BIOLOGY HIGH SCHOOL

Vitamins are specific organic compounds that are required in the diet to aid in digestion of :__________a) proteins.
b) provide essential amino acids.
c) prevent deficiency diseases.
d) provide fiber

Answers

Answer 1
Answer:

Answer:

c) prevent deficiency diseases.

Explanation:

Vitamins are essential and specific organic compounds that are required mainly in the diet to facilitate the digestion of protein, however, they are not categorized with amino acids and as such they can't provide essential amino acid.

Vitamins are categorized into fat soluble vitamins(A,D,E and K) and water soluble vitamins (B anc C). Vitamins provides several to hundred of roles, majorly they helps  to prevent deficiency diseases. Few of their roles are:

Vitamin A helps to prevent blindness. Food sources to obtain vitamin A include spinach, cod liver oil etc.

Vitamin D helps to maintain skeletal structure due to the calcium content embedded in Vitamin D. Therefore, lack of vitamin D can cause rickets.

Vitamin B-complexes e.g B-1 (thiamin) helps in synthesis of certain hormones,  B-2 (riboflavin) which asssists in breakdown of fats and energy production. It can be gotten from Milk, youghurt etc. Deficiency in these vitamin B-complexes can cause heart-related disease, skin disorders, anemia etc.

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A test cross with an organism with a homozygous recessive genotyperesults in 50% of the offspring exhibiting the recessive trait.
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III. Heterozygous
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Answers

The answer is heterozygous.

If it was crossed with homozygous dominant, then 100% of the offspring would show the dominiant trait. If it was homozygous recessive 100% of the offspring would have the recessive trait

I say C. III ONLY, because if you put this all out on a punnet chart that is the only one that comes out with a correct outcome, 50%, so I say it is heterozygous only, answer choice C!

Hope this helps, if not, comment below please!!!!

Which is the best response by the skin to a bleeding paper cut?minimize the flow of blood to the site
produce salt-filled sweat to get rid of pathogens at the site
initiate cell division
protect against UV light

Answers

The best response by the skin is to minimize the blood flow to the site. According to Dr.Anthony J. Mancini, a professor at Northwestern University Feinberg School of Medicine, in the blood there are proteins that creates clot and make a covering to protect the cut from foreign materials. Examples of these proteins are platelets and fibrin. This step happens within seconds immediately after you got a cut.

the answer is actually to initiate cell division i just took the test and missed it because i clicked minimize the flow of blood to site hope this helps :)

During a(n) _______________ change, a system absorbs energy from its surroundings.

Answers

Answer: Endothermic

Explanation:

An endothermic reaction occurs when energy is absorbed as heat,  while a reaction is exothermic when heat is released. Thereby, these type of reactions require external energy to proceed and heat is the reactant.

So, an endothermic reaction absorbs heat from the surrounding environment and stores that energy in the bonds of a new molecule formed, and this results in a decrease in temperature.

Enthalpy usually increases in endothermic reactions. However, a spontaneous endothermic reaction can occur if changes in entropy and enthalpy yield a negative Gibbs free energy.
endothermic (I have to fill in 20 characters so please ignore the parentheses)

Please I need this ASAP identify and describe three examples of internal and external factors that regulate cell division

Answers

Answer:

External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins..

The physical traits of an individual are inherited through information stored ____ in the ______.

Answers

the actual answer is

Chemically in the DNA

im 100% sure

Answer:

Chemically in The DNA

Explanation:

If you've been sitting in the hot Sun and start to sweat, your body responds from a _____. positive or negative feed back?

Answers

If you've been sitting in the hot sun and start to sweat, your body responds from a negative feedback.
The body responds from a negative feedback. Homeostasis is carried out in the human body under the principal of negative feedback, where changes are made in order to counteract the effect of a stimulus. For example, the stimulus is the sun and its effect is your body heating up. Therefore, by sweating, the body tries to reduce its temperature.
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