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harkovskaia [24]
3 years ago
10

Which organelle is like the brain of the cell

Biology
2 answers:
ipn [44]3 years ago
7 0

The nucleus, this is for Eukaryotic cells.

nekit [7.7K]3 years ago
4 0

Answer: Nucleus

Explanation:

The nucleus is referred as the brain of the cell because it contains the genetic information necessary to carry out cellular functions.

Inside the nucleus, there is the genetic material called chromosomes, made of DNA that carry the necessary instructions to direct cell activities. Because, <u>DNA carries information necessary for the synthesis of proteins that form tissues and perform various biological functions</u>.  The functions of proteins are to maintain their integrity, defend themselves against external agents, repair damage, control and regulate functions, and others.

Practically, proteins are in charge of almost everything in the organism. And since they are made according to the information encoded in the genetic material inside the nucleus, this organelle is called the brain of the cell.

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Suppose that a population of bacteria triples every hour and starts with 400 bacteria. find an expression for the number n of ba
Goshia [24]
N should be 100 and hours 4 hope im right
6 0
3 years ago
Read 2 more answers
Arrange the events taking place during transcription in order: i) The pre-RNA undergoes processing ii) RNA polymerase moves down
Anastasy [175]

Answer:

RNA polymerase binds to the promoter

Polymerase initiates RNA synthesis at the start point on the template strand

RNA polymerase moves downstream unwinding the DNA

RNA transcript is released and polymerase detaches from the DNA

The pre-RNA undergoes processing

Explanation:

The promoter is the specific DNA sequence that serves as a binding site for RNA polymerase. The enzyme RNA polymerase recognizes the promoter sequence and binds to it to begin the process of RNA synthesis. The process of RNA synthesis begins at the start site where the process of the unwinding of DNA duplex is initiated.

The unwinding separates the two DNA strands at the start site where RNA polymerase begins the process of synthesis of the new RNA strand. The newly formed RNA strand and RNA polymerase are released from the template strand after the termination of the process.

In eukaryotes, the primary RNA transcript undergoes the process of splicing of introns, the addition of poly-A tails and 5' cap which in turn transform it into the mature mRNA.

8 0
3 years ago
Which type of rock forms from molten magma inside the Earth?
Wittaler [7]

Answer:

b.sedimentary rock

Explanation:

because when magma cools it hardens

7 0
3 years ago
Read 2 more answers
The following concepts led to the hypothesis that DNA has a double helix structure:
Maslowich
I and III.

Chargaff's law and Rosalind Franklin's discoveries
7 0
3 years ago
A heterozygous tall pea plant is allowed to self-fertilize. The resulting F1 progeny are 25% homozygous tall, 50% heterozygous t
maks197457 [2]

Answer:

25% heterozygous tall

Explanation:

If we take the F1 generation as parents and let them self-fertilise, we have 4 crosses.

The first one for homozygous tall, then we have 100% AA.

The second and third one for heterozygous tall and we have 25% AA, 50%Aa and 25%aa for each of them.

The last one would be for dwarf, and we'll have 100%aa.

Adding all of them, we'll have

AA = 100 + 25 + 25 = 150%

Aa =  50+50 = 100%

aa = 100 + 25 + 25 = 150%

as we had 4 crosses, so dividing the total percentages by 4, we'll have,

AA = 37.5%

Aa = 25%

aa = 37.5%

:. The percentage of heterozygous tall would be 25%.

Hope it helps:)

8 0
3 years ago
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