2. Which type of microscope can produce three-dimensional images of a cell’s surface? (1 point)

1 answer:

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2. This type of microscope is called a scanning electron microscope. 3. The difference between these two cells are that one has a nucleus and the other one doesn't. A eukaryotic cell has a nucleus and a prokaryotic does not.

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Cell theory states:

kkurt [141]

For the 1st one I would say C as it says Cells are the smallest form of life, for the 2nd one I would say C because the others all have animal which doesn't have cell wall, 3rd is A

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Why does active transport require energy to move molecules of a substance across a cell membrane?

Fed [463]

Answer:

The substance moves from low to high concentration, against the concentration gradient.

Explanation:

When molecules move from high to low concentration, it is known as Diffusion. It moves with the concentration gradient and does not require energy.

However, when molecules move from low to high concentration, it is against the concentration gradient and cannot proceed without Energy. This process is called Active transport.

Cell membrane is not thick, it is thin and semi permeable.

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Cod fry often settle under the bell of some jellyfish species, whose tentacles are poisonous. Name the form of relationship illu

bixtya [17]

Answer:

Explanation:

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2 years ago

At the conclusion of a unit about reliable source material and contemporary journalism, a teacher asks her students to write two

denis23 [38]

Answer:

Analyze

Explanation:

Bloom's Taxonomy is a method of classifying learning from complex to specific. Mostly represented as a pyramid from bottom to top is remember, understand, apply, analyze, evaluate and create.

For this example of a "fake news" story the tier of "Analyze" is applicable since it will require the use of judgement, and comparing and contrasting as well as discernment skills.

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Which of the following are homogeneous solutions

ser-zykov [4K]

Salt water
sand and water
vinegar

this next one is for CEMENT

Concrete is a heterogeneous (composite) material consisting of cement, water, fine aggregates and coarse aggregates. ... Otherwise it is a heterogeneous material.Cement may be called a homogeneous material. But concrete is not.

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