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gizmo_the_mogwai [7]
3 years ago
13

When sound us created, it travels to the ear through a Compression, Medium, Rarefaction, Surface

Biology
2 answers:
mash [69]3 years ago
8 0
The answer is (B. Medium) because it has to travel through the ear drum evenly without busting it. Hope this helped :)
Ganezh [65]3 years ago
8 0
 The answer is B. Medium
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The human infant spends about half of its sleep time in rem. What is the understanding of why this is the case?
Molodets [167]

This occurs because REM sleep may provide at least part of the stimulation necessary to correctly develope the immature brain of infants.

REM sleep provides the electrical activity necessary to establish neural connections that include the  development of synapses in the brain. These neurological process enables development of sensory, motor, learning and memory system.


4 0
3 years ago
Note the two transcribed and translated DNA strips below. The two strips are identical except for a point mutation, where the fi
jekas [21]

Full question attached

Answer/ Explanation:

The original DNA sequence has a point mutation changing a G to a T. The resulting mRNA produced is always complementary to the DNA from which it is synthesised, so the original mRNA sequence has a T, whereas the mutated mRNA has a U. The tRNA is complementary to the mRNA, so the original has a G, and the mutated has a T.

<h3>Original DNA</h3>

GTTGGCGAATGAACGGAGGCTGACGTCTAAGCCTAGAAAAATTGG

RNA

CAACCGCUUACUUGCCUCCGACUGCAGAUUCGGAUCUUUUUAACC

tRNA

GUUGGCGAAUGAACGGAGGCUGACGUCUAAGCCUAGAAAAAUUGG

<h3>_______________________________________________</h3><h3>Mutated DNA</h3>

GTTGGCGAATGAACTGAGGCTGACGTCTAAGCCTAGAAAAATTGG

RNA

CAACCGCUUACUUGUCUCCGACUGCAGAUUCGGAUCUUUUUAACC

tRNA

GUUGGCGAAUGAACTGAGGCUGACGUCUAAGCCUAGAAAAAUUGG

This is a point mutation called a substitution. This does not affect the entire sequence of the protein, because the mutation is "in frame" meaning the mRNA sequence is still read in the same way by the protein producing machinery. However, it does change the 5th codon from UGC to UGU. If we look up the genetic code, we can see that both of these codons code for cysteine, so there will be no change in the amino acid sequence of the protein

5 0
3 years ago
Which of the following is NOT a stage of the Cell Cycle (somatic cells)?
mestny [16]

Answer:

Meiosis

Explanation:

Only reproductive cells/gametes use meiosis.

7 0
3 years ago
The force for glomerular filtration is the select one:
salantis [7]

Answer;

Blood pressure in the glomerular capillaries.

Explanation;

-The glomerulus is a tuft of small blood vessels called capillaries located within Bowman's capsule within the kidney.

-The process by which glomerular filtration occurs is called renal ultrafiltration. The force of hydrostatic pressure in the glomerulus (the force of pressure exerted from the pressure of the blood vessel itself) is the driving force that pushes filtrate out of the capillaries and into the slits in the nephron.

7 0
3 years ago
Despite the differences in mature plant cells, all of them are derived from meristem cells. The three major types of tissue syst
zysi [14]

Answer:

A) notocord

Explanation:

5 0
3 years ago
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