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olga nikolaevna [1]
2 years ago
10

Which molecule contains a glycerol backbone? A. protein B.carbohydrate c.nucleic acid D. lipid

Biology
1 answer:
Elina [12.6K]2 years ago
6 0

Answer:

Lipids

Explanation:

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Glia that provide myelin for neurons in the brain are called ________.
kati45 [8]

Answer:

oligodendrocytes

Explanation:

Glial cells are part of the nervous system. These are helper cells that support the function of the central nervous system (CNS) and can be called oligodendrocytes when they supply myelin to neurons.  These cells are responsible for producing the myelin sheath have the function of electrical insulator for CNS neurons. They have extensions that wrap around the axons, producing the myelin sheath.

It is estimated that there are 10 glia cells in the CNS for each neuron, but because of their small size, they occupy half the volume of nervous tissue. They differ in form and function and they are: oligodendrocytes, astrocytes, Schwann cells, ependymal cells, and microglia.

4 0
3 years ago
Each orientation of chromosomes produces gametes with the same genetic information from each parent.
oksano4ka [1.4K]

Answer: a) true

Explanation:

The goal of mitosis is to produce daughter cells that are genetically identical to the mother cell, without a single extra or missing chromosome. Meiosis, on the other hand, is only used for one purpose in the human body: the production of gametes or sex cells, i.e. sperm and eggs. The question is oriented to mitosis, <u>in which prior to this cell division, the cell duplicates its DNA</u> so that each daughter cell then inherits the genetic material. That is, the cell originally possesses 23 chromosomes, they duplicate to a total of 46 so that then each daughter cell receives 23.

The metaphase is the second phase of mitosis and meiosis that occurs after prophase where the envelope is lost and microtubules of the achromatic spindle (also called meiotic or mitotic) appear.

During metaphase, the chromosomes align themselves in the middle of the cell and this balanced midline spindle alignment is due to the equal and opposing forces generated by the kinetochore brothers.

Then during metaphase, the chromosomes will line up in the center of the cell to be separated and go each to a different daughter cell. But the moment they're found there, each orientation of chromosomes produces gametes with the same genetic information from each parent. <u>Because because there have been no changes or mutations in the chromosomes, they have duplicated and have the same genetic information.</u>

6 0
3 years ago
Which body type generally would have the highest ratio of water content to total body mass? muscular female thin male muscular m
Alina [70]
<span>Body fat directly influences total body water. The influence of age, gender and fitness is also relative. Women and older persons tend to be lower on total boy water because they have lower fat free masses. Athletes tend to have higher total body water, therefore a younger athletic male would have the highest.</span>
5 0
3 years ago
Identify the major chromosomal abnormalities and their causes (eg. down's syndrome, turner's syndrome, klinefelter's syndrome, c
My name is Ann [436]
Chromosome defect lot of became syndrome.
it's lot of cause
8 0
3 years ago
Explain how oxygen is cycled between the plant and woman shown in the picture.name the specific processes involved
julia-pushkina [17]
<h3>Answer & Explanation .:</h3>

---------------------------------

The woman inhales oxygen produced by the plant in the process of PHOTOSYNTHESIS,

and she use it inside her body to release energy from the food molecules by the process of RESPIRATION also as a result of respiration Carbon dioxide gas is produced, which she exhales.

That carbon dioxide is absorbed from air by the plant and use it to prepare food from it in the presence of sunlight by the process of PHOTOSYNTHESIS in which oxygen is also produced as byproduct which is then released to air and is then inhaled by the woman again to repeat the cycle.

_____________________

4 0
3 years ago
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