All categories

3 years ago

During which phase of mitosis does the nuclear envelope beak up?

Biology

1 answer:

larisa [96]3 years ago

8 0

In prophase of mitosis the nuclear envelope breaks up

You might be interested in

Does endoplasmic reticulum play a part in cell division

stich3 [128]

ER membranes flow to Golgi through ERGICs and get fragmented into small vesicles. When the cell divides, those vesicles within the daughter cells reassemble Golgi and ER to resume membrane traffic

7 0

2 years ago

Match the definitions

Triss [41]

Answer:

Follow PMAT in cycle of Interphase

Explanation:

1: Interphase

2: Prophase

3: Metaphase

4: Anaphase

5: Telophase

7 0

3 years ago

Why do many food chains only contain 3-4 links?

den301095 [7]

That's how the food chain works. There isn't much to it.

4 0

3 years ago

Read 2 more answers

4. A bacterium is discovered with new mutated form of isocitrate dehydrogenase that catalyzes the same reaction but produces hyd

Ksju [112]

Isocitrate + NAD+ -> a-ketoglutarate + CO2 + H2

The amount of ATP produced from one molecule of glucose will decrease because NADH is no longer produced in the isocitrate dehydrogenase reaction. Without generation of this high energy electron carrier there will be less electrons from one molecule of glucose that are transferred to and through the electron transport chain. So there will be less protons (H+ ions) pumped into the intermembrane space. So there will be less of a H+ ion gradient across the inner mitochondrial membrane to drive the synthesis of ATP by ATP synthase.

3 0

2 years ago

A man who has type B blood has children with a woman who has type A blood. A. If they are both heterozygous for this trait, pred

Ivenika [448]

Answer:

The possible blood types of their children are: type AB (iAiB), type A (iAi), type B (iBi), type O (ii)

Explanation:

Blood type in humans is controlled by a gene with multiple alleles. Alleles iA and iB are dominant over allele i but co-dominant. The following blood types are encoded by the following alleles:

Blood type AB - iAiB

Blood type A - iAiA or iAi

Blood type B - iBiB or iBi

Blood type O - ii

According to this question, a man who has type B blood has children with a woman who has type A blood. They are both heterozygous, meaning that the man's genotype is "iBi" while the woman's genotype is "iAi". Both parents will produce gametes as follows:

iBi = iB and i

iAi = iA and I

Using these gametes in a punnet square (see attached image), the following possible blood types are produced in the offsprings:

- type AB (iAiB)

- type A (iAi)

- type B (iBi)

- type O (ii)

6 0

2 years ago