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GenaCL600 [577]
3 years ago
11

Which of the following is a cluster of cells that surround a developing egg in the ovary

Biology
1 answer:
Sidana [21]3 years ago
6 0
The answer will be follicle
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Most organisms break down sugar to produce usable energy through the process of
Margaret [11]
The answer is D - cellular respiration <span />
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3 years ago
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An organism's genome is analyzed and found to contain 18% guanine. What percentage of that organism's DNA is adenine?
Oxana [17]

Answer:

32%

Explanation:

According to Chargaff in his complementary base pairing rule, he stated that the proportion of purine and pyrimidine bases is equal to 100%

That is, A + T + G + C = 100%

Where A=T and G=C i.e the proportion of each base pair is equal.

Hence, if the Guanine content is 18%, it means the Cytosine content of that DNA molecule must also be 18%. Therefore:

18 + 18 + A + T = 100

A + T = 100 - 36

A + T = 64

If the sum proportion of Adenine and Thymine is 64% and each must contain equal proportions, A or T = 64/2 = 32

Hence, Adenine contains 32%, likewise Thymine.

6 0
3 years ago
Which structure provides a protective outer covering for bones and assists with fracture repair?
Leni [432]
Periosteum is the thin yet tough outermost layer of bones. Its many collagen fibers support the bone and firmly connect it to the surrounding structures. Osteogenic cells in the periosteum play a vital role in the growth and repair of bony tissue.
8 0
2 years ago
The process of dna replication occurs just before
djverab [1.8K]

the process of DNA replication occurs just before the cell division i.e. mitosis. DNA synthesis happens in S-phase i.e. synthesis phase of interphase where cell division preparation happens.

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5 0
2 years ago
As Virginia becomes more more populated construction of new homes has destroyed much of a force this has cause rivers and stream
AleksandrR [38]

Answer:

The correct answer is - water pollution.

Explanation:

In the US, water pollution is one of the most serious ecological problems, and sedimentation by filled with dirt, slit caused by development sites or construction sites. It is caused in the name of developing cities and states for new homes and other construction that is nothing but careless development that is causing water pollution in these areas including the Virginia.

The excessive silt has covered the spawning beds of fish causes spawning of the habitat. The dirt and slit and sediments cause inhibiting light to aquatic plants that result in less oxygen and food for aqautic life.

4 0
3 years ago
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