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Mariana [72]
3 years ago
13

A student observing a sample of cheek cells noticed that all of the cells were identical. Which statement below explains why the

se cells are identical?
They all come from the same location in the body.

All cells come from other cells through division.
⊝

They do not have a cell wall.
⊝

They have a chloroplast.
Biology
2 answers:
monitta3 years ago
8 0

Answer:

All cells come from other cells through division

weeeeeb [17]3 years ago
5 0

Answer:

It is the 2nd one

Explanation:

For example when you grow your cells multiply or divide into more cells. So that's just in general, but it works for this two.

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Which type of carbohydrate polymer is used for structural support in the cell wall within plants ?​
anygoal [31]

Answer:

Cellulose is a type of carbohydrate polymer is used for structural support in the cell wall within plants

Explanation:

Cellulose, for example, is a major component of plant cell walls, which are rigid structures that enclose the cells (and help make lettuce and other veggies crunchy). Wood and paper are mostly made of cellulose, and cellulose itself is made up of unbranched chains of glucose monomers linked by 1 4 glycosidic bonds

hope it will help you

3 0
2 years ago
Why are unsaturated fatty acids particularly abundant in the cellular membranes of antarctic fish?
Nutka1998 [239]
Antarctic fish species requires an adaptation to cold environment. Living at cold temperature environment would demand certain biological responses such as cutaneous respiration, enlarged blood vessels, and producing greater amounts of fat. Most of these fat are composed of higher phospolipid levels which are primarily due to phosphatidylethanolamine. This phospolipid is responsible for destabilizing cell membranes and make it more fluid thereby allowing unrestricted blood flow. The fatty acid composition of the membrane lipid is important for membrane fluidity, this is mainly attributed to unsaturated fatty acids which are responsible for decreasing the order of membrane lipids thereby decreasing viscosity. At extremely low temperatures, organisms with low concentration of unsaturated fatty acids would freeze cell membranes. That's why antarctic fishes have higher levels of unsaturated fatty acids. 
6 0
3 years ago
What is the function of the lymphatic system?
riadik2000 [5.3K]

Answer: I believe it is C: delivers nutrients to cells, removes cellular waste, and fights infection.

Forgive me if im wrong but its what I choose on the exam

7 0
2 years ago
Can a pure culture containing a single type of microbe be prepared from a culture with a mixture of cells? explain your reasonin
Arada [10]

Pure culture can be prepared from a mixture of cultures by using the streak plate method. This enables the bacterial cells to be diluted to obtain a pure culture after many-folds dilution.

Pure culture is the one in which only one species, strain or clone of bacteria are grown. The pure culture enables to scientists to study in detail about its anatomy, lifestyle and potential uses or harms, without the interference of any other microbe.

Streak-plate method is the most commonly used technique in microbiology labs to isolate a single type of bacteria. It is performed by creating the smears of bacteria in zig-zag motion to dilute its concentration.

To know more about pure culture, here

brainly.com/question/21512552

#SPJ4

4 0
1 year ago
The means for transmission of disease-causing microorganism is provided by the ____. ​
Sergio039 [100]

Answer: The means for transmission of disease-causing microorganism is provided by the direct or indirect contact.

Microorganisms can cause disease only once they are transferred to the body. The disease causing microorganisms are termed as pathogens which are transmitted by several ways such as from skin to skin, by nuclei droplets, through blood and body fluids or via air. In vector transmissions the disease is carried by the parasitic insects via animals, air borne transmission occurs when microorganisms move through air or the dust particles, droplet transmission occurs by coughing, sneezing or talking by the person who is infected while indirect transmission occurs by physical contact or by touching contaminated objects.


6 0
3 years ago
Read 2 more answers
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