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murzikaleks [220]
3 years ago
10

HELPPPP LIKE ASAAPPPP

Biology
1 answer:
denpristay [2]3 years ago
8 0
B.

Natural selection is another words, survival of the fittest, ensuring the strong will survive
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Rhonda Runsalot is a 20 year old woman. She is running at VO2max. Her heart rate is 200 b/min. Her stroke volume is 100 ml blood
katen-ka-za [31]

Answer:

Cardiac output = 20 L/min

Explanation:

The cardiac output of a person refers to the volume of blood the heart pumps in a minute. The normal range for cardiac output is about 4 to 8 L/min. However, this can vary depending on the metabolic needs of the individual at any instant of time, for example, it is higher when exercising than  when resting.

Cardiac output is calculated from the product of the stroke volume in liters/min and the heart rate in beats/min

Cardiac output  = stroke volume * heart rate

For the individual who is running; stroke volume = 100 mL/beat or 0.1 L/beat

heart rate = 200 beats/min

Cardiac output =0.1 L/beat * 200 beats/min

Cardiac output = 20 L/min

6 0
3 years ago
Anything that has mass and takes up space is called
Yuliya22 [10]
The answer is Matter
4 0
3 years ago
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Movement of the chromosomes during anaphase would be most affected by a drug that
My name is Ann [436]

Answer:

The options are missing, the options are:

A) prevents the duplication of centrosomes. B) prevents nuclear envelope fragmentation C) prevents shortening of microtubules. D) prevents attachment of the microtubules to the kinetochore. E) prevents nucleosome formation

The answer is C

Explanation:

Cell division is a characteristics of all living cells. Whether meiosis or mitosis, the chromosomes separate in the Anaphase stage. Prior to the anaphase stage is the metaphase, where spindle microtubules attach to the kinetochores of each chromosome and aligns them at the centre of the cell called METAPHASE PLATE.

Thus, since the aligning of chromosomes at the metaphase plate has to do with attachment of microtubules to chromosomes' kinetochores, the drug that will hinder movement of chromosomes to opposite poles will not stop formation of microtubules. Instead, it will prevent the formed microtubules attached to each chromosome from shortening, as it is the shortening of microtubules that facilitates the pulling apart of the chromosomes they are attached to.

4 0
3 years ago
)co-sleeping may be harmful to the baby if the mother _____. awakens frequently is a light sleeper is drugged or drunk is in a f
Afina-wow [57]

Answer:

Drugged or drunk

Explanation:

if the mother is drugged or drunk because the mother wont be able to comprehend whats going on and may role on the baby and may be very harmful

3 0
3 years ago
Which type of RNA molecule carries the instructions that are read to form a protein
kodGreya [7K]

Answer:

Messenger RNA

Explanation:

Messenger RNA carries the instructions for making proteins.

6 0
3 years ago
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