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lesya [120]
2 years ago
6

Fossil fuels are made when....

Biology
1 answer:
brilliants [131]2 years ago
6 0

Answer:

A

Explanation:

organisms don't fully decompose and become trapped underground

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Which of the following macromolecules enter the nucleus of a eukaryotic cell through pores in the nuclear membrane? a. rRNAb. ri
Lina20 [59]

Answer:option C= mRNA

Explanation:

MACROMOLECULES are large molecules, such as protein, commonly created by the polymerization of smaller sub-units called monomers.

The NUCLEAR PORE is a protein-lined channel in the nuclear envelope. The NUCLEAR PORE regulates the transportation of molecules between the nucleus and the cytoplasm. In eukaryotic cells, the nucleus is separated from the cytoplasm and surrounded by a nuclear envelope.

mRNA is synthesized by DNA during a process known as the TRANSCRIPTION. After the synthesis, the new molecule moves from the nucleus to the cytoplasm. It passes through the nuclear membrane through a NUCLEAR PORE. Then, it will later join with a ribosome, which is just coming together from its two sub-units, one large and one small.

6 0
3 years ago
How does autotroph get its food?
Anon25 [30]
It makes it own food that why its called an AUTOtroph
4 0
3 years ago
Which of the following choices are all abiotic factors of a freshwater ecosystems?
LenaWriter [7]
I think can be water, light, temperature, nutrients


Hope help!
4 0
3 years ago
Which explapins wheather the particle described is a virus or a cell
lesantik [10]

A virus is a microscopic particle that can infect the cells of a biological organism. Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own. It has been argued extensively whether viruses are living organisms.

5 0
3 years ago
What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians, and invertebrates?
PIT_PIT [208]

The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

<h3>Characteristics of an amniotic egg</h3>

Eggs laid by amniotes are different from other eggs laid by fishes, amphibians and invertebrates in that they lack a membrane and a larval stage. the shell of the amniotic egg protects the embryo in the absence of a membrane. The shell also allows for the exchange of oxygen and carbon dioxide between the the embryo and the environment.

Hence we can conclude that The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

Learn more about amniotes : brainly.com/question/19158601

#SPJ1

7 0
2 years ago
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