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Oksanka [162]
3 years ago
5

PLEASE ANSWER ASAP!! WILL GIVE 15 POINTS!! How do genes get “turned on” and “turned off”?

Biology
2 answers:
yKpoI14uk [10]3 years ago
8 0

Answer:with an activator protein

Or when certain receptors are turned on

Explanation:

hammer [34]3 years ago
6 0

Answer:

Explanation:

A gene can be turned on or off by environmental factors or from other cells that activate proteins known as transcription factors.

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Zigmanuir [339]

Ans. (B). Mutated gametes (sex cells) fuse to create offspring.

Genetic mutations or germline mutations can be defined as permanent change in the DNA sequence of germ cells (cells, which form ovum and sperm). These mutations can pass from one generation to other, when a mutated sperm or mutated oocyte (gametes) get fertilized with other oocyte or sperm.

A germline mutation, present in a single-celled zygote will present in all cells of a muticellular organism, as single-celled zygote divides and produce all of the cells in that organism.  

Thus, the correct answer is option (B).

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The correct statement is liver cells possess transcriptional activators that are different from those of lens cells.

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Transcriptional activators are factors that enable the expression of certain genes in particular cell types.

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How does latitude affect climate
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<span>Climate Changes with Latitude. Places located at high latitudes (far from the equator) receive less sunlight than places at low latitudes (close to the equator). The amount of sunlight and the amount of precipitation affects the types of plants and animals that can live in a place</span>
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