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Crazy boy [7]
2 years ago
7

Which statement is one component of the cell theory? A)All living and nonliving things consist of one or more cells. B)Cells and

living organisms are spontaneously created. C)Cells are the most complex unit of structure and function in living things. D)A cell is the basic unit of structure and function of all organisms
Biology
2 answers:
ANEK [815]2 years ago
4 0

Answer: The correct answer is D) A cell is the basic unit of structure and function of all organisms.

Cell theory was given by Schleiden and Schwann in 1839. According to this theory-

1) All life forms are comprised of one or more cells.

2) The cell is considered as a fundamental unit of structure and organization in all life forms.

3) Cells are formed from those cells that already existed before.




Cloud [144]2 years ago
3 0
<em>a)</em><em>All living and nonliving things consist of one or more cells.</em>
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Which of the following is an example of a negative feedback loop? Select one: a. Uterine contractions to expel a fetus during la
PtichkaEL [24]

Answer:

d

Explanation:

<em>The correct answer would be increasing heart rate to compensate for low cardiac output.</em>

The negative feedback loop is the mechanism that is utilized in the maintenance of homeostasis. They work by opposing the processes that bring about a deviation away from setpoints, that is, the normal range of operation of physiological processes in the body.

<u>For example, when the heart rate goes below the setpoint, the negative feedback loop swings into action through the sensor, the control center, and the effector to return the heart rate to the normal operating range.</u>

Correct option: d

6 0
3 years ago
Cells can make proteins that need to be transported out of the cell and moved to another part of the body. Cells also make carbo
alex41 [277]

Answer:

The proteins will be transported through exocytosis; the carbon dioxide will diffuse through the membrane.

Explanation:

Diffusion is the passive transport of substances down their concentration gradient. The process moves the substances from the region of higher concentration to that of lower concentration. CO2 is a small molecule and does not have any charge. Small, uncharged molecules can diffuse through the lipid bilayer of the cell membrane. Therefore, CO2 can exit a cell by simple diffusion.

On the other hand, proteins are too large to be transported by diffusion across the cell membrane. The proteins are transported by exocytosis. During exocytosis of proteins, membrane-bound vesicles are formed inside the cell. These vesicles carry proteins in them and are called secretory vesicles. The membrane of the vesicles fuse with the cell membrane of cells and transport the proteins outside the cell.  

6 0
3 years ago
Dna replication begins in areas of dna molcules called?
bija089 [108]
The origins of replication (ori). eukaryotes: lots of oris. prokaryotes: one ori
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3 years ago
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A company is debating whether to enter a new industry. The first order of business is to conduct an analysis of the five forces.
vlada-n [284]

Answer:

Option A, If the barrier for entry is low, and suppliers and buyers have strong bargaining power, the venture will most likely fail.

Explanation:

Complete question is as follows -

A company is debating whether to enter a new industry. The first order of business is to conduct an analysis of the five forces. Why is this a crucial first step in the decision-making process of entering a new industry?

a. If the barrier for entry is low, and suppliers and buyers have strong bargaining power, the venture will most likely fail.

b. If the barrier for entry is high, and suppliers and buyers have low power, the venture will most likely fail.

c. If the barrier for entry is low, and suppliers and buyers have high power, the venture will most likely succeed.

d. If the barrier for entry is high, and suppliers and buyers have high power, the venture will most likely succeed.

Solution

There are fiver forces which should be assessed while entering into new industry which are as follows -  

• Competitive rivalry- Markets with less competiveness are attractive but may not survive long while on the other hand market with high competitiveness reduce the power of new entrant

• Threat of substitute products – Customers may find substitute for the product and services offered by your company in lieu to the changing technology and science

• Bargaining power of buyers – Customers need to be offered with the most reasonable prices or else your business may not work out,

• Threat of new entrants – This always exists as there are lot of angle investor groups in the market that are making the competition fierce by funding the startups easily

• Bargaining power of suppliers – The number of suppliers must be high so that bargaining can be done for raw material and labor.

 Hence, option A is correct

3 0
3 years ago
A type of organism composed of one or more cells containing a membrane‐bound nucleus, specialized organelles in the cytoplasm, a
ivann1987 [24]
The answer: eukaryote
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