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3 years ago

Knowledge of biology is required to fully understand which of the following important issue

Biology

1 answer:

denis-greek [22]3 years ago

3 0

Answer:

Explanation:Knowledge of biology helps one understand the concepts of health and disease better. A student gets an idea of what the body is made of, its physiology, etc. This helps to understand the disease state and also chances for improvement. It also helps one understand the useful substances from plants and animals which are used for medicine.

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A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is dilut

Sholpan [36]

Answer:

The original water sample contains 830,000 cells per milliliter.

Explanation:

A sample of well water is tested for its bacterial content in a plate count assay. A one-milliliter sample of the water is diluted in a 1:10 dilution series. One milliliter of the fourth dilution tube is plated in a pour plate. After incubation, the plate has 83 colonies, indicating that the original water sample contained 830,000 cells per milliliter.

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3 years ago

The number of chromosomes in a human gamete is __________; this is referred to as a __________ chromosome number.

Delicious77 [7]

Answer:

23, haploid

Explanation:

there are 23 chomrosomes in both a egg and sperm cell

this makes them haploid as they have a single set of unpaired chromosomes

hope this helped

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2 years ago

You have a 16N sack of potatoes that you need to lift onto the kitchen counter. You set up a pulley system with a mechanical adv

natali 33 [55]

A force of 8 N will be required.

<h3><u>Explanation:</u></h3>

Mechanical advantage is defined as the ratio of output force from a system to the input force into the system. A machine which has the mechanical advantage more than 1 means it requires less force to give more force as output. Similarly, when the mechanical advantage for the machine is less than 1,it means more force is required to give to achieve a less one.

Here in the question, the mechanical advantage of the pulley is 2.

Output force required to pull the sack of potatoes upto kitchen is 16N.

Mechanical advantage = Output force / input force.

Or, 2= 16 / input force.

So input force = $16 / 2 =8.$

So a force of 8 N will be required to pull the pulley.

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3 years ago

Sometimes a mutation is beneficial to an organism's fitness and can be passed on to offspring. What is likely to happen to the m

Cloud [144]

The mutation will become more common in offspring and increase the genetic variability in the gene pool.

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3 years ago

What must happen in order to preserve these leaves as fossils?

Lorico [155]

Hi
The leves need to beed in clay so there comes no air close to the leaves this important because otherwise bacteria could dissolve the leave

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3 years ago