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ziro4ka [17]
3 years ago
8

Summarize the role of bacteria in keeping the nitrogen cycle balanced.

Biology
1 answer:
Anna11 [10]3 years ago
7 0

Answer:

dear user

the answer is given above

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What specific spinal nerve branch controls the movement of rectus abdominis
CaHeK987 [17]

Answer:

The correct answer will be-ventral ramus

Explanation:

Rectus abdominis is a skeletal muscle found in the front part of the body which begins from the sternum and ends at the pubic zone.

Rectus abdominis is also known as "Abs" which viewed externally appears to be six, eight or ten in number.

These muscles are innervated by the thoracoabdominal nerves which carry and transmit signals to CNS and to the muscles back. The main spinal nerve which controls the movement of Abs is known as the "ventral ramus".

Thus, ventral ramus is the correct answer.

7 0
3 years ago
What similarities, if any, do you see between grosz and dos passos in their portray of the human animal? are they generally posi
DiKsa [7]
Both Grosz and Dos Passos were looking to animals for their understanding of humans.
Elizabeth Grosz is famous for her theory "Art and the animal" where she explains that <span> we humans take our cue from the animal world.
The American novelist Dos Passos, also believes </span>that the natural world and human civilization are essentially disparate. Their portrayals are generally positive.

4 0
3 years ago
Two short-haired guinea pigs are mated several times. Out of 100 offspring, 25 of them have long hair. What are the probable gen
Alekssandra [29.7K]

Answer:

Ss (male) × Ss (female)

Explanation:

This question involves a single gene coding for hair length in guinea pigs. Based on the information in this question, the allele for short hair (S) is dominant over the allele for long hair (s). This means that a guinea pig will only be phenotypically long-haired if the genotype is "ss".

According to this question, Two short-haired guinea pigs are mated several times. Out of the 100 offsprings produced by this cross, 25 of them have long hair (recessive). This means that the phenotypic ratio of this cross is 3 short hair : 1 long hair i.e. 100 - 25 = 75 short hair. 75/25 = 3/1 = 3:1

To produce this phenotypic ratio, the parents must both be heterozygous (Ss) for the hair length gene.

3 0
3 years ago
What is the name for the measure of a drug's relative safety for use, computed by the ratio of the lethal dose for 50 percent of
ira [324]
It is called THERAPEUTIC INDEX. Therapeutic index is the comparison of the amount of a particular drug that causes the desired therapeutic effects and the amount that causes toxicity. The index can be low or high. A drug with a low therapeutic index will require only a small increase in dose to produce toxic effects in users. 
5 0
3 years ago
A student is instructed to record the odor of a substance after heating it in a test tube. Which is the
Grace [21]

Answer:

A Wave the fumes from the test tube toward the nose with a hand and inhale

Explanation:

4 0
2 years ago
Read 2 more answers
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