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koban [17]
3 years ago
11

A class of proteins that eukaryotes use to turn genes on and off by allowing transcription to ouccur or blocking it are called ?

Biology
1 answer:
arsen [322]3 years ago
4 0
I think you're talking about histones. Histones are proteins found in eukayotic cell nuclei. Histones are what DNA wrap around so it fits inside the nucleus and helps with the formation of chromosomes.
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Define electronegativity, and explain the difference between electronegativity and electron affinity. describe in general how th
Helga [31]

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4 years ago
Which statement best describes a scientific question?
marishachu [46]

Answer:

~Hello,~there!

Which statement best describes a scientific question?

  • It must be based on a hypothesis.
  • It must be testable

These are the correct Answers!

Explanation:

  • A good scientific question has certain characteristics. It should have some answers  should be testable  it can be tested by another individual through an experiment or measurement.

Therefore, I hope this helps!

8 0
3 years ago
What is one between a drup and a berry
adoni [48]

a drupe has usually only one seed but berries are characterized as having flesh endocarp and might have more than one seed hope this helps (if this is what u meant) also a drupe is a accessory fruit while a berry is a multiple fruit.

6 0
3 years ago
What trait variation did Charles Darwin observe after studying the Galapagos finches? (5 points)
zloy xaker [14]

The finches of the same genus had different characteristic on the different islands of the Galapagos. They had different graded beaks sizes and shapes. In some islands, finches had sharp beaks for stabbing their prey. In other islands, the fiches had short stout beaks for grain-eating. This is a case of allopatric speciation where a population of the finches diverged to.adapt to the habitats in the different islands and also claim different niches






5 0
3 years ago
I need help on this fast i need to match the difintion to the vocabulary putting the Letters to the vocabulary
Svetach [21]

Answer:

F - is variation

C is Charles Darwin

B is natural selection

A is Alfred

E is evolution

D is adaptation

5 0
3 years ago
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