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MatroZZZ [7]
2 years ago
6

The cell shown above is forming a cleavage furrow as the first stage of cytokinesis. To which organism does the cell pictured li

kely belong?
Biology
2 answers:
Alchen [17]2 years ago
7 0

Answer: zebra fish

Explanation: the cleavage occurs in animals so choose the option choice that is an animal.

spin [16.1K]2 years ago
3 0
Can you please upload the photo referred to in the question, so that the organism can be identified? :)

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The human body consists of two types of fat components: essential body fat and storage body fat. TRUE OR FALSE PLEASE HELP
mojhsa [17]

Answer:

Body fat can be divided into two components:

Essential body fat: It is the minimum percentage of fat required by the body in order to function efficiently and to maintain a good health. It is usually stored in small amounts in muscles, internal organs, bone marrow as well as the central nervous system.

Storage body fat: It is also called non-essential body fat as it is not required for the basic functioning of the body. Excess of food or energy is stored in the form of fat around the organs (visceral fat) and beneath the skin (subcutaneous fat) in the body. It serves as the energy reserve and is used when the body's glycogen reserves are depleted.

Hence, the given statement is true.

6 0
2 years ago
Read 2 more answers
How many of the following statements about DNA recombination are true? It is a natural process where genetic information is rear
Shkiper50 [21]

Answer:

All the statements about DNA recombination are true.

Explanation:

Recombination can be defined as any process in which the formation of new DNA from different molecules takes place, so that the genetic information derived from each original DNA molecule will be present in the new ones. Allows random rearrangement of genes within and between chromosomes.

It constitutes a source of genetic variability and physical exchange of segments. It has regulatory value, since it can result in the activation or inactivation of genes and is also a repair pathway.

There is general or homologous recombination, which occurs between substrates with extensive homology.

Site-specific recombination, where there is an exchange of two specific DNA sequences.

And transposition, which involves a short segment of DNA that moves from one place to another on the same or different chromosome.

5 0
2 years ago
In this lab, you will figure out who was guilty of the classroom food mess by determining which macromolecules are present in th
puteri [66]

Answer: Which macromolecules from the mystery food sample will help you figure out who was guilty of making a mess in the classroom

Explanation:

3 0
2 years ago
The synthesis of a new strand begins with the synthesis of a(n) _____. The synthesis of a new strand begins with the synthesis o
Anna35 [415]

Answer:

primer

Explanation:

Most biological reactions rely on the enzyme to speed up the reaction. In the case of DNA replication, this enzyme is DNA polymerase. a; DNA is a double helix made up of two long chains of deoxyribonucleotides. ... b; a primer is used to start this process by giving DNA polymerase something to bind the new nucleotide to. just for you to see.

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2 years ago
MicroRNA (miRNA) production occurs in several steps. Arrange the statements describing the production and function of miRNAs in
zmey [24]

Answer:

The miRNAs act as post-transcriptional silencers, as they are similar to specific mRNAs and regulate their stability and translation. They are small endogenous non-coding ribonucleic acid (RNA) molecules, with about 22 nucleotides, which act as regulators of gene expression in plants and animals, at the post-transcriptional level through the cleavage of a target messenger RNA (mRNA) or repression of translation.

In general, most miRNA genes are transcribed by RNA polymerase II in the nucleus in primary miRNAs (pri-miRNAs). Individually, a pri-miRNA can produce a single miRNA or contain groups of two or more miRNAs that are processed from a common primary transcript. These long pri-miRNA are cleaved by a complex comprising the double-stranded RNAse III enzyme (DROSHA) and its essential cofactor, the binding protein DGCR8 (DiGeorge Syndrome Critical Region 8 protein) in mammals. DROSHA contains two domains of RNAse III, each of which cleaves a strand of the RNA resulting in the precursor microRNA (pre-miRNA) with about 70 base pairs, which contains a double-stranded stretch and a single-stranded loop, forming a structure in clamp. The pre-miRNA is exported to the cytoplasm by the protein exportin-5 (XPO-5), where it is cleaved by DICER1, an RNAse III that assesses the 3 'and 5' ends of the pre-miRNA, generating a mature miRNA with about 22 nucleotides. The processing of pre-miRNA by Dicer promotes the unfolding of the RNA duplex in the form of a clamp. The position in the formation of the clamp can also influence the choice of tape.

Explanation:

7 0
2 years ago
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