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aleksandrvk [35]
3 years ago
5

What kind of cells can secrete substances at the epithelial surface?​

Biology
1 answer:
kogti [31]3 years ago
5 0

Answer:

Epithelial cells

Explanation:

Epithelial cells are cells that secret mucus to prevent friction between organs. Like between the Heart and Lung.

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Which of the following characteristics of living things could be applied to an automatic door at a supermarket?
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C. living things respond to stimuli in the environment
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Linnaeus' concept of kinds differed from ours today in holding that:_______
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Answer is D. Variation does not exist within a kind.

Explanation:

Linnaeus is regarded as the father of classification. This is because, his method or system of classifying and naming of organism, known as taxonomy, is still relevant up till today.

He formulated the binomial nomenclature, which is the modern system of naming organisms.

Linnaeus system includes domain, kingdom, phylum, class, order, family, genus and specie.

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Structure,of a compaund microscope and it's parts and functions​
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Compound microscopes have more than one lens to generate high magnification images of flat, thin specimens. There are three major structural parts of a microscope: Head, Base, and Arm. ... The light is then collected and formed an image by an objective lens. We see the magnified images through the eyepiece

Explanation:

3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
Len [333]
<span>The trick here is to understand the definition of each of the cellular transport or function mechanisms listed. These are some interesting (and strange) analogies!

Facilitated Diffusion
This is when a mechanism assists in diffusing (spreading) some material into an environment. The dog on the wagon going through a spring loaded door would shoot it out into the environment. This is an odd analogy but Point 3 would be the one.

Active Transport 
Is when energy is expended to transport molecules somewhere against a concentration gradient or some other barrier. Examples include transporting molecules across a cell wall. The best analogy is the dog being dragged into a bathtub (Point 1).

Phagocytosis 
This is when a larger cell consumes a molecule often like eating. This matches to point 2 - the child eating the doughnut.

Passive Diffusion
Is when a concentration of molecules naturally diffuse into an environment. This suits point 5 - the crowded room full of people.

Pinocytosis
Is the budding of cell membranes to consume liquid in the surrounding environment. I guess a woman drinking tea is the closest analogy listed (Point 4).</span>
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If scientists want to solve an environmental problem they are most likely to use ?
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