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djverab [1.8K]
3 years ago
8

At the start of the lab, you will test known samples in order to see what positive and negative test results look

Biology
1 answer:
son4ous [18]3 years ago
8 0

Answer:

I feel it's to easily differentiate the positive from the negative...... like in gram staining of bacteria, the colour tell us which bacteria is gram positive or gram negative...... I just feel that this is science and it is advisable to know what the opposite result of an experiment should look like.

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Due to the time it takes for space travel, to reach the new moon on Saturn, the Department of Defense has rockets traveling to i
Stolb23 [73]

Answer:

The human cell cycle has two main phases: the interphase and the M phase

Explanation:

Just like every cell, the human cell cycle has two main phases which are;

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The interphase phase is further divided into 4 respective sub-phases namely;

  • G_0 phase which is essentially a resting/quiescence phase. It  reserved for cells that have no need to divide unless they are called upon.
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The M phase is known as the active division phase. M can be mitosis or meiosis depending on the type of cells. Reproductive/sex cells will undergo meiosis while somatic/vegetative cells will undergo mitosis.

Mitosis is further divided into prophase, metaphase, anaphase and telophase while meiosis is divided into prophase I, metaphase I, anaphase I, telophase I and prophase II, metaphase II, anaphase II, telophase II respectively.

4 0
3 years ago
Which option best describes genes?
lions [1.4K]

Answer: I think it‘s 1, it just makes more sense. Sorry if I am wrong but hope this helps anyone.

8 0
3 years ago
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Vika [28.1K]

Answer:

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4 0
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Which of these is a way the immune system works with other body systems?
zhenek [66]

Answer:

A. The spleen filters pathogens from blood

Explanation:

-The spleen is sometimes called the “filter of the blood”

-It works closely with the circulatory system for transportation needs and the lymphatic system for production of lymphocytes.

6 0
2 years ago
When roan cattle are crossed, 25% of the offspring produced will have white coats, 50% will have roan coats, and 25% will have r
larisa [96]

Answer:

The results indicate that parentals were heterozygous for coat color and that the trait is inherited by incomplete dominance.

Explanation:

<em>Note: Due to technical problems, you will find the explanation in the attached files.</em>

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Download pdf
5 0
3 years ago
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