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maria [59]
2 years ago
13

What do you understand by the term cell diversity

Biology
1 answer:
ioda2 years ago
4 0

Answer:

cell type diversity refers to range of different cells types that comprise a tissue organisms cell type diversity during the diploma of the nervous system as a result of act of the cell instructing and extractic factors controlling sulphate determination hope the answer will be helpful for

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A scientific observation is different from a inference. An inference involves a degree of probability that an scientific observa
SpyIntel [72]

Answer:

C) An inference is a prediction based on new knowledge that you acquire from research.

Eliminate.

Explanation:

ikk..........

5 0
3 years ago
The outer periphery of the intervertebral disk is composed of strong fibrous tissue called the:
mamaluj [8]
The outer periphery of the inter-vertebral disk is composed of strong fibrous tissue called the Annulus fibrosus. This is a tough circular exterior of the inter-vertebral disc that surrounds the soft inner core, the nucleus pulposus. The outer portion is composed of a ring of ligament fibers that encases the inner core of the disc and securely connects the spinal vertebrae above and below the disc.
5 0
3 years ago
Why can't both strands of DNA be replicated at the same time?
saw5 [17]

Answer: DNA is a molecule made up of two strands, twisted around each other in a double helix shape. The two strands are complementary which have a 5 prime end and a 3 prime end. To understand this question you must first understand the steps that follow.

DNA Replication:

<u>Step one: </u>

DNA Helicase (unzips) separates the strands.

<u>Step two:</u>

DNA Primase starts the process and makes a small piece of RNA called a primer. This marks the starting point for the DNA.

<u>Step three:</u>

DNA Polymerase binds to the primer and will make the new strand of DNA. DNA Polymerase can only add DNA bases in one direction, from the 5 prime end to the 3 prime end.

  • The leading strand is made continuously.
  • The lagging strand does not run continuously because it runs in the opposite direction. Each fragment is started with an RNA primer. DNA Polymerase then adds a short row of DNA bases from the 5 prime to 3 prime direction. This results in okazaki fragments because it can only replicate in small chunks. The process is repeated.

<u>Step four:</u>

Once the new DNA is complete the enzyme exonuclease removes all the RNA primers from both strands of DNA.

<u>Step five:</u>

Another DNA Polymerase fills in the gaps that are left behind with DNA.

<u>Step six:</u>

DNA Ligase seals up the fragments in DNA, in both strands to make a continuous double strand.

<u>Final answer:</u>

DNA Replication cannot replicate at the same time due to the leading and lagging strand.

Good luck!

7 0
3 years ago
Which of the following exists as a single, self-supporting cell that travels using numerous hairlike cilia?
NeX [460]

Answer:

amoeba i think i might be wrong

Explanation:

7 0
3 years ago
Read 2 more answers
Why do you think it’s important to preserve robber crabs?
Andre45 [30]
Preserving them will ensure that poachers will not hunt them and their habitat will not be destructed
5 0
3 years ago
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