Meiosis and Genetic Variation. ... When cells divide during meiosis, homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other. This is called independent assortment. It results in gametes that have unique combinations of chromosomes.

Explanation:

3 0

3 years ago

Pure Aluminum foil distilled water Na Cl (table salt) Gold Bar (pure Au) All of these may be classified as A) elements. B) compo

d1i1m1o1n [39]

D) organic compound is correct

7 0

4 years ago

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A researcher synthesizes a new molecule called inhibitor X that inhibits the activity of phosphofructokinase (PFK), the enzyme t

Oduvanchick [21]

Answer : The dissociation constant of the PFK‑inhibitor complex is, 5 µM

Explanation :

The expression for reversible competitive inhibition when apparent Km affected by addition of the inhibitor is:

$K_m_a=K_m[1+\frac{I}{K_i}]$

where,

$K_m_a$ = apparent value = 52 µM

$K_m$ = Michaelis–Menten constant = 40 µM

I = inhibitor concentration = 1.5 µM

$K_i$ = dissociation constant of the PFK‑inhibitor complex

Now put all the given values in the above formula, we get:

$52\mu M=40\mu M[1+\frac{1.5\mu M}{K_i}]$

$K_i=5\mu M$

Therefore, the dissociation constant of the PFK‑inhibitor complex is, 5 µM

7 0

4 years ago

What is the structure of hemoglobin and how is oxygen bound to it?

Rasek [7]

Hemoglobin has tetrahedral structure containing four heme groups that surround a globin group.

Heme is ringlike organic compound also known as a porphyrin to which an iron atom is attached. There are four iron atoms that bind four oxygen atoms and transport them to tissues.

8 0

4 years ago