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3 years ago

How do allosteric enzymes activate and inhibit chemical reactions in a living organism?

Biology

1 answer:

pychu [463]3 years ago

6 0

Answer:

Allosteric activators bind to locations on an enzyme away from the active site, inducing a conformational change that increases the affinity of the enzyme's active site(s) for its substrate(s). Allosteric inhibitors modify the enzyme's active site so that substrate binding is reduced or prevented.

Explanation:

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If a person who is lactose intolerant drinks large amounts of milk in a short time, the lactose reaches the large intestine wher

Gelneren [198K]

Answer: Lactose intolerance is caused by a deficiency of the intestinal enzyme lactase that splits lactose into two smaller sugars, glucose and galactose, and allows lactose to be absorbed from the intestine.

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3 years ago

What three biomes get the warmest

Molodets [167]

The answers is tropical dry forest, tropical savanna, and temperature grassland.

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3 years ago

When it comes to something like food preferences, how do genetics and the

k0ka [10]

1. Genetics and environment influence the trait as it depends upon the adaptation made according to availability and environment.

2. Traits are passed onto either parents after fertilization when 2 genes from either parent is received.

3. Dominant trait is responsible for the phenotype of the individual.

4. The expression of gene is seen by the phenotype expressed depending upon the environmental factors.

Explanation:

The food preferences are based on the traits adapted over the time for digestion and method of eating due to natural selection. The occurrence of beneficial trait for digestion become common in the population as these traits are transferred for better survival and evolution.

The traits in an organism is passed on from parents. During fertilization one allele from each parent is passed onto the progeny. 2 alleles together are called gene. In the process of meiosis only one chromosome is present in germ cell hence no homologous chromosome thus only one allele for the trait is present in each parent.

The alleles of dominant trait mask the effect of recessive alleles during phenotype expression. According to law of complete Dominance the dominant trait gets expressed and recessive trait do not get expressed.

The temperature, external environment, chemicals, light factor, diet etc influences the expression of genes in certain organisms. The effect of these can be seen on the phenotype of the organism.

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3 years ago

A client has undergone a left hemicolectomy for bowel cancer. Which activities prevent the occurrence of postoperative pneumonia

Hunter-Best [27]

The measurable activities like Coughing, breathing deeply, frequent repositioning, and using an incentive spirometer are for preventing postoperative pneumonia. Hence, Option C is correct.

<h3></h3><h3>What is postoperative pneumonia?</h3>

Pneumonia is caused by Streptococcus pneumoniae and Haemophilus influenzae leads to infection of the alveoli of lungs.

This type of pneumonia is a rare medical condition happens after local anesthesia has been given to a patient.

The primary causes are the amount of anesthesia given, poor handling of chemicals, the type of anesthesia given to the patient.

To prevent the occurrence of postoperative pneumonia are medicating the patient and use of incentive spirometer. Hence, Option C is correct.

Learn more about pneumonia, here:

brainly.com/question/15159868

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Your question was incomplete, so the probable question was

A client has undergone a left hemicolectomy for bowel cancer. Which activities prevent the occurrence of postoperative pneumonia in this client?

A. Administering oxygen, coughing, breathing deeply, and maintaining bed rest

B. Coughing, breathing deeply, maintaining bed rest, and using anincentive spirometer

C. Coughing, breathing deeply, frequent repositioning, and using anincentive spirometer

D. Administering pain medications, frequent repositioning, andlimiting fluid intake

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2 years ago

What is the function of the ventral hypothalamic neurons?

natulia [17]

<span>Controls essential physiological and behavioural processes. These neurons are seen in hypothalamus, a part of brain contaning small nuclei. Hypothalamic neurons are positioned on the ventral part of forebrain. They respond to neural and physiological signals by producing neurotransmitters and peptide neuromodulators.</span>

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4 years ago

How do allosteric enzymes activate and inhibit chemical reactions in a living organism?​

How do allosteric enzymes activate and inhibit chemical reactions in a living organism?