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Tems11 [23]
3 years ago
11

What must occur during fertilization in humans in order to produce a male child?

Biology
1 answer:
Vinvika [58]3 years ago
7 0

Zygote must receive Y chromosomes

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Mariana [72]
There is 1000 mililiters in a liter


3 0
3 years ago
Read 2 more answers
Drag the numbers to put the following steps in the correct order.
deff fn [24]

Answer:

- In glycolysis, glucose is split into two pyruvate and makes some ATP

- The Krebs cycle produces ATP, NADH and CO2

- NADH gives electrons to the ETC

- As electrons move down the ETC, a H+ gradient is made

- H+ pass through the ATP synthase to make ATP

Explanation:

This question is describing the processes involved in cellular respiration. Cellular respiration is the way through which living cells synthesize energy (ATP) by breaking down sugar. Cellular respiration involves three major steps: glycolysis, Krebs cycle, and oxidative phosphorylation (electron transport chain).

- Glycolysis is the process whereby glucose is broken down into pyruvic acid or pyruvate with the synthesis of net 2 ATP molecules.

- Kreb's cycle produces ATP, NADH and CO2.

- NADH is an electron carrier that donates electrons to the Electron transport chain (ETC).

- Electrons move down the ETC to produce a proton (H+) gradient

- The proton (H+) passes through an enzyme called ATP synthase to make ATP from ADP molecule.

4 0
3 years ago
The largest of the cranial nerves is what
Genrish500 [490]

It is the trigeminal. check my spelling though.

4 0
3 years ago
Which of the following statements about action potentials is correct?A) Action potentials for a given neuron vary in magnitude.B
MAXImum [283]

Answer:

Option-C

Explanation:

Action potential refers to the generation of electrical activity due to the influx and efflux of ions in the cell.

The cell which transmits the action potential is known as the neuron and the neuron maintains the membrane potential at -70 mv. The influx of sodium ions causes depolarization when it crosses the threshold value.  

The generated action potential now travels in the neuron through its long tubular structure called an axon.  The axon transmits the signal from the cell body towards the axon terminal and thus is known as the down the axon.

Thus, Option-C is the correct answer.

3 0
3 years ago
The biological classification of organisms is called taxonomy. Based on your own investigation, discuss the importance of taxono
Elza [17]

Well, it helps us categorize organisms so we can more easily communicate biological information. Taxonomy uses hierarchical classification as a way to help scientists understand and organize the diversity of life on our planet.

3 0
3 years ago
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