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german
3 years ago
11

A DNA sequence that is responsible for the initiation of transcription in a cell-type specific manner is:_____.

Biology
1 answer:
EleoNora [17]3 years ago
6 0

Answer:

Promoter.

Explanation:

It is promoter because Promoter is a DNA sequence where's the gene transcription begins. It is the

DNA sequence which RNA polymerase binds or join to

so as to begin transcriptionn of a gene . It is a region where the regulatory elements i.e protein will bind to and the Promoter sequences are found directly upstream or at the end of 5' of the transcription initiation site. This can also encode RNA such as mRNA, trans and so on.

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in humans glucose is kept in balance in the bloodstream by insulin which concept does this best illustrate
Bas_tet [7]

Answer:

Homeostasis

Explanation:

Homeostasis is the maintenance of a steady-state/condition in the body to ensure the optimal workings of the cells. Blood sugar level is one of the variables in the body that also has to be maintained through  positive and negative feedback loops to maintain the desired level. Insulin is the hormone used for negative feedback (to reduce the blood sugar level when it goes higher than the normal level) and Glucagon is the hormone for positive feedback (to raise the blood sugar level when it goes below the normal levels).

7 0
3 years ago
A _______ relationship exists between an employee and a supervisor.
Vesnalui [34]

Answer;

-Vertical relationship

Explanation;

-Vertical relationships are up down relationships between superiors and inferiors, the only way this relationship is valid is if it is educational and the person on top has more wisdom and knowledge than the person on the bottom.

-Vertical relationships use feminine communication rituals where the subordinate must be pleasant and must not communicate negative emotional data to the superior.

-Horizontal relationships on the other hand, are democratic educational relationships between people that are relatively equal in knowledge, wisdom, or technique.

7 0
3 years ago
Read 2 more answers
Which noncoding rna coats the inactive x-chromosome in regions of heterochromatin?
wolverine [178]
The answer is the Xist RNA,  x-inactive specific transcript is a gene on the X chromosomes of the placental mammals that acts as a major effector of the X inactivation process. Non coding RNA is a functional RNA molecule that is transcribed from DNA but not translated into proteins. 
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3 years ago
Which of the following organisms convert energy from the sun into chemical energy?
Natalka [10]

Answer:

This would include any plant/moss/tree/any autotroph.

Explanation:

Autotrophs are capable of making their own food, unlike heterotrophs who consume other organisms and autotrophs to receive nutrients.

4 0
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Which organisms have three carnivorous predators and a consumer-producer relationship with at least one organism?
dedylja [7]

Answer:

The organisms that fit in boxes 2 and 7 only

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