Explain why the plants cortex would serve as the best food source For animals

1 answer:

8 0

Cortex, in plants, tissue of unspecialized cells lying between the epidermis (surface cells) and the vascular, or conducting, tissues of stems and roots. Cortical cells may contain stored carbohydrates or other substances such as resins, latex, essential oils, and tannins.

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Mitosis is often considered synonymous with cell division. Why is this erroneous?

nevsk [136]

Answer:

Because mitosis is a cell multiplication

Explanation:

Mitosis is a cellular process that generates from a single cell, two identical cells in size and ploidia. Mitosis is a process of cell mutiplication that allows to transform the unicellular zygote into a multicellular organism; also allows the replacement of damaged or old cells for new cells in the different tissues.

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3 years ago

Please help me with this! The question on the image

Brut [27]

A. higher, lower
B. 2 to 1

No movement of water would have

occurred if they were isotonic.

A. Side 2
B. Side 1

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2 years ago

Where do the carbon-containing molecules in the giant kelp come from

uysha [10]

The carbon containing molecules in the giant kelp come from carbondioxide, wastes and other carbon containing simple molecules

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3 years ago

Which statement best predicts why a cell's progression through the cell cycle might be halted by the G1/S checkpoint?

velikii [3]

Answer:

The missing options are:

A. Spindle fibers have not correctly attached to chromosomes.

B. Damage occurred to DNA when it was being copied in G1.

C. There are not enough nucleotides available to construct new DNA.

D. Proteins necessary for M phase of the cell cycle have not been produced.

The correct option is C.There are not enough nucleotides available to construct new DNA.

Explanation:

During the G1 phase, the cell grows in size since it prepares its organelles and molecule combinations for the next phase of the cell cycle, the S phase. Before the cell transitions to the S phase, it has to pass through a checkpoint that makes sure that there are no mutations, it has grown enough, and has the necessary molecules for the next phase, which is the synthesis of DNA. If there are not enough nucleotides, the cell will not be able to synthesize new DNA in the S phase, so the checkpoint stops the cells from moving to this phase till it has all the necessary things to do it.

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4 years ago

Where is life suggested to have begun?

-BARSIC- [3]

Answer:

Life is suggested to have started in an aquatic ecosystem - the ocean.

Explanation:

For decades, life has been suggested to have started in an aquatic environment due to evidence of ancient fossils and chemical studies.

Recently, scientists have been able to narrow these suggestions to state that life originated in a deep sea hydrothermal vent. This hypothesis arised due to the presence of chemicals that are thought to have produced the chemical reactions that are necessary for the evolution of life.

The first living forms on Earth were single-celled micro-organisms called stromatolites - rock-like structures formed by cyanobacteria - that appeared around four billion years ago. Interestingly, we are still able to find these ancient creatures but only in specific regions of the world such as Cuatro Cienegas, Coahuila in Mexico.

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3 years ago