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Marat540 [252]
3 years ago
5

What are constants in an experiment

Biology
1 answer:
Kitty [74]3 years ago
7 0
They are variables that cannot be changed or are purposefully not changed in an experiment.
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Ou are told that the cells on a microscope slide are plant, animal, or bacterial. You look at them through a microscope and see
grandymaker [24]

Answer:

The correct answer is c) are plant cells.

Explanation:

The cells cannot be animal cells, because they have not wall (this kind of cells has only plasma membrane). In addition, eukaryotic cells have membrane-bound organelles (which are surrounded by a phospholipids membrane, such as endoplasmatic reticulum, Golgi apparatus, lysosomes, etc.), whereas prokaryotic cells lack them. Since plant cells are eukaryotic and bacterial cells are prokaryotic, the cells you are looking are plant cells.

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Use the term osmosis in a scentence
nika2105 [10]
Osmosis is the diffusion of water molecules only through a membrane
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1. How is the property of compressibility of gases used in everyday life? Give an example.
larisa86 [58]

Answer:

Compressibility is reducing the volume by increasing the pressure of a substance like liquid or gas. It is a physical characteristic of a substance especially gases.

Everyday life examples:

(1) LPG - These gas cylinders have compressed natural gas to liquid gas to store and use as fuels.

(2) Tubes of bicycles are filled by the pumps that compress the air.

(3) Carbonated soda filled with the help of compressing the carbon dioxide into the bottle.

4) oxygen bottles in medical institutes for helping the patient to breathe.

6 0
3 years ago
According to the fluid mosaic model of cell membranes, phospholipids
mina [271]

Answer:

I wasn't sure what you were asking

Explanation:

The fluid mosaic model explains various observations regarding the structure of functional cell membranes. According to this biological model, there is a lipid bilayer (two molecules thick layer consisting primarily of amphipathic phospholipids) in which protein molecules are embedded.

3 0
3 years ago
What is a body fossil according to the video?
yarga [219]

Answer:

Body fossils are the remains of the body parts of ancient animals, plants, and other life forms.

Explanation:

Hope that this helps you out! :)  

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6 0
3 years ago
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