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mixer [17]
3 years ago
15

Key features that distinguish eukaryotic genomes from prokaryotic genomes include (select all that apply): Group of answer choic

es as a rule, eukaryotic genomes contain large fractions of non-protein coding DNA sequence. eukaryotic genes rarely contain introns. in eukaryotes, what constitutes a gene at the molecular level is difficult to define. eukaryotic genomes contain "satellite" DNA composed of various types of repetitive elements.
Biology
1 answer:
posledela3 years ago
3 0

Answer:

1. Eukaryotic genomes contain large fractions of non-protein coding DNA sequence.

2. Eukaryotic genomes contain "satellite" DNA composed of various types of repetitive elements.

Explanation:

The genome of the eukaryotes and prokaryotes are very different. The eukaryotic genome is much larger as compared to the prokaryotic genome.

The eukaryotic genome is largely due to the presence of some sequence which does not code for any protein called introns and a large amount of sequence which continuously repeats itself in the genome called satellite DNA.

The eukaryotic genome when condenses, it forms an X-shaped called chromosomes whereas the prokaryotic genome is circular and thus is called circular chromosomes.

Thus, the selected option is correct.

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Which two processes that occur during the formation of gametes contribute to increasing diversity within a populations gene pool
yanalaym [24]

Answer:

1) Crossing over

2) Independent assortment.

Explanation:

Gametes are formed resulting from the process of meiosis where the gametes get half of the original number of chromosomes. One phenomenon that happens during the prophase 1 of Meiosis and leads to the genetic diversification is crossing over. In this process , Here, homologous chromosomes pair up and exchange information present on genes from one another. When information is exchanged, it leads to the diversity of genetic data.

The second way of increasing genetic diversity is independent assortment that takes place during metaphase 1. In this process chromosomes from both father and mother cells align on equatorial plate of the cell in an independent manner. This means that some gamete can have 1 of many different chromosomal combinations.

This reshuffling of chromosomes during independent assortment enhances the genetic diversity of any organism and this also explains why kids of same parents can look or behave very different.

Hope it help!

8 0
3 years ago
What is a autotroph?
SOVA2 [1]

Answer:

an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

Explanation:

6 0
3 years ago
Read 2 more answers
Why do we need to de-starch a leaf to proceed with an experiment?
Ronch [10]
We de-starch leaves so as to remove the starch produced in it during photosynthesis stored as food. Removing the starch would help us to infer our observations clearly as there is no change or substance that would effect the experiment we want to carry out. For example , the indicators we use might give blue-black or green colors just because of the presence or absence of starch.
5 0
3 years ago
Show the genotypes of two individuals who
irga5000 [103]

It is considered that the child's IQ will be 50% more than parents IQ.

<h3>let's take an example</h3>

If parent's IQ is 100

50% of 100 is 50

Now add these values

100+50=150

So, The child's IQ will be always higher than parents.

4 0
3 years ago
Read 2 more answers
Which of the following organic molecules may have up to four levels of structure? A. Proteins B. Lipids C. Nucleic Acids D. Carb
masha68 [24]
The correct answer is proteins.

Proteins have four structures; (1) primary, (2) secondary, (3) tertiary, and (4) quaternary. Primary structures of proteins are formation of peptides and the peptide bonds between amino acids. Secondary structures of proteins involves the amino acid composition leading to hydrophobic interactions forming either alpha helices or beta sheets. Interactions between secondary structures of proteins will make the tertiary structure which is either soluble (globular) or insoluble (fibrous) proteins. Quaternary structures are the combination of two or more tertiary structures and these are called subunits.
4 0
3 years ago
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