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2 years ago

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14) a given organism has 46 chromosomes in its karyotype. we can therefore conclude which of the following?; a) it must be human

.; b) it must be a primate.; c) it must be an animal.; d) it must be sexually reproducing.; e) its gametes must have 23 chromosomes.

1 answer:

Nimfa-mama [501]2 years ago

6 0

A) it must be human or e) its gametes must have 23 chromosomes

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7. Mrs. Everhart developed the theory that all bulldogs are great pets. After all her bulldog Meatball is a

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Answer:

No it is not a scientific theory.

Explanation:

An explanation of any aspect of the natural phenomenon of the world that can be tested several times and well supported by the evidence, and follows the scientific method. Furthermore known as scientific theory.

Presently, a logical hypothesis must meet a few rules, and one of those is that it must be upheld by a few (and free) strands of proof.

For this situation, we have just one hypothesis, that bulldogs are great pet and Meatball is great among bulldogs, and it isn't sufficient, at that point it can not be a scientific theory.

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2 years ago

A child who constantly hears negative statements about himself or herself is likely to _____.

satela [25.4K]

I'd say the answer is suffer from emotional abuse or be an overachiever

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What type of molecule is represented by the model below?

trapecia [35]

Answer:

Carbohydrate

Explanation:

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2 years ago

The dandelion is a successful weed. Explain why its adaptations make it a better competitor than many other plants on a school f

Taya2010 [7]

Answer:

The correct answer is - dandelion weeds adapted many tricks to reduce all other competitors as it is invasive species.

Explanation:

The dandelion is a successful weed. It's got a lot of adaption to eliminate or dominate other plants and weeds, such as ethylene gas released by its rosette of leaves that prevent other plants from growing near dandelion.

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1 year ago

If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the haematocrit is _______

nordsb [41]

Answer:

If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the hematocrit is <u>41,02%</u> percent. The hematocrit value is <u>within the normal</u> range.

Explanation:

Hello!

Hematocrit (or packed cell volume -PCV-)is defined as the percentage of red blood cells (vol%) in a blood sample. One common method of determining it is by centrifuging a heparinized blood sample in a capillary tube at 10 000 RPM for five minutes. This separates the blood sample in two layers, formed elements (RBC and WBC) and Plasma.

The length of the layers is directly measured from the tube and represents the volume of packed cells and plasma. Since the number of white cells is negligible compared to the number of red cells, the formed elements are considered to represent the red blood cells.

The hematocrit can be calculated as the volume of packed cells divided by the total volume of the blood sample.

$\frac{PCV}{TOTAL(pcv+plasma} * 100$

<u>In the question:</u>

$\frac{32}{32+46} * 100$ = $\frac{32}{78} * 100$ = 41,02%

In humans the normal hematocrit range is 40,7% to 50,3% for men and 36,1% to 44,3%. Taking these reference values into consideration, this sample is within the normal range.

I hope you have a SUPER day!

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2 years ago