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aleksandr82 [10.1K]
3 years ago
14

Observe: An enzyme is a protein that facilitates certain cell processes. Click Release enzyme to release DNA helicase. What does

this enzyme do to the DNA molecule?
Biology
1 answer:
Alla [95]3 years ago
8 0

Answer: It makes the DNA molecules split up into two separate strands of DNA.

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If a chromosome is like a book, then a gene is like__?
valentina_108 [34]

Answer:

Answer;

A specific sentence.

If a chromosome is like a book, then a gene is like a specific sentence.

Explanation:

A chromosome is a structure that is made of a chemical known as deoxyribonucleic acid, or DNA as well as protein. Chromosomes are found in the nucleus of cells. Chromosomes contain many genes. A gene is a molecular unit of heredity, it is a segment of DNA that provides the code to construct a protein.

Chromosomes are made from DNA. Genes are short sections of DNA. Genetically identical cells are produced by a type of cell division called mitos

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3 years ago
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A scientist is comparing cancerous cells with noncancerous cells.
Simora [160]

The scientist should notice that the cancer cells have a <u>higher</u> rate of cell division and  have a <u>lower</u> response to inhibiting factors. Cell groups that are cancerous should  have a <u>lower</u> percent of cells in interphase than noncancerous cells.

Explanation:

The general characteristics of cancerous cells are defined by the ‘hallmarks of cancer’ like ‘enable replicative immortality, activate invasion and metastasis, resist cell death, evade growth suppressors’ etc. All these facts prove that they grow and divide at a higher rate and undergo uncontrollable mitotic cell division leading to proliferative invasion.

The cancerous cells also show low or no response to inhibiting factors like growth suppressors like p53, cyclins and other anti-tumor drugs.

The number of cancer cells in interphase is lower than noncancerous cells because interphase is a phase of cell growth, development and differentiation. Cancer cells undergo uncontrollable mitosis and more time is spent after the interphase to facilitate rapid cell division rather than growth or development.

7 0
3 years ago
Read the passage about an athlete.
trapecia [35]

Answer:

B

Explanation:

Because it is your circulation

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3 years ago
The study of energy and its transformations is called ___
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Answer should be <span>Thermodynamics </span>
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Which medication would most likely be prescribed to a patient with a mechanical valve? A. Medication to increase blood volume. B
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