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valkas [14]
3 years ago
9

Ecosystem is the ecosystem of a stream or river.

Biology
1 answer:
aliya0001 [1]3 years ago
8 0

Answer:its a ijdjd

Explanation:

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Which of the following is not a key role of cell division? Reproduction. Growth. Tissue renewal. Fertilization.
Makovka662 [10]

Answer:

Fertilization

Explanation:

Cell division is the process that occurs in all living organisms by which a cell divides into two or more daughter cells. The purpose of vegetative cell division (mitosis)  in eukaryotes is maintenance of the cell's genome, growth by cell multiplying and tissue renewal by producing new cell. Reproductive cell division-meiosis is responsible for the formation of gametes for the further reproduction. In prokaryotes it is used as a form of reproduction ( binary fission).

4 0
4 years ago
In 2-3 sentences and in your own words, explain the difference in the cell wall of a Gram-positive cell versus in the cell wall
Dmitriy789 [7]

Answer:

<h2>They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test. </h2>

Explanation:

Most bacteria are classified into two main categories

i) Gram positive bacteria and ,

ii) Gram negative bacteria.  

They are classified on the basis of their cell wall composition and as well as by the reaction to the Gram stain test.

Gram positive bacteria's characteristics

 ii) they have cell walls composed mostly of  peptidoglycan.

i) stain purple after Gram staining.

Gram negative bacteria's characteristics.  

i) they have cell wall only a thin layer of peptidoglycan and an outer membrane with a lipopolysaccharide component.

ii) stain red or pink after Gram staining.  

5 0
3 years ago
Two compounds are mixed together and the result is a sharp hiss and a cloud of vapor. what causes this event? *
jasenka [17]
A chemical reaction was the cause of that particular event
7 0
4 years ago
What is produced by both aerobic and anaerobic respiration?.
lyudmila [28]

Answer:

During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts.

The end products of aerobic respiration are carbon dioxide, water, and energy. The end products of anaerobic respiration are acids, alcohols, gases, and energy. Explanation: Glycolysis is the common process occurs in both aerobic and anaerobic respiration.

6 0
3 years ago
A train car is to train as a __ is to a polymer.
Readme [11.4K]

Answer:

Answer is B monomer as multiple monomers makes up polymers

5 0
3 years ago
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