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shtirl [24]
3 years ago
14

Internal organs combine sperm with fluid energy source producing blank

Biology
1 answer:
yuradex [85]3 years ago
3 0
Producing blank semen
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Asap Please and thanks brainliest and thanks
GREYUIT [131]
Chicken breast-protein
Banana-carbohydrate
(Sorry if I’m wrong about the banana, most of my sources said carbohydrates)
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3 years ago
The cell cycle is regulated at the molecular level by a set of proteins known as:
madreJ [45]

Answer: Option D.

Cyclins are proteins that regulate the cell cycle at molecular level.

Explanation:

Cell cycle refers to series of activities that take place in the cell leading to replication of DNA and division of cytoplasm to give two daughter cells. Cell cycle are regulated by a set of proteins called cyclins.

Cyclins are group of proteins the bind and activates cycling dependent kinases enzymes in order to control cell progression through the cell cycle.

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3 years ago
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What is an enzyme i will mark brainiest​
Zielflug [23.3K]

Answer:

a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.

5 0
2 years ago
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A complete plant gene containing four introns and five exons is carried on a 6.0-kb DNA fragment. DNA sequencing analysis finds
damaskus [11]

Answer and Explanation:

the total length of the gene is 6,000 base pairs (or) 6.0 kb and it has five exons, four introns and a 1,000 base pair length flanking region for the transcribed region.

Hence, each exon has (1500/5) = 300 by

each intron has (3500/4) = 875 by and

flanking segment (5' and 3') length for the transcribed region would be (1000/2) = 500 bp.

The gene segment is as shown in the <em>1st diagram attached below </em>

In eukaryotes, transcription takes place in the nucleus which results in the synthesis of hnRNA (heteronuclear ribonucleic acid). This hnRNA (pre-RNA) has both introns and exons, however when it is synthesized or while it is being synthesized the Spliceosomal complex removes introns from hnRNA and becomes converted into mRNA (messenger RNA) in the nucleus itself.  

(<em>second diagram explains further)</em>

Now the synthesized mRNA reaches the cytoplasm. So, if mRNA collected from the nucleus and cytoplasm will have the same length of about 2,500 base pairs only. Therefore, after the commencement of northern blot analysis both mRNA will yield the same kind of result and have unique length.  

8 0
3 years ago
Ugg sorry posting so much but now I cant edit! Yes this is what the other 2 are
RideAnS [48]

Enzyme notes :

- Many chemical reactions can be speed up by substances called catalyst.

- Metabolic reaction (chemical reaction) is controlled by enzyme.

8 0
3 years ago
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