BIOLOGY HIGH SCHOOL

Which of the following is not covered by skin?-mouth
-intestines
-bones
-stomach

Answers

Answer 1
Answer: Your mouth, of course.
Answer 2
Answer: I think it would be intestines

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4. Hemophilia is an inheritable genetic disorder that prohibits the proper formation of blood clots. The recessive gene that causes hemophilia is located on the X-chromosome. Given this information, which of the following statements is true?a. In order for a male offspring to be a hemophiliac, his mother must be a hemophiliac. b. In order for a female offspring to be a hemophiliac, her father must be a hemophiliac. c. In order for a male offspring to be a hemophiliac, his father must be a hemophiliac. d. In order for a female offspring to be a hemophiliac, her mother must be a hemophiliac.
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What two components are often found as part of an enzyme?

Answers

The two components that are often found as part of an enzyme are as follows:

  • A part of the globular protein is known as apoenzyme.
  • A part of non-protein is known as a cofactor or prosthetic group.

What are Enzymes?

An Enzyme may be defined as a form of chemical substance which is produced by living organisms that acts as a catalyst to bring about a specific biochemical reaction inside the body of a living entity.

All enzymes are proteins that are made up of monomers of amino acids which are linked together by a peptide linkage. The presence of both proteinaceous and nonprotein makes an enzyme called a Conjugate enzyme or holoenzyme.

The protein part of the holoenzyme is inactive, while the nonprotein part called the cofactor is required for the catalytic function of the enzyme.

Therefore, the two components of an enzyme are a protein part known as apoenzyme, and a non-protein part known as a cofactor or prosthetic group.

To learn more about Enzymes, refer to the link:

brainly.com/question/11678128

#SPJ6

protein

non-protein, also called a cofactor

Explain the role of platelets in the blood and their lifespan.

Answers

Answer:

The average lifespan of a platelet is normally just 5 to 9 days. Platelets are a natural source of growth factors. They circulate in the blood of mammals and are involved in hemostasis, leading to the formation of blood clots. Platelets release thread-like fibers to form these clots.

Spoon-shaped, quill-shaped, spider-like, and thread-like flowers all describe varieties of A. gerbera.
B. daffodils.
C. chrysanthemums.
D. lisianthus.

Answers

Spoon-shaped, quill-shaped, spider-like, and thread-like flowers all describe varieties of chrysanthemums. 

Saltwater is denser than freshwater what ecosystem would be most affected by this fact

Answers

The most affected ecosystem is the estuary because it mixes salt water and freshwater. An estuary is the mouth of a river where tides and stream meet. It forms a transition zone for marine environments and river environments. The fact about the density will affect those organisms that lives in the estuary because they will have to adopt in the mixture of the two densities.

Sporopollenin, found in the _____, protects the pollen grain against UV radiation, dehydration, and pathogen attack.

Answers

Answer: Exine of pollen grain

"Motor end plates" are associated with: (Multiple Answers) dendrites axon muscle contraction sensory neuron transmitter chemicals synapse

Answers

Motor end plates are associated with muscle contraction definitely, and I would say also neuron transmitter, although I'm not sure about that one.

axon muscle contraction and transmitter chemicals

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