A prairie:

Biology

2 answers:

Vladimir [108]2 years ago

7 0

B.
I hope this helps :)

Dmitrij [34]2 years ago

5 0

B is coverd with grass

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with reference to the role of oncogenes, explain how the normal controls over the cell cycle can be lost.

Katena32 [7]

#1) With reference to the role of oncogenes, explain how the normal controls over the cell cycle can be lost.

Answer: The way that cell cycle can be lost is by going through changes in the activity of cell cycle regulators. Cancer causes different types of mutations. There are two types of cell cycle regulators that can promote the development of cancer:

-Positive Regulators that can be over activated (become oncogenic).
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I hope it helps, Regards.

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Answer:

Niche

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Niche refers to adaptive features of an organism, its activity pattern and consumption of resources in the system.

Niche of an organism refers to its habitat, activity role and functional position within system. It includes the resources such as food that it obtains from the habitat for its survival.

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Is low population densities make the the spread of diease easier to transmit

Katyanochek1 [597]

Yes because you have a smaller population

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At the grocery store a cute, little curly-haired child is standing behind you in line. you turn around for a moment and she stic

ikadub [295]

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Two cells (A and B) from an embryo in the first trimester of development were examined. The image on the left below shows a Sout

GrogVix [38]

Explanation:

A. The differential induction of DNA transcription suggests the cells are destined to become different tissues.

Given the lack of RNA encoding, DNA transcription is not occurring. This may happen because the cells are destined to undergo different forms of differentiation- here, transcription would require the activation of different regions of the genetic code called transcripts.

Sequences of DNA make up genes which can have different forms called alleles. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins.

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. Chromosomes within the nucleus is unwound, unzipped and read by enzymes in a complex series of steps known as transcription. The message on DNA, called genes is copied by RNA polymerase to form mRNA complementary sequence to that of the DNA strand. These are then translated into proteins in ribosomes.