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valkas [14]
3 years ago
10

What is a tissue depth marker​

Biology
1 answer:
motikmotik3 years ago
7 0

A Tissue depth maker is Osteometric markers are landmarks that are attached to the skull and indicate the depth of tissue at a number of points across the face. ... The markers are often small wooden or plastic pegs and may be glued or screwed to the skull.

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jeyben [28]
The word below Is the answer
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3 years ago
3. What basic concept of biology includes the idea
Dafna1 [17]

Answer:

It would be the cell theory

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The role that p53 protein plays in suppressing inappropriate progression through the cell cycle depends on all of the following
irinina [24]

Answer:

a. p53 activates transcription of WAF1.

Explanation:

<u>WAF1 transcription occurs independent of p53 during oxidative stress so p53 does not play any role in cell cycle arrest in the signaling pathway which involves WAF1 . </u>

In rest of the mentioned options, p53 plays a role directly or indirectly. During double stranded lesion in DNA in G1 phase, a sensor protein known as ATM binds the DNA lesion site. ATM is a serine/threonine kinase which phosphorylates another kinase known as chk2. After phosphorylation,<u> chk2 stabilizes transcription factor p53.</u> p53 further acts as a transcription factor for the synthesis of a protein known as p21 which inhibits G1 phase specific CDK and ultimately cell is arrested in G1 phase. The cell remains in arrested state until the DNA lesion is fully repaired. <u>Hence, p53 indirectly blocks G1 to S transition with the help of p21. </u>

As such <u>WAF1 transcription factor involving pathway</u><u> </u><u>also requires p21 protein for causing cell cycle arrest but in this pathway p21 is not synthesized with the help of p53. </u>

5 0
3 years ago
1. What is probability?
ozzi

Answer:

Probability is the likelihood or chance of an event occurring. Probability = the number of ways of achieving success. the total number of possible outcomes.

Explanation:

3 0
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Read 2 more answers
Penicillin was widely used to:
Ipatiy [6.2K]
Penicillin [antibiotic] was widely used to:
B) treat soldiers during World War 2 (1940s-current)

*smallpox is a virus and not affected by antibiotics
*diabetes is not an infection, therefore antibiotics won't play a role
*plague and middle ages are CENTURIES before discovery of antibiotics
6 0
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