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Leto [7]
3 years ago
7

Which of the following best explains how the

Biology
1 answer:
maria [59]3 years ago
8 0

D

Paleontologists study and prove the change in form and functions of organisms throughout time in the fossil record.

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Hair color is a trait that’s controlled by many genes working together. Each gene contributes to this trait only in a small prop
omeli [17]

Answer:

tbh i think its D

Explanation:

i say its D cos why not and i dont have enough brain cells for this

3 0
3 years ago
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What is the function of DNA and where is it found in a eukaryote cell?
Mariulka [41]
Probably B would be the right answer
5 0
3 years ago
If you learn something while under the influence of caffeine, you recall it better when you are using caffeine again; this is kn
soldier1979 [14.2K]

Question options:

a. state-dependent memory

b. trait-dependent memory

c. context-dependent memory

d. the double blind

Answer:

a. state-dependent memory

Explanation:

State-dependent memory is the phenomenon in which memory recovery is most efficient when an individual is in the same state of consciousness as they were when the memory was formed. The state of consciousness produced by psychoactive drugs ( caffeine or alcohol).

8 0
3 years ago
When any of your body cells becomes infected with a pathogen, to what protein do the foreign peptides become attached that initi
ycow [4]

Interferons

Virally infected cells produce and release small proteins called interferons, which play a role in immune protection against viruses.

<h3>What are Interferons ?</h3>

Interferons prevent replication of viruses, by directly interfering with their ability to replicate within an infected cell.

  • They also act as signalling molecules that allow infected cells to warn nearby cells of a viral presence – this signal makes neighbouring cells increase the numbers of MHC class I molecules upon their surfaces

  • So that T cells surveying the area can identify and eliminate the viral infection.

Learn more about Interferons here:

brainly.com/question/26748113

#SPJ4

5 0
2 years ago
What is happening in this photo
Ostrovityanka [42]

Answer:

Bacteriophages are attaching to bacterial cell wall and injecting genetic material.

Explanation:

Bacteriophage:

A bacteriophage (bacteria eater) is a type of virus that infects bacteria. Bacteriophages are composed of genetic material (DNA or RNA) enclosed in a protein shell or capsid.

Following are steps of bacteriophage infection:

  1. Bacteriophage attaches to cell surface receptors on the surface of the bacterium.
  2. Depending upon the type of phage, the bacteriophage either injects its DNA or RNA into the bacterium or enters as a whole. In this image, the bacteriophage T4 is represented which injects its genetic material into the host cell.
  3. The phage's genetic material hijacks the cellular machinery of the host and replicates itself within the host.
  4. After replication, the phages burst open the bacteria cell and are released. This is called the lytic cycle of bacteriophage infection.
  5. In another type of infection cycle, called the lysogenic cycle, the bacteriophage genome gets incorporated into the host genome, known as a prophage. This prophage lies dormant.

* The second step of the infection cycle is pictured here.

4 0
3 years ago
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