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2 years ago

Which of the following best characterizes injuries to the patagium? Injuries are–

Biology

1 answer:

saveliy_v [14]2 years ago

4 0

The answer is C, not likely to heal and bats usually die from them

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Meselson and Stahl used density labeling of DNA to show that DNA replication occurs via a semiconservative mechanism. In their e

cricket20 [7]

Answer:

The organism previously used 15N for replication so all the DNA molecules were of 15N15N type. Then the organism is shifted to a medium where only 14N is available for replication.
According to semi conservative mode of replication, a newly synthesised DNA molecule consists of one new strand and one parental strand. So after the first round of replication, All the 15N strands will synthesise new DNA strands using 14N resulting into intermediate 15N14N DNA molecules. Hence, only one band would be observed (15N14N) above the original 15N15N band since 15N14N has lighter isotope too so it will be lighter than 15N15N molecules and will lie above it.
After second round of replication, 15N strand from 15N14N would synthesise another 14N strand. 14N strand from 15N14N molecules will also synthesise another 14N strand. So now, 50% of the DNA molecules will be of 15N14N intermediate type and 50% of them will be of 14N14N type.Two bands will be observed above the original 15N15N band. One band of 15N14N molecules will be right above it and other band of 14N14N molecules will be even higher because it is the lightest band since it has only the lighter isotope of nitrogen.

8 0

3 years ago

Describe what happens at the cellular level as a baby grows and develops

Pavlova-9 [17]

As the baby grows and develops the cellular level rises. They grow in Length and in width!

Good Luck! :)

3 0

3 years ago

Plasmodial slime molds move by A. whipping their flagella. B. streaming along as a mass of cytoplasm. C. infecting a host organi

kow [346]

Answer: streaming along as a mass of cytoplasm.

Explanation:

Plasmodial slime molds are single cells that are fuse together by 1000 nuclei that are formed by the fusion of several flagellate cells. They form fruiting bodies when there is stimulus. The fruiting bodies help to disperse individual cells when there is favorable condition. They move by ooze to obtain good.

6 0

2 years ago

A fertilizer producer finds that it can sell its product at a price of dollars per unit when it produces units of fertilizer. Th

Vilka [71]

Answer:

700

Explanation:

If from the question the price per unit of fertilizer, p(x) = 300 - 0.1x

The cost of x units of fertilizer = C(x) = 15000 + 125x + 0.025x^2

And we know that Profit = Revenue - Cost

Revenue for x units of fertilizer R(X) = x*p(x)

= 300x - 0.1x^2

Hence Profit: P(x) = R(x) - C(x)

= [300x - 0.1x^2] - [15000 + 125x + 0.025x^2]

= -0.125x^2 + 175x - 15000

To determine critical values

P'(x) = -0.25x + 175 = 0

Thus x = 175/0.25

x = 700

To maximize profit, the manufactures must produce 700 units of fertilizers

5 0

3 years ago

list two foods that are high in carbohydrate, two that are high in fat, and two that are high in protein

Pavlova-9 [17]

Oatmeal and yams for carbohydrate. Two in high fat whole eggs and avocados. High in protein is seafood and beans.

4 0

3 years ago