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Grace [21]
3 years ago
14

Which explapins wheather the particle described is a virus or a cell

Biology
1 answer:
lesantik [10]3 years ago
5 0

A virus is a microscopic particle that can infect the cells of a biological organism. Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own. It has been argued extensively whether viruses are living organisms.

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What are the subunits called that make up carbohydrates?
neonofarm [45]

Answer:

Carbohydrates are used by the body for energy and structural support in cell walls of plants and exoskeletons of insects and crustaceans. They are made of smaller subunits called monosaccharides. Monosaccharides have <u>carbon</u>, <u>hydrogen</u>, and <u>oxygen</u> in a 1:2:1 ratio.

Difinition of disaccharides: any of a class of sugars whose molecules contain two monosaccharide residues.

Make an example...

Short carbohydrate chains are called <u>oligosaccharides</u> and contain 3 to 10 sugar molecules. Long carbohydrate chains can contain hundreds or even thousands of monosaccharide units. molecule of <u>glucose</u> and one molecule of <u>fructose</u> joined together.

Explanation:

Enjoy

5 0
3 years ago
Before there was any life on earth, which gas was absent from earth’s ancient atmosphere? A. nitrogen B. ammonia C. oxygen D. me
maksim [4K]
Easy. Answer is oxygen because it says which one was missing before any life was on earth. And in order to have life on earth you need oxygen! 
:)
7 0
3 years ago
Bart believes that mice exposed to radiowaves will become extra strong (maybe he's been reading too much Radioactive Man). He de
solniwko [45]

1) Mice not radio waved.

2) Radio

3) Strength of mice

4) Maybe inconclusive.

5) Improves strength

Explanation:

  1. Control Group - Mice not radio waved.
  2. Independent Variable - radio.
  3. Dependent Variable - Strength of mice.
  4. What should Bart's conclusion be? Maybe inconclusive.
  5. How could Bart's experiment be improved? Improves strength

Experimental setup

setup that is testing a hypothesis using a variable. In most cases only one variable should be tested at a time.

Control Setup

setup that is identical to the experimental setup, only it does not contain a variable.

Independent Variable

The one factor that is change by the person doing the experiment

Dependent Variable

The factor which is measured in the experiment

Constant

all the factor that stay the same in an experiment.

4 0
3 years ago
The process of mitosis is the same in plant and animal cells until the division of the cytoplasm. At this stage, plant cells dev
luda_lava [24]

Answer:

D. Cell plate

Explanation: research

3 0
3 years ago
Partes del sistema linfatico
umka2103 [35]

Answer:

Explanation:

Le parti principali del tessuto linfatico sono il midollo osseo, la milza, la ghiandola del timo, i linfonodi, i linfonodi e le tonsille.

8 0
3 years ago
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