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almond37 [142]
3 years ago
13

What does it mean for a cell membrane to be selectively permeable?

Biology
1 answer:
kirill115 [55]3 years ago
3 0
It means...that the cell membrane will allow certain molecules but not others through the cell.

The answer is D
Sorry if I am wrong!
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What do science, technology, and disease have to do with each other?
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Science and technology could help cure diseases, they also could help created new cures for other things. Technology could be added into science because when they are making prosthetic recourse using those two resources.

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Which events occurred during the Space Race? Select three options.
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Answer: A e c

Explanation:

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What is a fine-grained material that has been transported and deposited by the wind ?
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Answer: Loess is the fine grained material that has been transported and deposited by the wind. The answer is <u>A.</u>

Explanation:

Since the wind can carry these types of material (find grained) father than sand, and also higher up, they are generally found very far from their original place of origin.

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3 years ago
Which of the following is NOT a component of a nucleotide?
Paha777 [63]

Answer:

Option D.

Explanation:

The above answer given is incorrect. Nucleotides consist of a phosphate group attached to a pentose sugar, with 5 carbons,  (deoxyribose sugar in the case of DNA) and the pentose sugar is also attached to a nitrogenous base. DNA is incorrect as nucleotides are the building block of DNA hence DNA is NOT a component of nucleotides.  

4 0
3 years ago
I need help on this-
Sergio [31]

Answer:

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles to settle in place.

Igneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava.

Metamorphic rocks were once igneous or sedimentary rocks, but have been changed (metamorphosed) as a result of intense heat and/or pressure within the Earth's crust. They are crystalline and often have a “squashed” (foliated or banded) texture.

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