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SVEN [57.7K]
3 years ago
15

Cytotechnologists may examine cells for abnormalities or disease. a. True b. False

Biology
2 answers:
Strike441 [17]3 years ago
5 0

Answer:

the answer isnt fase

Explanation:

Harrizon [31]3 years ago
3 0
This is true hope it helps. 
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Typically, acetylation of histone tails leads to ________. Typically, acetylation of histone tails leads to ________. relaxed pa
ololo11 [35]

Answer:

relaxed packaging of the chromatin and increased transcription.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

A nucleotide can be defined as an organic molecule which forms the building block of nucleic acid such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Basically, nucleotide comprises of the following parts;

1. Nitrogenous base: this includes adenine (A), thymine (T), guanine (G), and cytosine (C) which are mainly found in the DNA while adenine (A), guanine (G), uracil (U) and cytosine (C) are found in the RNA.

2. A phosphate group.

3. A penrose sugar: it is either deoxyribose in DNA or ribose in RNA.

The two parts or chemical components of a nucleotide which do not change throughout the structure of DNA are;

I. Five-Carbon Sugar also known as deoxyribose and it has hydrogen on its second carbon.

II. Phosphate: this is the structural backbone that provides support to DNA.

Histones are a group of highly basic proteins that are mainly associated with deoxyribonucleic acid (DNA) in the nucleus of a living organism and are responsible for condensing it to chromatin.

Typically, acetylation of histone tails leads to relaxed packaging of the chromatin and increased transcription.

Transcription can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.

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3 years ago
Compact, black, brittle coal is called _______.
Artist 52 [7]
That is Bituminous coal
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3 years ago
What is systematics and why is it a less arbitrary and more natural approach to categorizing living organisms?
klio [65]
Systematics is the study of the units of biodiversity. Systematics differs from ecology in that the latter is concerned with the interactions of individuals (and therefore species) in a particular time.
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The organisms that form the base of most open-ocean food webs are
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Plankton is the organisms that form the base of most open ocean food webs because fish eat plankton and bigger fish like sharks eat the little fish that eats the plankton.
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Snails have a diploid chromosome number of 22. After meiosis, the snail's sperm or egg would have 11
ziro4ka [17]

Answer:22

Explanation: the egg and sperm join to form the zygote, which gets 11 chromosomes from each gamete

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3 years ago
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