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telo118 [61]
3 years ago
14

Does anyone know this? Please help! Due in 45 min

Biology
2 answers:
koban [17]3 years ago
6 0

Answer:

D. l,ll, and lll

Explanation:

Hope this helps!

Vlada [557]3 years ago
3 0

Answer:

I think it's A tell me if it's wrong

hope it helps

have a good day :)

Explanation:

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Bacteria have different phage resistance mechanisms, such as spontaneous mutations, the CRISPR-Cas system.

Spontaneous mutations are the main mechanisms leading to phage resistance by altering the structure of bacterial wall components that act as phage receptors. These include lipopolysaccharides (LPS), outer membrane proteins, cell wall teichoic acids, capsules, and other bacterial components.

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3 years ago
List the 6 possible genotypes of the four blood types. Identify the parentalgenotypes that could produce children with blood typ
ziro4ka [17]

Answer:

The different possible genotypes are AA, AO, BB, BO, AB, and OO. These are derived according to the A, B and O blood group model.

The table is given below:

Blood Type Genotype

Blood Type A Genotypes AA or AO

Blood Type B Genotypes BB or BO

Blood Type AB Genotype AB

Blood Type O Genotype OO

The alleles A and B exhibit a greater dominance than O. This is the reason why the Parent of Blood type A will form the Genotype AO.

8 0
3 years ago
Byron’s car skidded across the rain-slicked road, into oncoming traffic. He was able to regain control and avoid an accident. As
andre [41]

Answer:

Parasympathetic nervous system

Explanation:

Parasympathetic nervous system (PNS) along with sympathetic nervous system (SNS) makes autonomic nervous system (ANS). ANS controls the functioning of internal processes like digestion rate, heart rate, respiratory rate etc. During a threat or stressful situation SNS is activated. It increases heart rate, respiratory rate and directs blood flow towards peripheral muscles as a part of "fight or flight response". When the situation becomes normal, PNS is activated which restores all the vitals as a part of "rest and digest" mechanism.

Since here Byron almost got into an accident, he was scared a lot due to which his SNS was activated. Eventually when he realized that he is out of danger, his PNS got activated which returned his heart rate and blood pressure to normal levels.

4 0
3 years ago
A student reads in a newspaper that the soil in his area contains high levels of arsenic. Based on this information, he believes
Anna71 [15]

Answer: D. His conclusion is flawed because he did not test the students to see if their bodies contained metal arsenic.

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According to the given situation, student has tested seven different areas around the school to determine the presence of arsenic in the soil and also found the presence of arsenic in the school system. But has not studied the presence of arsenic in the students to support the fact that the school students are also affected by arsenic. So, conclusions based on the presence of arsenic in the soil and the system is inconclusive for the present study.

4 0
3 years ago
In the first 4-10 days of embryonic development, where does the energy come from to drive the process
Softa [21]
The answer is from the fertilized egg hope you do well and have a great day friend! :)
6 0
3 years ago
Read 2 more answers
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