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Alekssandra [29.7K]
3 years ago
5

A microscope reveals one hundred similar cells arranged end to end in a space of 1 milimeter

Biology
1 answer:
kolbaska11 [484]3 years ago
7 0
You answered a question, did you mean to answer someone else's question? :o
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How can you test the idea that solar energy is required for the reduction of NADP+ to NADPH?
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Answer:

In addition to biology, evidence drawn from many different disciplines, including chemistry, geology, and mathematics, supports models of the origin of life on Earth. In order to determine when the first forms of life likely formed, the rate of radioactive decay can be used to determine the age of the oldest rocks (see optional problems C and D, below) exposed on Earth’s surface. These are found to be approximately 3.5 billion years old. The age of rocks can be correlated to fossils of the earliest forms of life. A. The graph compares times of divergence from the last common ancestor based on the fossil record with a "molecular time" constructed by comparing sequences of conserved proteins to determine a mutation rate (after Hedges and Kumar, Trends in Genetics, 2003). Explain how such a molecular clock could be refined to infer time or the evolution of prokaryotes. B. Using a molecular clock constructed from 32 conserved proteins, Hedges and colleagues (Battistuzzi et al., BMC Evol. Biol. 2004) estimated the times during which key biological processes evolved. A diagram based on their work is shown. Connect the time of the origin of life inferred from this diagram with the age of the oldest fossil stromatolites and the age of the oldest exposed rock to show how evidence from different scientific disciplines provides support for the concept of evolution. Evaluate the legitimacy of claims drawn from these different disciplines (biology, geology, and mathematics) regarding the origin of life on Earth. The oldest known rocks are exposed at three locations: Greenland, Australia, and Swaziland. The following application of mathematical methods provides essential evidence of the minimum age of Earth.

Explanation:

6 0
2 years ago
The French of Québec called themselves ____________ in an effort to define themselves by their culture, rather than by the Briti
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I believe the term is D. <span>Québécois</span>
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3 years ago
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Co2 in the atmosphere is absorbed by ________ and converted into biomass. the ozone layer photosynthetic organisms large land ma
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A researcher is using a modified version of FRAP. She has devised a technique that allows her to label all the peripheral membra
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Answer:

The correct answer is option B.

Explanation:

FRAP or Fluorescence Recovery After Photobleaching refers to a method of finding the kinetics of diffusion in living cells, generally with the assistance of fluorescence microscopy. The method comprises the labeling of a particular cell constituent with a fluorescent molecule, imaging that cell, photobleach a small section of the cell, then image the recovery of fluorescence with time.  

In the given question, as the fluorescence has recovered back to the bleached region. The scientist can come to the conclusion that the membrane of the cell and the peripheral membrane proteins do not always belong together.  

3 0
3 years ago
Can someone help me i got very confused
strojnjashka [21]

Answer:

D. student 4

Explanation:

I personally find this question slightly bewildering. It does definitely make you think. I decided your best answer choice would be D, because a dog wouldn't always be there, or the weeds.

8 0
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