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Kisachek [45]
3 years ago
10

If you observed a cell under a microscope and saw that it contained a plasma membrane, cell wall, and ribosomes, but no other or

ganelles, what could you conclude? it's an animal cell. it's a prokaryotic cell. it's a plant cell.
Biology
2 answers:
N76 [4]3 years ago
8 0
Well it couldnt be an animal cell becuase animal cells dont have cell walls. And plant cells have a cell membrane not a plasma membrane so it should be a prokaryotic cell.
Anna007 [38]3 years ago
5 0

Answer: Prokaryotic cell

Explanation:

An organism that has plasma membrane, cell wall and ribosomes states that it is a prokaryotic cell.

All the prokaryotes have thick and rigid cell wall that provides the cell its shape and structural support.

Ribosomes are found in prokaryotes as well as eukaryotes. Cell wall of prokaryotes is made of peptidoglycan layer which surrounds the cytoplasm of the cell.

As it has similar characteristics to a prokaryotic cell it is a prokaryotic cell.

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Anika [276]

Explanation:

B) protein channel

Lipids are composed of fatty acids which form the hydrobic tail and glycerol which forms the hydrophilic head; glycerol is a 3-Carbon alcohol which is water soluble, while the fatty acid tail is a long chain hydrocarbon (hydrogens attached to a carbon backone) with up to 36 carbons.

Their polarity or arrangement can give these non-polar macromolecules hydrophilic and hydrophobic properties. Via <em>diffusion,</em> small water molecules can move across the phospholipid bilayer acts as a semi-permeable membrane into the extracellular fluid or the cytoplasm which are both hydrophilic and contain large concentrations of polar water molecules or other water-soluble compounds. The hydrophilic heads of the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Transmembrane proteins are embedded within the membrane from the extracellular fluid to the cytoplasm, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) which function as cell surface markers. Carrier proteins and channel proteins are the two major classes of membrane transport proteins.

  • Carrier proteins (also called carriers, permeases, or transporters) bind the specific solute to be transported and undergo a series of conformational changes to transfer the bound solute across the membrane. Transport proteins spanning the plasma membrane facilitate the movement of ions and other complex, polar molecules  which are typically prevented from moving across the membrane.
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Learn more about membrane components at brainly.com/question/1971706

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4 0
2 years ago
Who is studying animals in the wild considered to be somewhat experimentally out of control
KIM [24]

Studying animals in the wild is considered somewhat experimentally out of control because of several reasons.  

<u>Explanation:</u>

Study of wild animals can be done using several methods but none will be as effective as studying captivated animals. Using stationary cameras is a method to observe animals in the wild. The stationary nature of the camera makes it necessary for the animals to appear within the field of the camera.

This is difficult in places of low animal density. In addition to that placing camera at a longer distance to watch a larger area decreases the resolution of the images. When it comes to shallow water systems, the field imagery used to track the aquatic species frequently gets affected by issues like sun flicker.  

Unmanned aerial vehicles can also be used to track and study animals in the wild. This is good alternative but filming through dense canopies or turbid water is a limitation. Bio loggers can also be used for animal tracking but it is limited by weight since it has to be carried by animals.  

5 0
3 years ago
Which planet has a surface that is almost entirely covered in liquid water? A. Mars B. Earth C. Mercury D. Venus
qwelly [4]
This is obvious but the correct answer is B. Earth

HOPE I HELPED


6 0
3 years ago
Read 2 more answers
Why is variation In a population beneficial
Aneli [31]
Some of the organisms might have different traits that allow them to survive better than others within the population. That way the population has a greater chance of surviving.
8 0
2 years ago
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Reptile [31]

Answer:

option A

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Potassium and calcium are critical for bone development and repair. Deficiency can lead to easy breakage.

3 0
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