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Otrada [13]
2 years ago
15

What happens when a proton is added to the nucleus of an atom

Biology
1 answer:
lisov135 [29]2 years ago
6 0
Protons carry a positive electrical charge and they alone determine the change of the nucleus and changes the atoms atomic number
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How does pinocytosis work
Scrat [10]

Answer:

Pinocytosis is the mechanism by which living cells consume liquid droplets. Endocytosis is the general mechanism by which cells ingest foreign substances and collect them in special membrane-bound vesicles within the cell. Pinocytosis is one form of endocytosis.

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3 years ago
"a man with genotype bb and a woman wth genotype BB have four children. how many of the children are likely to have blue eyes"
Sonja [21]

Answer:

No children will have blue eyes all of them carry brown eyes only.

Explanation:

The cross between a male with bb genotype and female with BB genotype will be as follows :

The gametes will be formed

male: b and b

female: B and B

By Punnett square:

        B          B

b       Bb        Bb

b       Bb        Bb

As all the offspring will have a heterozygous condition with dominant B (Brown) and recessive b( blue) so there are no offspring will be with the phenotype of the blue eyes.

4 0
3 years ago
Describe a semipermeable membrane.​
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Answer:

A semipermeable membrane is a barrier that will only allow some molecules to pass through while blocking the passage of other molecules. A semipermeable barrier essentially acts as a filter. Different types of semipermeable membranes can block out different sized molecules. A semipermeable membrane can be made out of biological or synthetic material.

Explanation:

8 0
3 years ago
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Is the fossil record complete for humans?
oksano4ka [1.4K]
Yes, I believe they are. If you are talking about us humans finding fossils then no. There are many fossils, bones and other interesting things still to be found
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