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zaharov [31]
3 years ago
13

Which is NOT part of the Cell Theory? A) All cells come from existing cells. B) Microscopic organisms are not made of cells. C)

All living things are made of one or more cells. D) Cells are the basic unit of structure and function in living things
Biology
1 answer:
Lady_Fox [76]3 years ago
5 0
I think the answer is b

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Which of the following molecular motors is associated with intermediate filaments?
azamat

Answer: d. none of the other answers

Explanation:

Enzymes that turn chemical energy into mechanical work are molecular motors.

There are three main components of cytoskeleton including microtubules, actin filaments and Intermediate filaments. Only actin  filaments and microtubules carry the motor-driven transport on the cytoskeleton.

The most important feature of intermediate filaments is to provide the plasma membrane with mechanical support where it comes into contact with the extracellular matrix and other cells.

Unlike microtubules and microfilament , intermediate filaments are not involved in motility of the cells, hence do not associat with molecular motors.

Hence, the correct option is d.

3 0
4 years ago
Which unit of measurement best matches the size of microorganisms
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Answer:

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8 0
3 years ago
Considering the body’s organization from atoms to organ systems, in which level of organization are proteins like collagen? Desc
storchak [24]

Answer:

According to the levels of organization in the body, the level of organization in which proteins, like collagen, are found is the molecular level, allowing the structural support and the performance of other essential functions.

Explanation:

Proteins are biological macromolecules, polymers of units called amino acids. These molecules belong to the molecular level of organization in living organisms.

The level of organization where proteins are found allows them:

  • <em>Form an essential part of cells.</em>
  • <em>Contribute to the construction of tissues and organs.</em>
  • <em>Participate in metabolic reactions, as enzymes. </em>
  • <em>Defense of the organism, in the form of antibodies.</em>
  • <em>Regulation of vital functions, forming hormones.</em>

Other functions of proteins are to integrate the cell membranes and perform transport function, to form receptors and to be an energy reserve.

7 0
4 years ago
What is unequal reproductive success ​
tangare [24]
Unequal reproductive success - Accumulation of favorable traits over time. Unequal reproductive success. heritable traits best suited to the local environment are more likely to survive and reproduce. Accumulation of favorable traits over time.
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3 years ago
What happens to an ecosystem if its river is destroyed
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Answer:

the earth will eventually crack amd form a new river and the clouds will precipitate and cause water for the stream of the river

3 0
3 years ago
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