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trapecia [35]
2 years ago
14

Nucleic acids - dna or rna. chemically, they are similar. structurally, there are differences. which formula represents dna?

Biology
1 answer:
dimulka [17.4K]2 years ago
7 0
What are the answer choices ?
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Son protozoarios que se mueven mediante seudopodos...​
Aleksandr-060686 [28]

.

Locomoción. Los seudópodos constituyen uno de los tres modos de la locomoción de los organismos unicelulares (junto con flagelos y cilios). Muchas amebas se mueven generando un gran seudópodo en la parte delantera de la célula, a la vez que el citoplasma se retrae por la parte posterior.

7 0
3 years ago
Energy to drive the formation of atp in photosynthesis is derived from:.
enot [183]

Answer:

They require light, and their net effect is to convert water molecules into oxygen, while producing ATP molecules—from ADP and Pi—and NADPH molecules—via reduction of NADP+. ATP and NADPH are produced on the stroma side of the thylakoid membrane, where they can be used by the Calvin cycle.

Explanation:please give brainliest

4 0
2 years ago
In the 1950s, Christian Anfinsen demonstrated the renaturation of the protein ribonuclease (RNase) in vitro. After reduction and
Amanda [17]

Answer:

The Correct Answer is "C".

Explanation:

Because poor holding communication appropriately place the - SH deposits to frame disulfide spans while expelling the diminishing operator (permitting oxidation) while evacuating the urea. prior to the evacuation of urea, oxidation happens so the cysteine buildups may not be found accurately and the disulfide spans that structure in an inappropriate spots bringing about inert protein

3 0
3 years ago
When the polymerase chain reaction (PCR) is used to amplify segments of DNA, the sample is first heated, and then cooled, in cyc
baherus [9]

Answer:

At least 17 PCR cycles or 16 PCR cycles

Explanation:

As we know -

In one chain of  heating and cooling  of polymerase chain reaction (PCR), the strands of DNA gets doubled.

The general mathematical representation of this is

{2^n - (2 *  n)}

where "n" is the number of PCR cycles.

It is given that DNA strands  to be produced is 16 times the original quantity of DNA.

So the PCR cycle must be carried out at least 17 times in order to have DNA strand not less  than 16 times the original quantity of DNA

8 0
2 years ago
Which of the following is not a step in the process of natural selection
Paraphin [41]

Answer:

A step that is not part of natural selection is people select which individuals breed and which ones do not.

Explanation:

Natural selection is a process in which favorable or unfavorable environmental conditions determine the evolution of species, producing differences in their genotype over a long period of time.

As its name indicates, it is a natural selection, in which no intervention by people is contemplated, so that <u>people cannot determine which individuals breed</u>.

Natural selection implies that the characteristics on which the environment influences are inheritable, that there is genetic variability in the population and that the variability of these characteristics implies the ease of reproduction and survival capacity.

<em>The other options do form part of natural selection, since they are based on the three premises of this process: </em>

  • <em>Inheritable characteristics. </em>
  • <em>Genetic variability. </em>
  • <em>The variability of characteristics influences reproduction and survival.</em>
4 0
3 years ago
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