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hoa [83]
3 years ago
12

Migration is _______.

Biology
2 answers:
svlad2 [7]3 years ago
6 0

Answer:

Seasonal movement of animals.

Explanation:

atroni [7]3 years ago
5 0
The seasonal movement of animals from one place to another (usually occurs in species with ability to flight and in large amount
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In Gregor Mendel's study with the color or peas, which ones were dominant and which ones were recessive?
zhenek [66]

Answer:

The peas with the purple flowers were dominant and the peas with the white flowers were recessive.  

Explanation:

In Gregor Mendel's study, he studied pea plants with purple flowers and white flowers.  The purple flowers were dominant, and whenever the allele for a purple flower was present is was visible on the plant.  The white flowers were recessive because if an allele for a purple flower was present, then the flower was purple.  The flowers were only white if both alleles were for white flowers.  

5 0
3 years ago
Identify which region of histone molecules are exposed and hence may easily be modified and state the names of the key chemical
NeX [460]

Answer: acetyl group, methyl group, or phosphate group

Explanation  Basically different modification can occur to  the tail regions of histone .This includes addition of the groups listed above

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3 years ago
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What does it mean if there are few differences in the amino acid sequence
seraphim [82]

The sequence of amino acids in a protein is determined by DNA. In a protein that is present in all species, the amino acid sequence will be different. Once a protein has been chosen, the amino acid sequence of that protein in different species are compared. More similarities, or fewer differences, indicate that two species are closely related. (sorry if im wrong!)

6 0
3 years ago
Which of these is a female animal reproductive part that produces the eggs to be fertilized by the male sperm?
spin [16.1K]
An ovary is the reproductive part of the uterus that produces the egg (ovum) to be fertilized by the sperm
8 0
2 years ago
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The interaction between which protein and ion initiates muscle coupling?
labwork [276]

Answer:

Troponin and calcium ions.

Explanation:

Troponin is a component of thin filament along with tropomyosin and actin. It is a protein complex to which calcium binds and start the production of muscular force.

Calcium also playing a very important role in muscle contractions, it binds with troponin and helping to move tropomyosin.

When calcium ion attached to troponin, then conformational changes occurs in troponin shape and moves which allow tropomyosin going away from its inhibitory position from the myosin-binding sites on actin. After this, the energized myosin head starts binding to the actin molecules and starts the cross bridge cycle, which helping in shortening the muscle's fiber.

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