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ASHA 777 [7]
3 years ago
8

When a doctor needs to give someone a medication intravenously (through a vein), they dilute that medicine in a saline solution

(salty water). Why would it be a bad idea for a doctor to mix the medicine with plain water? (Hint: Osmosis is the answer, but you’ll need to explain why.)
Biology
1 answer:
TiliK225 [7]3 years ago
7 0

Answer:

it is because the blood cells will have too much water in them and they will burst.

Explanation:

there will be less salt inside the cells so all the water will enter the cells. if there is also salt present outside of the cell then the water and the electrolites(salt) will equalize between the inside and the outside of the cell.

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What sequence correctly describes the route that an egg takes through the female reproductive system? (2 points). A.Cervix – fal
Charra [1.4K]
The sequence that correctly describes the route that an egg takes through the female reproductive system would be option d. Ovary - Fallopian tube - Uterus. The mature egg is released by the ovary into the Fallopian Tube. Once it is fertilized, it is embedded in the wall of the uterus and this is where the unborn baby develops. If fertilization does not happen, the endometrium is broken down, which results in menstruation.
8 0
3 years ago
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Which of the following applies to human skin color?
Bad White [126]

Answer:

A. Heritable

C. Affected by the MC1R gene

D. Polygenic trait

Has evolved due to evolutionary processes such as natural selection.

Explanation:

Human skin color is a polygenic trait as it is regulated by more than one gene. Each allele of these genes has an additive effect on the overall skin color of an individual. Therefore, the trait is a continuous trait, not a discrete one. The genes for human skin color are transmitted from parents to progeny which in turn makes it a heritable trait.

The gene MC1R codes for melanocortin 1 receptor and thereby, regulate the skin color of humans since melanocyte-stimulating hormone binds to the receptor to trigger the synthesis of melanin from melanocytes. Evolution of various skin color in human beings is regulated by natural selection which in turn favors the skin tone best suited under the prevailing climatic conditions of a particular human population  

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3 years ago
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Will give brainliest plz help with #30
Rina8888 [55]
The answer is D. Bioramofication.
8 0
3 years ago
A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is
Aleksandr-060686 [28]
A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is known as <span>punctuated equilibrium.</span>
8 0
3 years ago
Creationists criticize the idea of natural selection as a circular argument, or tautology, claiming "the fittest are those that
Dafna11 [192]

Creationists criticize the idea of natural selection as a circular argument, or tautology, claiming "the fittest are those that survive, and survival is how fitness is defined. "

The definition of natural selection is not tautological because natural selection is measured by contribution to the next generation, not simply survival of an individual organism.

Tautologies or circular arguments are true at all times and therefore are not productive as theories since they cannot be disproved. A tautology is a statement which is true by necessity.

Natural selection is the prevalent theory which explains biological change by predicting the mechanism behind evolution.

Nevertheless, natural selection can be explained non-tautologically. It should be described as the theory which tries to speculate as well as retrodict evolutionary change by environmental forces affecting the organisms.

To learn more about natural selection here

brainly.com/question/9830102

#SPJ4

4 0
1 year ago
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