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morpeh [17]
2 years ago
15

New Zella article called: how chromosome mutations occur. There are four questions on the quiz I can't get any of them. Please h

elp
Biology
1 answer:
nadezda [96]2 years ago
8 0

Answer:

Change in the structure of chromosome.

Explanation:

Chromosome structure mutations are the changes that occur in the structure of chromosomes rather than just individual nucleotides. These mutations occurs due to the errors that happens in cell division that leads to the breaking in section of a chromosome, which can be duplicated or move onto another chromosome. Chromosome mutation is the process of change in the chromosomes that occurs due to the rearranged chromosome parts and  abnormal numbers of individual chromosomes.

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Item 2
Evgesh-ka [11]

Large molecules often cross the plasma membrane while inside vesicles.

Explanation:

The plasma membrane is a fluid membrane mad of phospholipids bilayer. The fatty acid chains are sandwiched in between the phosphate ends of the lipid layers. The fluidity of the membrane is due to the fact that these molecules, including the integral proteins that span the membrane are NOT covalently bound to each other hence can freely move within the membrane. Cholesterol molecules are intercalated in between the fatty acid chains and prevent these carbon chains from binding to each other tightly through hydrogen bonding hence adding to the fluidity of the membrane. The cell membrane has natural pores within it that allow small molecules such as water to pass through, passively, in and out of the cell. Larger molecules have to pass through channels created by the integral proteins while the largest molecules are taken in by endocytosis and taken out by exocytosis, which translates to vesicle transport in cell.

Learn More:

brainly.com/question/4413160

#LearnWithBrainly

8 0
3 years ago
How does abnormal development take place in man?
liubo4ka [24]

Answer:

lol that's a hard question idk

8 0
3 years ago
Read 2 more answers
a 4.24 kg marble slab has a volume of 1564 cm^3. what is it's density in g/cm^3? give you answer to the nearest tenth
sleet_krkn [62]
You times all of them together and you would get the answer
8 0
3 years ago
If the dry bulb temperature is 46,and the dew point is 11 degrees celsius,what would be the difference between the wet-bulb and
Andrei [34K]

Answer:

Dew is the condensed water that a person often sees on flowers and grass early in the morning. Dew point varies depending on the amount of water vapor present in the air, with more humid air resulting in a higher dew point than dry air. Furthermore, the higher the relative humidity, the closer the dew point to the current air temperature.

Explanation:

7 0
3 years ago
Based on physical evidence, scientists have concluded that the planet earth probably formed _____ years ago, and the first life
Sonbull [250]
Planet earth was probaly formed 30,thousand years ago the first life probably evolved 29 thousand years ago
5 0
3 years ago
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