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AnnZ [28]
3 years ago
10

Why are all viruses obligate parasites?

Biology
1 answer:
ollegr [7]3 years ago
5 0

Answer:

All viruses are obligate parasites; that is, they lack metabolic machinery of their own to generate energy or to synthesize proteins, so they depend on host cells to carry out these vital functions.

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Which statement does not explain the concept of the Doppler effect ?
sesenic [268]

Answer:

Doppler effect is a change in frequency and wavelength of a wave. It is caused by the change in distance between the thing creating the wave (causer) and whatever is measuring seeing or hearing the wave (watcher or observer). Another word for "causer" is "sender".

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3 0
3 years ago
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How are lysosomes and vacuoles the same? How are they different?
Ber [7]
They both are encased organelle compartments inside a cell but A vacuole is the vesicle found within a cytoplasm of a cell. The vacuole contains some fluid. A lysosome, on the other hand, is an organelle found within the cytoplasm of eukaryotic cells.
4 0
3 years ago
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Camouflage helps predators to survive by hiding them from what
Alborosie

Answer:

Organisms use camouflage to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey. ... The physical characteristics of the organism are important. Animals with fur rely on different camouflage tactics than those with feathers or scales, for instance.

Explanation:

3 0
3 years ago
Part II: For each of the genotypes below, determine what phenotypes would
Troyanec [42]

Answer:

4. Brown

5. Brown

6. Blue

7. Long

8. Long

9. Short

Explanation:

Dominant alleles are always expressed when they are present. Recessive alleles are masked by dominant alleles.

Therefore, two copies of a recessive allele are required to show the recessive trait. Either one or two copies of a dominant allele produces the dominant trait.

Therefore, for dominant brown eyes, BB or Bb gives brown eyes, bb gives blue eyes.

For recessive long tails, tt gives short tails, TT and Tt gibe long tails

7 0
3 years ago
Mangrove forests play an important role in _______. A. Fisheries b. Coastal protection c. Wildlife habitat d. All of the above P
iris [78.8K]

Answer: the answer is D.

Explanation:I got it right on edge

8 0
2 years ago
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