother is not, which children can inherit the condition? A. both males and females B. only males C. neither males nor females D. only females
Answer:
C
Explanation:
Neither males nor females
Given the following codons and their corresponding amino acids
UUU- Pheylalanine
CUA - Leucine
GCU - Alanine
AAA - Lysine
a) show the mRNA sequence which codes for the short peptide, lys-ala-phe-leu. Include what should come before and aftér this short message.
b) Show the TRNAS anticodons that would line up at the mRNA
c) Show the base sequence that would be found in the DNA double helix which carries the gene for this peptide.
Label the coding and template strand. You do not need to label the 5' and 3' ends.
Answer:
Given:
UUU- phenylalanine
CUA- Leucine
GCU-Alanine
AAA-Lysine
a) mRNA sequence or codons for the short peptide with amono acid sequence of lys-ala-phe-leu would be:
mRNA (Codons) 5’-AAA-GCU-UUU-CUA-3’
b) tRNA anticodon for the same amino acid sequence lys-ala-phe-leu on the base of mRNA 5’-AAA-GCU-UUU-CUA-3’ would be :
tRNA (Anticodons) 3’-UUU-CGA-AAA-GAU-5’
c) base sequence that would be found in the DNA double helix which carries the gene for this peptide -
5’-AAA-GCT-TTT-CTA-3’ Coding DNA Strand
3’-TTT-CGA-AAA-GAT-5’ Template DNA Strand
A starch molecule is like a:
protein
•chemical battery
•enzyme
•simple glucose
•reservoir of energy
Answer:
•reservoir of energy
Explanation:
Starch is one of the important source of energy or reservoir of energy. Starch is a chemical composed of several glucose units.
The starch breaks down into glucose units with the help of enzymes and these glucose units then circulate in the blood stream that is utilized as an energy source.
Some of the starch sources are potato, bread, beans, and rice.
a beaker cannot be used for measuring the volume of a liquid because
Answer:
Beakers should not be used for measuring a liquid's volume because beakers can be inaccurate. For example, they are typically accurate within 5 percent. Beakers should only be used for approximating volume.
A better choice for accurate volume would be a graduated cylinder, since they are accurate within 1 percent. The best options are pipets, burets and volumetric flasks. All three are accurate within less than 0.2%.
Essentially, beakers are not precise, and therefore should not be used for measuring the volume of a liquid.
A specific location in America produces electricity only from fossil fuels and geothermal energy. The table below shows the amount of methane in the atmosphere of the location from 1960 to 2000. Based on the table, which of these conclusions is most likely correct about the period between 1980 and 1990? Electricity was generated only from fossil fuels. Electricity was generated only from geothermal energy. Several fossil fuel units were replaced by geothermal units. Several geothermal units were replaced by fossil fuel units.
Answer:
Several fossil fuel units were replaced by geothermal units.
Explanation:
Though geothermal units also release methane - along with several other pollutants - they release FAR less than a fossil fuel plants.
From the table we can conclude that, several fossil fuel units were replaced by geothermal units.
What is fossil fuel?
A fossil fuel is a non renewable energy obtained from hydrocarbons. This type of energy source releases lots of green house gases into the atmosphere.
The energy obtained from geothermal energy is clean and does not release green house gases into the atmosphere.
Thus, from the table we can conclude that, several fossil fuel units were replaced by geothermal units.
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Fats are absorbed by the epithelial cells of villi in the intestinal tract and enter the capillary beds of the circulatory system.
a) true
b) false
Answer:
This statement is False.
Because Fats are digested and absorbed In Small Intestine.
The fats should be digested and absorbed in the small intestine. So, the given statement is false.
What is fat?In terms of nutrition, biology, and chemistry, fat defined the fatty acids or it should be comprise of the compounds that should be arise in the living being or in the food. Since fats should not be absorbed via the epithelial cells of villi in the intestinal tract also not entered into the capillary beds of the circulatory system.
Therefore the given statement is false.
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which best describes what happens to stop during photosynthesis
Answer:
it dosent stop
Explanation:
yes which best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesis
The juxtaglomerular apparatus secretes:_________.
A. renin.
B. ADH.
C. oxytocin.
D. aldosterone.
E. angiotensin.
Answer:
I THINK OPTION B) ADH. IS THE RIGHT ANSWER.
Explanation:
HOPE IT HELP....The number of possible chromosomal orientations during metaphase I is equal to the number of chromosome pairs raised to the 2nd power.
A. True
B. False
Answer:
A
Explanation:
The statement is entirely true.
During metaphase 1 of meiosis, each tetrad - a chromosome consisting of 4 chromatids - formed in prophase has 2 possible orientations. Hence, the total number of possible chromosomal orientations would be 2 raised to the power of the number of chromosome pairs present in the cell.
For example, humans have 23 pairs of chromosomes in each of their cells, hence, the total number of possible chromosomal orientations would be [tex]2^{23}[/tex] which is equal to 8,388,608 possible orientations.
The correct option is A.