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Orlov [11]
3 years ago
7

Which of the following is part of the geometric model?

Biology
2 answers:
Basile [38]3 years ago
7 0

Answer:

c

Explanation:

Tom [10]3 years ago
6 0

Answer:

C. All objects in the universe revolve Earth

Explanation:

The geocentric model is a model of the universe in which everything in the universe revolves around the Earth. ('geo' meaning 'earth').

This belief that the earth was the center of the universe was widely accepted by society up until around about the 16th century, before science began to develop and prove otherwise.

Hope this helped!

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How can changing conditions, such as the introduction of disease impact the numbers and types of organisms in an ecosystem? Prod
wolverine [178]

Answer:

decrease

Explanation:

if the producer is destroyed then all the others are dead

5 0
2 years ago
The interaction between DNA and histone proteins (forming nucleosomes) plays a key role in the regulation of gene expression in
ladessa [460]

Answer:

A. The chromatin near cis-regulatory sequences will be more closed and there will be less transcription.

Explanation:

In the presence of histones, the cis-regulatory sequences of DNA like promoter, enhancers etc. are not exposed. The function of the histone acetyltransferases (HATS) is to cause chromosome decondensation i.e. removal of histones from the DNA so that transcription of the DNA could occur. Histone acetyltransferases (HATS) cause acetylation of lysine amino acid of the histone proteins. Acetyl group is negatively charged so the acetylation of histone proteins leads to the removal of their positive charge which ultimately leads to the decrease in the interaction between N terminal of histones and negatively charged phosphate group of the DNA molecule. As soon as histones are removed from the DNA where cis-regulatory sequences are located, the DNA becomes accessible for transcription.

But here a drug has been added which blocks the activity of histone acetyltransferases (HATS) in cancer cells. So it is quite evident that in these cells, histones will not get removed from the cis-regulatory sequences of DNA so the DNA will be more closer or tightly packed as a result of which  less transcription will occur.

7 0
3 years ago
Explain how visible inherited traits are diffrent amongst offspring of the same parent.
bonufazy [111]

Answer:

Although an individual gene may code for a specific physical trait, that gene can exist in different forms, or alleles. ... In other cases, each parent provides a different allele of a given gene, and the offspring is referred to as heterozygous ("hetero" meaning "different") for that allele.

5 0
2 years ago
When one atoms electron is given up to another atom both atoms become what?
Amiraneli [1.4K]
When an electron<span> moves from </span>one atom<span> to </span>another<span>, </span>both atoms become<span> ions.</span>
4 0
3 years ago
A dna replication bubble forms at a specific sequence of bases called the ___________. see section 15.3 (page 321) .
julsineya [31]

The answer is the origin of replication. This is where the replication bubble is formed. Two opposite replication forks (Y-shaped regions) of DNA are formed when the double helix is unzipped by DNA helicases. Transcription factors, polymerase III and primer then bind to the region to begin transcription.






4 0
3 years ago
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