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grigory [225]
3 years ago
5

Why are adult stem cells important?

Biology
1 answer:
grin007 [14]3 years ago
7 0
Adult stem cells<span> are undifferentiated </span>cells<span> found throughout the body that divide to replenish dying </span>cells<span> and regenerate damaged tissues</span>
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What does erosion do?
Nady [450]

the answer to this problem is c

5 0
3 years ago
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Use your codon chart and tell me what amino acids are coded for by the mRNA sequence AUG CGG UCC GGA
VMariaS [17]

Answer:

Methionine, arginine, serine, glycine  

Explanation:

Use a codon chart (attached below) to determine what amino acids are coded for by the strand of mRNA. Remember that codons are groups of three nucleotides in mRNA. So, read the nucleotides in groups of three (just as how they are separated by spaces) and from left to right.  

To use this codon chart, identify the first letter representing the first nucleotide in the codon. Then, find the matching letter that's one of the four biggest letters in the middle of the chart. Identify the second letter, then find the matching medium letter in the chart, staying within the section of the first letter as indicated by the lines, and do the same process with the third. Repeat for each codon.

Thus, with this mRNA strand, the amino acids will be methionine, arginine, serine, glycine.

4 0
3 years ago
Approximately how far, in cm, does the blood move during one beat? Express your answer to two significant figures and include th
Marysya12 [62]

Answer:

7.5cm

Explanation:

Velocity vs Time Graph:

When the object is going along the plane with velocity v at a particular time interval t we can explain it's motion via the velocity vs time graph. If the velocity of the object is constant then velocity vs time graph will produce a horizontal straight line. If the amount of differentiation of velocity of the object is positive and constant then the graph shows the linear line whose slope is is the same as the ratio of the change in velocity to the time interval.

Velocity vs time graph:

Is shown in the attached image

A velocity-time graph helps us to estimate the distance traveled by using the area under the graph.

Height of the triangle is the velocity (v) = 0.75m/s

The base of the triangle is the time interval (t) = 0.2sec

Distance travelled = Area of triangle

Distance travelled

= 1/2(V) * t

= 1/2(0.75m/s) * 0.2s

= 0.0075m

=7.5cm

Thus, during one beat blood flows  7.5 cm

3 0
4 years ago
Which refers to a macromolecule that forms as a result of the joining of multiple monomers?
DedPeter [7]

Answer:

Polymer

Explanation:

The correct option is D

My teacher helped me with this same question.

7 0
4 years ago
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How would temperature changes in the atmosphere, enough to melt Antarctic ice, affect the hydrosphere, lithosphere, and biospher
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Answer:

Greenhouse gases play an important role in controlling the overall temperature of the earth. The slight increase in the composition (in ppm / ppb) of these atmospheric greenhouse gases such as CO2, water vapor, methane, CFC, etc. can lead to a subsequent increase in the average global temperature, which may be sufficient. Enough to melt the ice in Antarctica.

Thus, as the sea level rises, the temperature rises.

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