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Vitek1552 [10]
2 years ago
6

The most diverse and prevalent organisms on earth are

Biology
2 answers:
Irina-Kira [14]2 years ago
4 0
The answer is Bacteria
rodikova [14]2 years ago
3 0

Answer:bacteria

Explanation:

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What kind of flower was Timon wearing on his head in the hula scene of the lion king 1994?
Darya [45]

Answer: Sort of looks like an orchid. Hard to tell, i want to say orchid or hibiscus flower. Good Luck i hope its right!

Explanation:

6 0
3 years ago
N20 can be removed from the atmosphere through the nitrogen cycle true or false?
cupoosta [38]

Answer:

The answer is False

Explanation:

  • <u><em>Nitrous oxide is removed from the atmosphere when it is absorbed by certain types of bacteria or destroyed by ultraviolet radiation or chemical reactions.</em></u>
4 0
2 years ago
Different forms of a given gene are known as
yulyashka [42]

Answer: alleles

Explanation:

Alleles are different forms of a given gene. Alleles are mutated forms of a given gene which controls a particular trait. For instance, the gene that codes for hemoglobin is denoted with the letter A but the gene has another variant denoted by S. In abnormal hemoglobin S (sickle hemoglobin), glutamate is replaced by valine at position 6 in the amino acid sequence of the two beta chains of hemoglobin. This change in the amino acid sequence causes the red blood cells to have a sickle shape resulting in sickle cell disease. Therefore hemoglobin A and S are alleles of a given gene.

6 0
3 years ago
Which of these would be the most helpful when identifying a mineral?
hodyreva [135]
All of them, they are all very important factors to test for the identifying
3 0
3 years ago
Read 2 more answers
Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable?
atroni [7]

Answer:

<u>d. Transport proteins within the membrane serve as a tunnel for molecules to enter the cell. </u>

<u />

Explanation:

Solutes are typically moved across the cell through either passive or active transport. The cells, surrounded by a bilipid layer or plasma membrane is amphiphlic- its polar, hydrophilic lipid heads face outwards, while their non-polar hydrophobic lipid tails face inwards towards each other.

While lipid-soluble molecules move across the layer easily, it is also difficult for charged and also large molecules to move across its surface, into the cell. Transmembrane channels, <u>embedded within the membrane</u>, help to maintain selective permeability as transport proteins, pores and gated channels. Simple diffusion happens as a method of passive transport in cells through plasma membranes.

The solutes travel through the plasma membrane in the process of diffusion from regions of high concentration to regions of low concentration; this occurs without the use of energy. <u>Molecules moving against their concentration require active transport mechanism to cross the membrane</u>.

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3 years ago
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