1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Igoryamba
3 years ago
10

How does the HaeIII enzyme discriminate between the C-G polymorphism in the TAS2R38 gene?

Health
2 answers:
valkas [14]3 years ago
8 0

Answer;

-HaeIII cuts at the sequence GG:CC which is found at nucleotide 143-146 of the TAS2R38 gene. A non-taster alley changes the sequence at position 145 from a C to a G. This makes the gene no longer recognized by the restriction enzyme.

Explanation;

-Restriction enzymes recognize and make a cut within specific palindromic sequences, known as restriction sites, in the genetic code. This is usually a 4- or 6 base pair sequence.

For example; HaeIII is a restriction enzyme that searches the DNA molecule until it finds this sequence of four nitrogen bases.

5’ TGACGGGTTCGAGGCCAG 3’

3’ ACTGCCCAAGGTCCGGTC 5’

Once the recognition site was found HaeIII could go to work cutting (cleaving) the DNA

Xelga [282]3 years ago
7 0

The HaeIII enzyme cuts at the GGCC sequence of the TAS2R38 gene. This sequence is generally present at 143-146 bps. The change in this sequence will lead to a change in the sequence, which won’t be determined by the enzymes. This non-recognition will lead to the absence of the excision.

Further Explanation:

Restriction enzymes work to cut the sequence of DNA at a suitable place by producing a sticky or a blunt cut. A few examples of restriction enzymes are as explained in the figure attached below.

Let us try and understand how exactly the restriction enzymes work;

  1. Suppose a restriction enzyme works on the AATT sequence and gives a cut between AA:TT.
  2. This enzyme, when introduced in the sample, will start working.
  3. The first step will be recognition.
  4. The enzyme will recognize a particular sequence and cut.
  5. In this case, a blunt cut will be introduced in the sample.

If there is a change in the sequence by any chance, the function of recognition will be affected. This will lead to non-recognition of the sequence, thereby rendering the incorporation of restriction enzyme not fruitful.

Learn more:

  1. Learn more about aerobic and anaerobic respiration <u>brainly.com/question/1544781 </u>
  2. Learn more about cellular respiration <u>brainly.com/question/543244 </u>
  3. Learn more about alcoholic respiration <u>brainly.com/question/7419007 </u>

<u> </u>

Answer Details:

Grade: College Biology

Subject: Biology

Chapter: DNA tools and techniques

Keywords:

DNA, Codon, amino acid sequence, restriction enzyme, HaeIII, GGCC, TAS2R38, gene.

 

You might be interested in
Which of the following terms is NOT used to refer to white blood cells?Which of the following terms is NOT used to refer to whit
Yuri [45]
<span>The correct answer is Platelet. Platelets are actually thrombocytes which are found in blood and are responsible for clotting the blood in case of an injury. They are recognizable easily for not having nuclei. T-cells, B-Cells and Phagocytes are all types of white blood cells because the differences between them are minor.</span>
5 0
3 years ago
Read 2 more answers
Imagine that you and your friend are discussing your health-related fitness levels.what assessments could you and your friend us
Marrrta [24]
One thing you could do in order to measure your cardiovascular strength, you can do a full sprint. In order to improve this you can swim, jog, run, body weight exercised, and a balance diet. 
4 0
3 years ago
Alissa is a long distance runner. She loves the feeling she gets about 4 miles into a run and she feels like she could just run
il63 [147K]

Answer: Endorphins

Explanation: Endorphins are chemicals secreted by the brain also known as neurotransmitters that send electrical signals inside the nervous systems.

The factors that initiate the secretion of endorphins are stress and pain.

When endorphins are secreted they reduce feelings of pains, and in runners that cause a phenomenon called " Runners high" which allows runners to keep running without feeling pain or stress.

5 0
3 years ago
The nervous system avoids muscle fatigue during submaximal contraction by
irina [24]

Answer:

B. Ashchronous recruitment

Explanation:

Asynchronous muscles are muscles that Don't have one-to-one relationship between electrical stimulation and mechanical contraction. Such muscles can be found in About 75% of flying insects and they have convergently evolved 7-10 times.

The synchronous muscles which is their counterparts contracts once per neural signal, but mechanical oscillations trigger force production in asynchronous muscles.

Hence the rate of mechanical contraction is an order of magnitude greater than electrical signals.

Although they achieve greater force output and higher efficiency at high frequencies, they have limited applications because of their dependence on mechanical strength.

The nervous system recruits the Ashchronous muscle to avoid muscle fatigue during submaximal contraction.

7 0
3 years ago
Imagine you are in a situation in which a patient shows up for an appointment on the wrong date and time. She is angry and is ce
prisoha [69]
Since she is there already, will try to accomodate her but make no promises. Just tell her “Lets see if there are some cancellations today”
U
3 0
3 years ago
Read 2 more answers
Other questions:
  • Which Transportation and Logistics workers most likely earn certifications and licenses?
    7·2 answers
  • Describe constraints on the ability to amend priorities and plans
    13·1 answer
  • what is the main reason that restaurants,offices,and other public places have separate areas for smokers?
    13·2 answers
  • Which word best describes the role of the therapist in the humanistic approach to psychotherapy?
    7·1 answer
  • The reproductive glands in the body are also known as the gonads.
    6·2 answers
  • Which of the following are risk factors for cardiovascular disease? Select the three correct answers. A. Sleep deficiency B. Hig
    11·1 answer
  • When you are finished running the bases, you are sweating and you feel thirsty. What body systems are interacting in this case?
    10·2 answers
  • All good relationships take work. True False
    10·2 answers
  • Which scenario would most likely lead to a higher level of physical fitness among people who live in a cit
    10·2 answers
  • What is the most likely cause of vitamin toxicity?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!