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Vlad [161]
4 years ago
9

Explain why DNA replication is called semi conservation

Biology
1 answer:
Alex777 [14]4 years ago
8 0
DNA replication is called semi-conservation because each helix that is created contains one strand from the helix from which it was copied. The replication of one helix results in two daughter helices each of which contains one of the original parental helical strands.
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A) based on the signaling model shown in figure 1, describe the role of molecule B
irina1246 [14]

Answer: There are two kinds of communication in the world of living cells. Communication between cells is called intercellular signaling, and communication within a cell is called intracellular signaling. An easy way to remember the distinction is by understanding the Latin origin of the prefixes: inter– means “between” (for example, intersecting lines are those that cross each other) and intra– means “inside” (like intravenous). Chemical sign

Explanation:

7 0
3 years ago
A cylindrical tin full of engine oil has a diameter of 12cm and a height of 14cm.The oil is poured into a rectangular tin 16cm l
galben [10]

Answer:

Depth = 9 cm

Explanation:

First, calculate the volume of the cylindrical tin.

Mathematically, that would be the following:

V = \pi * r^{2} * h

Now, r = d/2 = 12/2 = 6 cm

h = 9 cm

Therefore, the volume will be:

V = 22/7 * 14 * 6^2 =1,584 cm^3

Now, to find the the depth of the tin, we have to realize that the content of the cylinder should fill in the tin to a particular height.

As we don't have the height of the tin so let's suppose it x, now it means that

l * b * h = 16 * 11 * x = 176x

Therefore, the depth would be:

176x = 1584

x = 1584 / 176 = <u>9 cm</u>

7 0
3 years ago
What is the use of an animal cell​
777dan777 [17]

Answer:

it mostly controls all activites

Explanation:

the cell is main structural and functional unit of life in an animal body so without an animal cell the body won't function at all

4 0
3 years ago
Read 2 more answers
Sort the descriptions of open clusters and globular clusters into open clusters or globular clusters
Anestetic [448]

Answer:

open clusters are  A.no more than a few thousand stars, B.disorganized, F loose

globular clusters are C.tightly packed, D.more than a million stars, E.made of older stars

Explanation:

Globular clusters are old clusters of stars that have remained in a gravitationally bound system. These clusters are usually roughly spherical and can contain anywhere from a few thousand to a million stars. Globular clusters are found in our galaxy’s spherical halo, so they are distributed above, below, and level with the plane of our flat, disk-shaped Milky Way.

Open clusters are much younger and smaller than globular clusters. They are the recent birthplaces of new stars, which form out of clouds of dust and gas, and contain only hundreds or thousands of stars. Though the stars in an open cluster formed together out of the same material, they do not remain gravitationally bound over time and spread out, scattering their stars far and wide. Because they are not gravitationally bound, these clusters can have random and irregular shapes. They are located in the plane of our galaxy, along the spiral arms where the gas and dust in the Milky Way

8 0
3 years ago
What happens to soil nutrients inside of a pine
Yakvenalex [24]
It may or may not turn acidic depending on the area or time of the year it is.
8 0
4 years ago
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