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Sergeu [11.5K]
3 years ago
13

Whta is fetilisation and what are the types of fertilisation

Biology
1 answer:
uysha [10]3 years ago
6 0
The action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote. The gametes that participate in fertilisation of plants are the sperm (male), and the egg cell, and in flowering plants a second fertilisation event involves another sperm cell and the central cell which is a second female gamete. In flowering plants there are two sperm from each pollen grain.
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How can a pure white mouse help determine the genotype of a black mouse? (Hint: We cannot see genotype but we can see difference
sattari [20]

Answer:

A white mouse is purely recessive, and will produce black offspring if the other mouse contributes a black gene.

Explanation:

If Bb then the offspring will be 50% Bb and 50% bb. This is called a test cross, where we use a recessive to determine the genotype of a dominant phenotype.

8 0
3 years ago
Which biomolecule do mitochondria break down in our body?
Novosadov [1.4K]

Answer:

acetyl CoA

Explanation:

Pyruvate and fatty acids enter the mitochondrion (bottom) and are broken down to acetyl CoA.

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3 years ago
Organisms that use energy to control their internal conditions are
SpyIntel [72]

Answer:

regulators

Explanation:

regulators use their metabolism to control their internal environment

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3 years ago
Which of the following is NOT a function of the hypothalamus? Which of the following is NOT a function of the hypothalamus? regu
lesya692 [45]

Answer: regulate the thalamus

Explanation:

The hypothalamus does not regulate the function of the thalamus, rather it is found below the thalamus where it helps control appetite or feeding; body temperature; the amount of water in the blood (known as osmo-regulation); and sleep rhythms.

Thus, the hypothalamus does not regulate the thalamus.

4 0
3 years ago
The nitrogenous base adenine can pair with, what?
svlad2 [7]
The nitrogenous base that pairs with Adenine is Thymine.
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