BIOLOGY HIGH SCHOOL

A specific type of bacteria reproduces through binary fission every two hours. If there are seven bacteria, to begin with, how many bacteria will there be after four hours?

Answers

Answer 1
Answer:

Answer:

28

Explanation:

Binary Fission basically means each bacteria splits into two. So after the first two hours, the 7 bacteria split into 14. After the next two hours, the 14 bacteria each split and the end result is 28 bacteria.
Answer 2
Answer:

Answer:

28

Explanation:

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What two components are often found as part of an enzyme?

Answers

The two components which are often found as part of an enzyme are Active site and protein. Proteins are referred to as macromolecules or macromolecules which consists of more or one of a chain of amino acid residue. They do perform an array of functions which are within organisms. For example, DNA replication, responding to stimuli, catalyzing the metabolic reaction. An active site is referred to as the region of an enzyme where substrate molecules bind and also they undergo a chemical reaction. They contain of residues which form temporary with the substrate and also catalytic site which catalyzes a reaction.

Answer:

Protein (the apoenzyme) and active site (cofactor) is the correct answer.

Explanation:

The two components are often found as part of an enzyme are

Protein (the apoenzyme)

  • proteins increase the rate of reaction that takes place within the living organism.
  • proteins consist of one or more chains of amino acids that make macromolecules.
  • They perform important functions within the organism such as proteins function is to catalyze the reactions that are necessary to our metabolism.

Active site (cofactor)

  • Active site:is the site where the enzyme binds with the substrate to initiates the reaction.

Which of the following statements about cotransformation is true?A. Unlinked genes are passed simultaneously from one cell to another.
B. Two bacterial cells within a culture are transformed by the same genetic material.
C. A bacterial cell receives two adjacent genes on a single piece of DNA from the medium.
D. It is not uncommon for the entire bacterial chromosome and F factor to be passed from one cell to another.

Answers

The answer is C.

Hope this helps ;-)

Describe the meaning of leukemia,its causes and concequences and how it can be treated

Answers

Answer:

Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system. Many types of leukemia exist. Some forms of leukemia are more common in children. Other forms of leukemia occur mostly in adults. Leukemia usually involves the white blood cells.

Which force brought together the material from the nebula to form the solar system? A. electromagnetism B. strong nuclear force C. weak nuclear force D. gravity

Answers

According to the nebula theory, it would be gravity.
force that brought together the material from the nebula to form the solar system is D) gravity.

True or faulse organic fat will not dissolve in water

Answers

Answer: True.

Explanation:

Organic fats are nonpolar molecules, while water is a polar molecule.

Since fats do not have any polar part in its structure, to be dissolved in water they would have to break some of water's hydrogen bonds. But this does not happen, so the fat is forced to stay separate from the water. This means nonpolar molecules are repelled by water and do not dissolve in it. They are hydrophobic compounds. So the lipids just float in the water without blending into it.

False. It can and will dissolve in water.

When joints are not regularly moved through their entire range of motion, muscles and ligaments eventually _____. a. shorten b. lengthen c. degenerate d. bend

Answers

Answer:

a. shorten

Explanation:

Inability or failure for joints to move through their entire range of motion is caused by constrictions. These constrictions often results when the excess adipose tissues that surrounds the muscles and ligaments are not in required adequate proportion. These constrictions can be caused by ageing, fatigue, muscular diseases etc. As a result of these constriction in the joints, let say for example, the knee joint, the muscle and ligaments tends to shorten in length.
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