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madam [21]
3 years ago
12

The _____ is critical in the cell cycle because it indicates the cell is ready for division. G0 phase G1 phase G2 phase S phase.

Biology
2 answers:
prisoha [69]3 years ago
8 0
The S phase is critical in the cell cycle because it indicates the cell is ready for division.
zysi [14]3 years ago
8 0

The correct answer is S phase.

The critical phase of cell cycle is S phase, in this phase the DNA starts replicating.The cell cycle is called the synthesis phase because the synthesis of DNA starts in this phase. There is no chance that the cell can go back to the previous phase. The DNA within the cell starts replicating. Depending upon the level of nutrients, energy and external factors, cells must decide that they will enter into cell cycle or not.


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PLS HELP ASAP 50 POINTS AND BRAINLIEST USER
Kryger [21]

Plasma membrane - protect cell from it's surroundings. In both kinds of cells.


Cytoplasm - supports rounded cell structure, within it are all the organelles. Contains chemicals needed by the cell. In both kinds of cells.


Nucleus - contains DNA and is the control center of the cell. In both kinds of cells.


Nuclear envelope - surrounds nucleus, makes sure important molecules (DNA) stay within the nucleus. In both cells.


Nucleolus - makes ribosomes. In both cells.


DNA - genetic information for development and function. In both cells.


Rough ER - produces proteins. In both cells.


Smooth ER - makes and stores lipids (fats). In both cells.


Golgi body - sort and process macromolecules (proteins, lipids, etc). In both cells.


Ribosomes - makes proteins. In both cells.


Vacuoles - very large in plants, a storage center. In both cells.


Lysosome - digests and removes wastes. In both cells.


Mitochondria - energy powerhouse, produce ATP energy. In both cells.


Cytoskeleton - shapes, supports, and facilitates movement. In both cells.


Centrioles - cell division (form spindle fibers). Only in animal cells.


Cilia - movement for microorganisms. Only in animal cells.


Chloroplasts - photosynthesis, helps absorb sunlight and make food for the plant. Only in plant cells.


Cell wall - strength, structure, filters molecules going in and out of the cell. Only in plant cells.


Central Vacuole - holds materials and wastes, helps maintain proper pressure within the cell. Only in plant cells.


Hope this helps!

3 0
3 years ago
What two recurring events in Earth's history have an impact on the carbon cycle? which one
Svetlanka [38]
Earth's orbit and climate change
6 0
3 years ago
Which of the following statements about the smooth endoplasmic reticulum is/are correct?
olya-2409 [2.1K]

The correct answers are:

• Liver cells are abundant in SER.  

This is because liver cells contain enzymes that metabolize various lipid-soluble compounds.

• The testes and ovaries are tissue types whose cells are abundant in SER.

This is because testes and ovaries produce steroid hormones (cholesterol is the precursor for their synthesis).

• Cholesterol is made in the SER.  

ER is the organelle at which all membrane lipids are synthesized.

• Phospholipids are synthesized from cytosolic water soluble precursor molecules.  

Phospholipids are the main lipids that are the main structural components of the cell membrane. They are synthesized on the cytosolic side of the ER membrane, from water-soluble cytosolic precursors.

5 0
2 years ago
For every action or force in nature there is an equal and opposite reaction
Inessa05 [86]

Answer:

This is true.

Explanation:

6 0
3 years ago
What is the function of mRNA (messenger RNA)?(1 point)
ivanzaharov [21]

Answer:

Messenger RNA(mRNA) carries the genetic information of a portion of DNA needed to make a protein. Transfer RNA(tRNA) is also important for protein formation, as it binds to mRNA and amino acids and is crucial for translation.

Explanation:

please mark my answer in brainlist

6 0
2 years ago
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