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Vika [28.1K]
3 years ago
7

Non examples of cell cycle

Biology
2 answers:
trapecia [35]3 years ago
6 0
Viruses, virions, and viroids are all examples of non-cellular life.
trasher [3.6K]3 years ago
6 0

Answer:

The cell cycle is a cycle of stages that cells pass through to allow them to divide and produce new cells. It is sometimes referred to as the “cell division cycle” for that reason.

New cells are born through the division of their “parent” cell, producing two “daughter” cells from one single “parent” cell.

Daughter cells start life small, containing only half of the parent cell’s cytoplasm and only one copy of the DNA that is the cell’s “blueprint” or “source code” for survival. In order to divide and produce “daughter cells” of their own, the newborn cells must grow and produce more copies of vital cellular machinery – including their DNA.

The two main parts of the cell cycle are mitosis and interphase.

Mitosis is the phase of cell division, during which a “parent cell” divides to create two “daughter cells.”

The longest part of the cell cycle is called “interphase” – the phase of growth and DNA replication between mitotic cell divisions.

Both mitosis and interphase are divided into smaller sub-phases which need to be executed in order for cell division, growth, and development to proceed smoothly. Here we will focus on interphase, as the phases of mitosis have been covered in our “Mitosis” article.

Interphase consists of at least three distinct stages during which the cell grows, produces new organelles, replicates its DNA, and finally divides.

Only after the cell has grown by absorbing nutrients, and copied its DNA and other essential cellular machinery, can this “daughter cell” divide, becoming “parent” to two “daughter cells” of its own.

The graphic below shows a visual representation of the cell cycle. The small section labeled “M” represents mitosis, while interphase is shown subdivided into its major components: the G1, S, and G2 phases.

Explanation: I got this from, https://biologydictionary.net/cell-cycle/

you can read the article and it will explain it!

brainliest please!!

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Match the following groups with the correct description
ki77a [65]

Answer:

a- 3

b- 2

c- 4

d- 6

e- 5

Explanation:

A) Euglenozoans are eukaryotic organisms that belong to the Kingdom Protista. They are either free-living or parasitic in nature. They have no cell wall in their structure but instead possess a pellicle.

B) Diatoms are photosynthetic algae that belong to the division-Bacillariophyta. The ability to photosynthesize makes them a primary producer in an ecosystem. Their cell wall is made up of silica, which is unique to their group of algae. They also produce oils to maintain buoyancy.

C) Brown algae belong to the division- Phaeophyta. They exhibit alternation of generations in their life cycle where they produce both motile zoospores and sperm.

D) Apicomplexans are organisms such as plasmodium etc that belong to the phylum- Apicomplexa. Most of them are pathogenic, with some affecting humans. They lack cell wall but have a flat vesicle called ALVEOLI.

E) Green algae belong to the division Chlorophyta. They are photosynthetic organisms and exists as unicellular or colonial organisms. They have flagellated for locomotion.

4 0
3 years ago
Starch, cellulose, dextran, and glycogen are polysaccharides. How are they similar? To what are their different properties due?
daser333 [38]

Answer:

similarity

Starch, cellulose,dextran and glycogen are all polymers of glucose

differences

                monomer/glucose     glycosidic bond    branching

1.starch              α glucose          1-4 and 1-6               branch and unbranced

  amylose                                       1-4                          unbranched

  amylopectin                               1-4 and 1-6              branched

2. dextran          α glucose          1-6                           branched

3. cellulose        β glucose           1-4                          unbranched, linear        

4. glycogen       α glucose           1-4 and 1-6              branched (shorter

                                                                                     branches than starch)

Enzyme: amlase acts on starch and cellulase acts on cellulose as they are specific for their substrates.

Explanation:

Starch: Consists of both branched amylopectin and unbranched amylose

Enzymes: Enzymes are specific as the gulcose molecule in starch is α and in cellulose is β which differ in their position of hydroxyl groups at anomeric carbon, their structures differ so they form different bonds. Active sites of enzymes can act only on specific bonds a sthey can fit to their specific substrates.

3 0
4 years ago
Photosynthesis is a very complex process that occurs when sunlight and ____ are present.
riadik2000 [5.3K]
Photosynthesis is a very complex process that occurs when sunlight and oxygen are present.
Good luck
6 0
3 years ago
Read 2 more answers
How are osmosis and diffusion alike
hichkok12 [17]
Osmosis is the movement of water and is always the movement in the membrane. Diffusion is the movement of molecules
8 0
4 years ago
Ehat did geegor mendel call the yellow trait ​
Damm [24]

Answer:

Mendel and Alleles

4 0
3 years ago
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