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Vera_Pavlovna [14]
2 years ago
10

The kidneys are an essential organ for which system?

Biology
1 answer:
Svetach [21]2 years ago
5 0

Answer:

Explanation:  excretory system

The kidneys do a lot, but their most important job is to take waste out of the blood and make urine . The urinary tract takes this waste out of the body when a person

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You conduct an experiment to see how different colors of light affect the growth of sunflowers. At the end of each week, you mea
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hi shelbi

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3 years ago
After Meiosis 2, how many chromosomes will I have in each cell if I start with 48 chromosomes in my original parent cell? Is the
Sophie [7]

Answer:

you would have 24 chromosomes  and it would be haploid

Explanation:

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3 years ago
Which statement describes the chemical property of copper that results in
timama [110]

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it reacts easily with other substances. This is why they easily rust and oxidize when in contact with oxygen, and tarnish when meets water.

7 0
3 years ago
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Two consecutive even positive integers have a product of 2,400. What is the smaller of the two numbers?
Flura [38]

Answer: <u>Option C; 48</u>

Explanation:

Let one number = x

Other number = x+2

According to question-

[x] [x+2] = 2400

x^{2} + 2x - 2400 = 0

Solving this equation, we get-

[x - 48] [x - 50 ] = 0

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Since 48 is the smaller number here, answer is option C

8 0
3 years ago
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Which of the following statements about archaea are true cowan?A) They are prokaryotes.B) They lack peptidoglycan in their cell
Veseljchak [2.6K]

Answer:

All the options are true except option D.

Explanation:

Archaea are a group of prokaryotic organisms i.e. they lack a membrane bound nucleus. They are one of the the three domains of life (the other two being bacteria and eukarya). Archeans possess a cell wall like bacteria but it is not composed of peptidoglycan, like bacteria cell wall.

Archeans are generally known to be found in very severe environmental conditions, hence, they are referred to as extremophiles e.g Some are thermoacidophiles i.e. thrive in very hot and acidic environment while others are extreme halophiles i.e. thrive in salty regions. Archeans known as methanogens produce methane gas as a product of metabolism from carbon dioxide and hydrogen.

However, the domain archeae was only found to be in existence recently after the domain bacteria, hence, they are not considered to evolve before the domain bacteria.

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3 years ago
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