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lora16 [44]
3 years ago
6

What would a biochemist call the result of chaining many molecules together

Biology
1 answer:
maxonik [38]3 years ago
8 0

The structure of a typical antibody molecule

Antibodies are the secreted form of the B-cell receptor. An antibody is identical to the B-cell receptor of the cell that secretes it except for a small portion of the C-terminus of the heavy-chain constant region. In the case of the B-cell receptor the C-terminus is a hydrophobic membrane-anchoring sequence, and in the case of antibody it is a hydrophilic sequence that allows secretion. Since they are soluble, and secreted in large quantities, antibodies are easily obtainable and easily studied. For this reason, most of what we know about the B-cell receptor comes from the study of antibodies.

Antibody molecules are roughly Y-shaped molecules consisting of three equal-sized portions, loosely connected by a flexible tether. Three schematic representations of antibody structure, which has been determined by X-ray crystallography, are shown in Fig. 3.1. The aim of this part of the chapter is to explain how this structure is formed and how it allows antibody molecules to carry out their dual tasks—binding on the one hand to a wide variety of antigens, and on the other hand to a limited number of effector molecules and cells. As we will see, each of these tasks is carried out by separable parts of the molecule. The two arms of the Y end in regions that vary between different antibody molecules, the V regions. These are involved in antigen binding, whereas the stem of the Y, or the C region, is far less variable and is the part that interacts with effector cells and molecules.

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At midpoint during pregnancy, you review beginning signs of labor with a patient. one of the beginning signs of labor you would
Brut [27]
<span>In the coming days (or even weeks) before labor, a woman will feel a change in position of the coming baby. The repositioning of the baby is a sign of it getting into a "head-first" position for the delivery process. A woman may feel a change in pressure, especially a lift of weight on her diaphragm making it easier to breathe.</span>
3 0
3 years ago
14. What feature of DNA replication makes it semi-conservative?
Luden [163]

Answer:

The correct answer is one strand of each new molecule comes from the original molecule.

Explanation:

DNA replication is process by which the parental DNA is converted into two daughter DNA molecule.DNA replication is semi conservative in nature which means each newly synthesized daughter DNA molecule contain 50% parental DNA characteristics.

       Each newly synthesizd daughter DNA molecule contain one parental strand and one newly synthesized strand..Thus half of the characteristics of parental DNA is being conserved in each newly formed daughter DNA molecule.

3 0
3 years ago
30% of B-A=18% OF B+A <br>THEN A:B?
dlinn [17]

Answer:

1:4

Explanation:

30%= \frac{30}{100}

18%= \frac{18}{100}

<em>Rewrite the given information:</em>

\frac{30}{100} (B - A) =  \frac{18}{100}(B + A)

<em>Multiply by 100 throughout:</em>

30(B -A)= 18(B+A)

<em>Divide by 6 throughout,</em>

5(B -A)= 3(B +A)

<em>Expand</em>

5B -5A= 3B +3A

<em>Bring</em><em> </em><em>A</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>1</em><em> </em><em>side</em><em> </em><em>and</em><em> </em><em>B</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>another</em><em>:</em>

5B -3B= 5A +3A

<em>Simplify</em>

2B= 8A

<em>Divide by 2 throughout:</em>

B= 4A

Now, we have to find the ratio of A to B.

B= 4A

<em>Divide by 4 throughout:</em>

A = =  \frac{1}{4} B

<em>Divide by B on both sides:</em>

\frac{A}{B}  =  \frac{1}{4}

Thus, A:B= 1:4

4 0
3 years ago
How many chromosomes would you expect to be in the daughter cells of the mosquito after meiosis? When starting with 6​
Mrac [35]

Answer:

The correct answer would be - three chromosomes.

Explanation:

Meiosis is the type of cell division that takes place in only sex cells and called reduction division as a single parent cell divide into four daughter cell that contains a half number of chromosomes as the parent cell.

The daughter cells are always haploid and have the half number of chromosomes. If an organism has 2n number of in its parent sex cell the daughter cells after meiosis will have n number of chromosomes

Therefore, mosquito = 2n = 6

after meiosis = n = 6/2 = 3

Thus, the correct answer would be - 3 chromosomes.

6 0
3 years ago
20 points and brainliest! Explain how you got the answer!
Lady bird [3.3K]

Answer:

No of groups studied

As All other factors will effect the result ofvthe experiment.

But no matter how many groups you take to study they will show the same result

HOPE YOU GOT IT!

MARK ME AS BRAINIEST

6 0
3 years ago
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