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Ganezh [65]
3 years ago
9

On a strand of DNA, the nucleotides are held together by what?

Biology
1 answer:
Dmitriy789 [7]3 years ago
5 0

Answer:

Hyrdrogen bonds!

Explanation:

Trust me! Try it. You'll see.

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While doing research on deep-sea vents, you discover a very simple new life form. After some initial analysis, you find that thi
bagirrra123 [75]

Answer:

The one treated with DNase and protease

Explanation:

<em>The samples that will transform yellow into purple if RNA is the genetic material are the ones treated with </em><em>DNase </em><em>and </em><em>protease</em><em> respectively.</em>

<u>The treatment of the heat-killed sample of the purple life with DNase will ensure that the DNA in the sample becomes degraded while treatment with protease will ensure that protein is degraded, leaving only the RNA. Thus, the RNA can be taken up by the yellow life form and become transformed into purple if indeed RNA is the genetic material.</u>

The sample treated with RNase cannot transform the yellow life into purple because the RNase catalyzes the degradation of RNA into smaller components.

3 0
3 years ago
A biologist came across a fungus on a beach. Upon further study, he found out that the fungus could feed on dead matter. It can
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Saprophytic and parasitic groups.
3 0
3 years ago
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Name one feature that the transition of RNA to DNA and proteins, and the transition of prokaryotic to eukaryotic unicellular org
Norma-Jean [14]

Answer:

It is only nucleotide phosphates e.g. adenosine triphosphate (ATP) that stores energy for all cell's use. It is also a molecule that is similar to one of the nucleic acids in DNA and RNA.

5 0
3 years ago
The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called _____ cells
LuckyWell [14K]

The pluripotent, undifferentiated cells in the bone marrow that give rise to the formed elements are called stem cells.

Pluripotent stem cells have the ability to undergo self-renewal and to give rise to all cells of the tissues of the body. However, this definition has been recently complicated by the existence of distinct cellular states that display these features.

There are two types of pluripotent stem cells :

  • Embryonic stem cells (ESCs)
  • Induced pluripotent stem cells

Embryonic stem cells are derived from the inner cell mass (ICM) of pre-implantation embryos and can be indefinitely maintained and expanded in the pluripotent state in vitro. Pluripotent stem cells can also be obtained by inducing dedifferentiation of adult somatic cells through a recently developed in vitro technology, known as cell reprogramming.

Similarly to  Embryonic stem cells , Induced pluripotent stem cells can be expanded indefinitely and they are capable to differentiate in all the derivatives of the three germ layers.

Another intriguing features of being pluripotent is its reliance on gene expression heterogeneity.

Learn more about Pluripotent here : brainly.com/question/18243320

#SPJ4

4 0
1 year ago
Summarize the four steps to natural selection
Anna11 [10]

Overproduction - An organism gives birth to too many children

Genetic Variation - The offspring each have genetic differences in appearance, behavior, etc

Struggle to Survive - Offspring must fight in order to gain essential resources (food, water, mates, etc)

Successful Reproduction - Organism produces offspring with beneficial adaptations that aid in survival

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3 years ago
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