BIOLOGY HIGH SCHOOL

suppose a cell wishes to make a protein that has 100 amino acid. How many water molecules will be created in the making of this small protein?

Answers

Answer 1
Answer: The answer is 99.

Amino acids contain a carboxyl group (carbon-containing) and an amino group (nitrogen containing). Proteins are made by forming peptide bonds between the carboxyl and amino group of amino acids.
If a protein is made of 100 amino acids, that means there are 99 peptide bonds (because the last, 100th amino acid will not bind the next (101st) amino acid). For each peptide bond that is created, one oxygen atom and two hydrogen atoms are taken. Therefore, one water molecule is created for each peptide bond. If there are 99 peptide bonds, 99 water molecules are created.

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true or false In a solution of carbon dioxide in water (a soft drink) the carbon dioxide is the solute?

Answers

False water is the solute not c02

the answer is true. In general the material with a small a mount in the solution is the solute         


Nitrogen is cycled out of the atmosphere due toA. winds and currents.
B. bacteria and plants.
C. animals performing respiration.
D. plants performing photosynthesis.

Answers

The ans is B. bacteria and plants.

Answer:

B. Bacteria and Plants

Explanation:

The fact that at least one species of resistant bacteria has developed for almost every antibiotic is evidence of which condition?A. The bacteria have adapted and could be evolving into a different species.
B. The bacteria have learned to mimic other species.
C. There is no variation in the bacteria population.
D. The antibiotics are made differently.

Answers

Let us take logic into consideration although it is not so obvious.
The answer is A, because they have actually adapted. It is less likely to be B, because they cant mimic other species.
Now of course C and D are out:
reason being is that there must be variations in the bacteria population and antibiotics are never made differently.

In diffusion, movement of particles across a membrane is driven by differences in A. force.
B. shape.
C. concentration.
D. size.

Answers

c.  concentration;  moves from areas of high concentration to areas of low\
Its C. Concentration.
one area has HIGH Concentration, and another has a LOW Concentration.

Which pair of characteristics would you use to place a fish in one of the three fish classes: agnatha, cartilaginous fishes, or bony fishes?

Answers

The pair of characteristics that you would use to place a fish in one of the three fish classes: agnatha, cartilaginous fishes, or bony fishes is by skeleton type and skin covering. The correct answer choice is:


Answer: A) skeleton type and skin covering.


I hope this helps, Regards.

How do restriction enzymes precisely cut bacterial plasmids to produce "sticky ends"? Make sure you discuss how the restriction enzyme identifies the target DNA sequence in the plasmid and name the enzyme that "cuts" the DNA.

Answers

A 'sticky' end is produced when the restriction enzyme cuts at one end of the sequence, between two bases on the same strand, then cuts on the opposite end of the complementary strand. This will produce two ends of DNA that will have some nucleotides without any complementary bases.Answer:

Explanation:
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