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zlopas [31]
3 years ago
14

Atoms of elements that are in the same group have the same number of

Biology
1 answer:
san4es73 [151]3 years ago
4 0
Atoms are grouped together by their number of valence electrons
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Which are examples of harmful mutations? Check all that apply.
Zanzabum

Answer:

what r the options

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2 years ago
The San Andreas fault lies along the boundary of the: North American and Pacific plates South American and Pacific plates North
Scilla [17]

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Ok, I don't know if this will help any, but it is in the Gulf of California.

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I'm pretty sure that those are the North American and Pacific plates?

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3 years ago
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Kidneys are often compared to filters because they cleanse unwanted waste from both frogs and humans true or false ?
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"Kidneys are often compared to filters because they cleanse unwanted waste from both frogs and humans" is TRUE.

Answer: Option A

<u>Explanation: </u>

Frogs also have the excretory system with two kidneys and similar to mammals. Its function is to eliminate the nitrogen product from the blood. Frogs make large volumes of dilute urine to wipe out harmful products from the tubules of the kidneys.

Tadpoles and aquatic frogs excrete the nitrogen as ammonia, but most terrestrial adults excrete it mostly as urea which is less threatening substance. A few tree frog species with little water access excrete the still less harmful uric acid.

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3 years ago
What role do membranes play in prokaryotic cells? In eukaryotic cells
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Prokaryotic cells do not have membrane bound organelles. Eukaryotic cells do have membrane bound organelles. The membrane controls movement in and out of the cell. ... The cytoplasm fills the space between the nucleus and the cell membrane.

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3 years ago
A paleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo bird. The researcher woul
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Answer:

c)polymerase chain reaction (PCR).

Explanation:

Because the paleontologist recovered only a bit of tissue  and it is very old, it is very likely that the DNA in the sample is very small and part of it is degraded. Anyway, the paleontologist must first amplify the DNA sample to obtain many identical copies of the specific region of the DNA they want to compare. the above is done through a polymerase chain reaction (PCR).

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