BIOLOGY HIGH SCHOOL

What is The mutation caused by the addition of a nucleotide to an already existing gene sequence called? A. deletion B.duplication C.insertion D. Inversion ??

Answers

Answer 1
Answer:

Answer:

Insertion

Explanation:

An example of this genetic disorder is the trisomy 21

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In what way can an economist use a production possibilities graph to express efficiency?
The alleles for eye color in fruit flies involves one allele that might contain the sequence CCAT. Assume that this allele produces red eyes in a fruit fly, because the allele produces a protein that makes red pigment. Assume that another allele of this gene has a slightly different sequence in the middle: CAAT, instead of CCAT.Which of the statements below is true about the alleles for eye color in fruit flies? Which of the statements below is true about the alleles for eye color in fruit flies? A) The alleles for eye color produce the same phenotype. B) The small change in the DNA sequence causes the allele to produce a different protein, resulting in the production of white eyes instead of red eyes in the fruit fly. C) Changes in the sequence of DNA bases in a gene do not contribute to genetic variation in the fruit fly population
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In 1783 Antoine Lavoisier showed that the heat produced by respiration was comparable to the heat produced when charcoal was burned. This experiment shows the similarity between respiration anda. boiling
b. combustion
c. ignition
d. melting

Answers

Answer: B. Combustion

Lavoisier’s oxygen theory of combustion was one of his most notable contribution to science and earned him the title of the “father of modern chemistry”. He recognized the combustible property of oxygen and that phosphorus and other metallic elements increased in terms of weight when burned.  

The answer is B: Combustion

What structure prevents food and liquids from entering the trachea? what structure prevents food and liquids from entering the trachea? glottis larynx vestibular folds epiglottis?

Answers

the epiglottis prevents food from entering the trachea

Final answer:

The epiglottis is the structure that prevents food and liquids from entering the trachea. It is a flap of tissue that blocks the entrance to the trachea when you swallow. The larynx, glottis, and vestibular folds are part of the throat but do not prevent food and liquid from entering the trachea.

Explanation:

The structure that prevents food and liquids from entering the trachea is the epiglottis. The epiglottis is a flap of tissue that sits at the base of the tongue. When you swallow, this flap blocks the entrance to the trachea, directing food and liquids down the esophagus and into the stomach, rather than into your lungs. The larynx, glottis, and vestibular folds are also part of the throat anatomy, but they do not have the primary function of preventing food and liquid from entering the trachea.

Learn more about Epiglottis here:

brainly.com/question/32834710

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Do neurons create synaptic connections between endrocrine glands?

Answers

The nervous system is wired whereas the endocrine system is not structurally linked. In other words, neurons are connected through a logical grid; glands are not. This makes the neural network speedy and efficient.

Which of the following statements justifies that meiosis is reduction division?A.
Meiosis results in the formation of gametes.
B.
Meiosis produces recombinant chromosomes.
C.
Meiosis begins with a diploid cell, but produces four haploid cells.

Answers

Answer:

C. Meiosis begins with a diploid cell, but produces four haploid cells.

Explanation:

C. Meiosis begins with a diploid cell but produces four haploid cells.

The statement "Meiosis begins with a diploid cell, but produces four haploid cells" explains why meiosis is a reduction division. The cell divides twice during meiosis, resulting in the creation of four daughter cells. These daughter cells are genetically distinct from the parent cell and contain half the number of chromosomes (haploid) as the parent cell.

The aerobic system starts producing energy during prolonged periods of light to moderate exercise.

Answers

According to a source, the answer is said to be true.

Aerobic system exercise lengthens the goal and procedural healthy lifestyle to an extent. To ensure that your goals for exercising are achievable and safe, first go see a doctor to make sure that handle physical exercise.  Next step is to define what you want to achieve by exercising and by doing so, you would know type of exercises you need.  If you are a beginner, train under a certified instructor to ensure you are doing it right. Exercise at a level that you can do.  Do not over train for it will do your body more harm than good.  Make sure you eat properly and get enough sleep so that your body can recuperate from such strenuous activity.  

the correct answer is true.

Acting in accordance with your own values, respecting yourself, and taking responsibility for your actions and your health is a sign that you _______. are book smart

are self-confident

have a high IQ

have a high grade point average

Answers

are self confident .
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