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lesya [120]
2 years ago
11

What is the difference between sister chromatids and homologous chromosomes?

Biology
1 answer:
11111nata11111 [884]2 years ago
3 0

Answer:

A sister chromatid refers to the identical copies (chromatids) formed by DNA replication of a chromosome, with both copies joined by a common centromere.

Explanation:

Homologous chromosomes may or may not be the same as each other because they are derived from different parents.

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The release of an inorganic phosphate from the myosin molecule directly results in ________
zhuklara [117]

Answer:

power stroke

Explanation:

  • The process of muscle contraction requires several steps.
  • The most famous theory on how the contraction and relaxation of muscles take place is the sliding filament theory.
  • However, this theory has been refined and one important addition to it is the mechanism by which myosin can pull actin and cause shortening of the sarcomere.
  • For the movement of myosin, it binds and releases actin and forms cross bridges.
  • Myosin is subdivided into two regions - S1 and S2. The contraction of the S1 region is what constitutes the power stroke.
  • An important requirement of the power stroke is the hydrolysis of ATP to release an inorganic phosphate which provides energy for the process.
3 0
3 years ago
Why would you probably not see a volcano on the east coast of the United States?
DerKrebs [107]

D. There are no major fault lines or hot spots close by.

Why?

Because "They don’t occur anywhere else other than along the Ring of Fire" is incorrect, the Ring of Fire is just a place where many volcanoes are.

Because "The composition of the rock in that area is not conductive to eruptions." they type of rock doesn't play that much of a role in the formation of volcanoes

Because "The magma doesn’t have enough silica or gas to form an explosive eruption." It isn't a gass that is found, it is the build up of pressure from fultlines moving and things on the inside of the earth.

Please Mark Branilest!

3 0
3 years ago
Read 2 more answers
1. How soon will insect activity begin for a body left in the open?
jeka94

Answer:

2-3 hours

Explanation:

Insect activity will begin immediately if a body is left in the open. That is why insect activity can help investigations with determining certain things such as time of death, where the person died and the like. 3. A light meal will digest in about 1-2 hours.

4 0
3 years ago
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6. Before transferring sperm to the female during mating, the males of some species of beetles use their copulatory organs to re
scZoUnD [109]

Answer: Mechanical Isolation

Explanation:

Mechanical isolation is a type of barrier that prevents the species that are closely related from mating with each other.

It is used in case of plants and animals(here beetles) in which the without compatible sex organs individual of different species will not be able to mate and produce offspring.

Thus, the correct answer is option C

6 0
3 years ago
.
Effectus [21]

Answer:

location, internal

5 0
3 years ago
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