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r-ruslan [8.4K]
3 years ago
11

P53 is a protein that blocks the cell cycle if DNA is damaged. It binds to cyclin and cdk, blocking entry into S phase. If the d

amage is severe, this protein can cause apoptosis or cell death. Exposure to smoke, especially from smoking directly, is one of the most frequent causes of mutations to p53. When fluid from the lungs of smokers is analyzed, it often contains cells with p53 mutations.
What is the MOST LIKELY relationship between p53 mutation and the development of lung cancer?

A) p53 mutations would cause more lung cells to die.

B) p53 mutations would cause uncontrolled cell growth.

C) p53 mutations would prevent damaged cells from dying.

D) p53 mutations cause cells to enter M phase more frequently.
Biology
2 answers:
-Dominant- [34]3 years ago
8 0
The answer is C, p53 acts as a tumor suppressor by regulating the cell cycle. If the p53 is damaged then it would lead to uncontrollable growth.
poizon [28]3 years ago
6 0

Answer:

c

Explanation:

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In the ______________ process of DNA replication, each of the single strands becomes a double strand as an enzyme connects the a
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rebuilding

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When a _____ is inherited from either parent, the offspring will inherit the genetic characteristic.?
vitfil [10]
I'm thinking dominate gene
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He light colored rock pocket mice in New Mexico blend in with the sandy soil of the area, but on darker lava flow, the light col
fiasKO [112]

<u>Answer</u>: option B they have a random gene mutation that affects their fur colour.

<u>Explanation</u> :-

  • <em>Variation</em> is the phenomena which occurs in all populations.
  • These variations result in slight differences in the phenotypes of individuals .
  • These variations only arise due to <em>random mutations </em>that arise in the individuals’ genome and then can be inherited by their offspring.
  • There is always a probability of one particular trait to make the individuals survive better in the environment as compared to other trait.
  • The individuals having the trait that helps them to survive better in the environment tend to survive more and leave more progeny. This is termed as <em>survival of the fittest</em>.
  • Thus, according to the question it can be inferred that the dark fur colour arose due to a <em>random mutation </em>since it is the only source of variation. Since, in the given environmental conditions the mice having the dark fur colour were less susceptible to the predators they are better fitted to survive.
  • The dark brown fur coat mice, survive better, leave more progeny and hence, increase their population with time. However, the orginal source of origin of this trait was a random mutation. Had this mutation not occured, the dark coloured fur mice would not have been there.

So, a <em>random gene mutation affecting the fur colour made the dark coloured mice first appear in the population.</em>

6 0
3 years ago
Read 2 more answers
BRAINLIESTTT ASAP!!!
Gnom [1K]

B.

I'm pretty sure because, chemicals and pesticides can easily make insects more immune. So therefore the average pesticides will no longer work on them but also some may not be affected by the solutions.

6 0
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Case 12-2 Mother Goose Computing, Inc. provides computational biology consulting services. They are currently updating several o
Reil [10]

Answer:

Direct.

Explanation:

An information system can be defined as a set of components or computer systems, which is used to collect, store, and process data, as well as dissemination of information, knowledge, and distribution of digital products.

Generally, it is an integral part of human life because individuals, organizations, and institutions rely on information systems in order to perform their duties, functions or tasks and to manage their operations effectively. For example, all organizations make use of information systems for supply chain management, process financial accounts, manage their workforce, and as a marketing channels to reach their customers or potential customers.

Additionally, an information system comprises of five (5) main components;

1. Hardware.

2. Software.

3. Database.

4. Human resources.

5. Telecommunications.

Hence, an information system interacts with the overall system by receiving data in its raw forms and information in a usable format.

In this scenario, Mother Goose Computing, Inc. are currently updating several of their systems. For the genomics division, it's planning to replace the old system by the new one all at once. Thus, this is called a direct conversion.

Direct conversion can be defined as a process which typically involves the establishment and implementation of a new system followed by an immediate discontinuation of the old system all at once. Thus, on a particular date and time, the old system would be discontinued while the new system is immediately adopted for use in the particular organization.

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