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dangina [55]
2 years ago
8

Most types of communication between cells utilize ________ the exchange of cytosol between the cells the movement of the cells c

hemical or electric signals the exchange of DNA between cells
Biology
1 answer:
Julli [10]2 years ago
8 0

Most types of communication between cells utilize -chemical or electric signals.                

Communication is done by the release of chemical signals by the cell thus sending the message.  These chemical signals are usually  proteins or other molecules that are produced by the sending cell. These signals are released into the extracellular space.  

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The rough endoplasmic reticulum is a cell structure that consists of folded membranes that contain ribosomes. What is the advant
attashe74 [19]

Answer:

B

Explanation:

The folds contain ribosomes attached to the membrane. The more the folds the more the surface area to which more ribosomes can attach. The ribosomes are organelles responsible for the manufacture of protein in cells. Thereafter, the proteins are properly folded by the mediation of chaperones in the lumen of the RER.

6 0
2 years ago
Do you think true water-conducting tissue is a derived character of either embryophytes or green algae? Why or why not?
ludmilkaskok [199]

Answer:

i think true water-conducting tissue is a derived character of green algae?

Explanation:

WHY?

Many characteristics of land plants also appear in algae like both are multi cellular, euks, photosynthetic autotrophs so are brown, red, and certain green algae, plants have cell walls made of cellulose and so do green algae

However, charophytes are the only present day algae that share these traits with land plants

1.Rings of cellulose-synthesizing proteins (circular rings of proteins in plasma membrane that make cellulose of cell wall)

2.Structure of flagellated sperm

3.Formation of a phragmoplast ( group of microtubules known as phragmoplast formes b/t daughter nuclei of a dividing cell, giving rise to a cell plate making cross wall that separates the daughter cells)

Comparisons of both nuclear and chloroplast genes point to charophytes as the closest living relatives of land plants

Land plants are not descended from modern charophytes, but share a common ancestor with modern charophytes

WHY NOT?

The origin of embryophytes, as these multicellular plants arose and conquered the land, was a pivotal event in the history of life on earth. Without embryophytes, there would be no animals or humans surviving on the land portion of our planet. The provide food, habitat, energy, oxygen, protection, and numerous vital other functions for the world's creatures. Human beings also benefit from the aesthetic beauty, medicines, and innumerable products derived from these diverse plants.

8 0
1 year ago
Review the results of your table and summarize your observations about how the different substances cross membranes.
zalisa [80]

Answer: Oxygen: Passive transport

Carbon dioxide: Passive transport

Fructose: Passive transport

Glutamine: Endocytosis

Sodium ion: Active

Potassium ion: active

Protein molecule: active

Explanation:

Hope this helps :)

7 0
1 year ago
Which term describes the phenomenon that occurs when the expression of one gene pair masks the expression of another gene pair?
kotegsom [21]
It's called complete dominance of the dominant gene when it totally masks expression by the recessive gene.
4 0
1 year ago
A researcher tests the hypothesis that large, daily doses of vitamin c help protect against catching the common cold. what would
photoshop1234 [79]
The best thing to do is this: 
the subjects in the experimental group should be given large, daily dose of vitamin C while the control group subjects should be given a daily dose of sugar pills that are disguised as vitamin C.
The research can then observe the differences between the two groups.
4 0
1 year ago
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