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LiRa [457]
3 years ago
15

Studying a picture of a cell taken with an electron microscope, you find that the cell has no nucleus and no mitochondria, but i

t does have a cell membrane. You conclude that the cell is probably from a(n) * 1
Biology
1 answer:
Mkey [24]3 years ago
8 0

Answer:

Prokaryote.

Explanation:

Prokaryotes lack a nucleus and mitochondria. They do, however, have a cell membrane.

<em>Hope this is correct. Good luck on your studies!</em>

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Which structure, If cut off, will hamper sexual reproduction in fungi?
Lisa [10]

Answer:

Fruiting body,  If cut off, will hamper sexual reproduction in fungi.

<u>Explanation:</u>

Fungi are of unicellular, multinucleate, and multicellular. They can be classified based on their reproductive spores and their multinucleate or multicellular filaments nature that can be called as hyphae. The sporocarp  that is also named as fruiting bodyor fruit body is a multicellular structure in which the spore-producing structures, like basidia or asci, are born.

The fungi consist of spores in the fruiting bodies, that are dispersed for reproduction process. Mushrooms common instance of a fruiting body. These are formed from hyphae, that are smaller threads that usually forms the bulk of fungi. The term mycelium that describes a  hyphae network will be extending in all directions through the soil. Hence, when Fruiting body is cut off it will hamper sexual reproduction in fungi because there are many hyphae with which Fruiting body can be formed.

3 0
3 years ago
A chemical has an amine group and an organic acid group (carboxyl group). It does not however, have any peptide bonds. It is
777dan777 [17]

Answer:

An amino acid

Explanation:

Amino Acid:

  • An amino acid, the building block of a protein, is a biomolecule that contains the amino (-NH3+) and carboxylate (-COO−) groups.
  • Amino acids also contain an organic R- group that defines the properties of the amino acid.
  • R-groups classify amino acids into different categories such as non-polar, polar, acidic and basic.
  • The carboxyl group of an amino acid combines with the amino group of another amino acid to form a covalent amide bond or a peptide bond.
  • Amino acids form polypeptides by the formation of peptide bonds.
8 0
3 years ago
Why is it likely that MOST speciation is allopatric?
LenKa [72]

Answer:

e. Because gene flow between populations prevents genetic divergence in sympatry.

Explanation:

Speciation requires genetic divergence between populations of a species to isolate them reproductively. however, when present in the same habitat, gene flow between populations of a species does not allow their reproductive isolation and thereby, prevents the formation of new species. These populations need strong episodes of disruptive selection for their reproductive isolation.  

On the other hand, two geographically isolated populations can not interbreed and thus, there is no gene flow between them leading to their genetic divergence and speciation. So, allopatric speciation is more common than sympatric one.  

6 0
4 years ago
Please answer 1 &amp; 2 questions
salantis [7]

Answer:

The two prokaryotic domains are Archaea and Bacteria.

The eukaryotic domain is Eukarya.

Both prokaryotic and eukaryotic are similar in which they have a plasma membrane and cytoplasm; meaning all cells have plasma membrane surrounding them. A difference between Eukaryotic and Prokaryotic is that eukaryotic have organelles, for example, a nucleus. Prokaryotic cells do not have a nucleus.

7 0
3 years ago
A _____ IS CUT PART OF STEM WHICH IS PLACED ON A STOCK (ANOTHER ROOTED STEM)
Nitella [24]

Answer:

Explanation:

SCION is the answer.

Hope it helped you.

3 0
3 years ago
Read 2 more answers
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