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JulsSmile [24]
4 years ago
14

Describe how the plasma membrane controls what goes into and comes out of a cell.

Biology
1 answer:
Vaselesa [24]4 years ago
8 0
Diffusion has a major part in this. It has proteins embedded in it that allow molecules to diffuse in and out of the cell up and down its concentration gradient.
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Viruses that only use bacterial cells as host are identified as bacteriophages. 
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Arrange these groups in order from most inclusive (most general) to least inclusive (most specific).
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These groups are arranged in order from most inclusive (most general) to least inclusive (most specific) is gnathostomes, osteichthyans, lobe-fins, tetrapods, amphibians.

<h3>What is gnathostomes?</h3>

The jawed vertebrates are called gnathostomata. The phrase comes from the Greek words "jaw" and "mouth." Approximately 60,000 species make up the diversity of the gnathostome, which represents 99% of all vertebrates still alive today.

<h3>What is osteichthyans?</h3>

A broad taxonomic group of fish called osteichthyes, also known as the "bony fish," has skeletons that are predominantly made of bone tissue.

<h3>What is lobe-fins?</h3>

The taxon Sarcopterygii, also known as Crossopterygii, is made up of bony fishes noted for having lobe-finned fishes as its members.

<h3>What is tetrapods?</h3>

Four-legged vertebrates that make up the superclass Tetrapoda are known as tetrapods, which derives from the Ancient Greek (tetra-) "four" and "foot." It consists of synapsids, dinosaurs, and extinct as well as living amphibians, reptiles, and dinosaur-related birds (including mammals).

To learn more about Tetrapods visit:

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8 0
2 years ago
A beryllium atom contains 4 protons, 4 neutrons and 4 electrons. What is the atomic number of beryllium?
Ugo [173]

Answer:

Beryllium's atomic number is 4

Explanation:

<u>Reason</u>

  1. Beryllium has 4 protons, 4 neutrons, and 4 electrons.
  2. This makes it a nuetral atom meaning that it contains an equal amount of protons and electrons
  3. This means that beryllium has a atomic number of 4
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3 years ago
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What is the cell membrane made out of
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Answer:The Cell Membrane. All living cells and many of the tiny organelles internal to cells are bounded by thin membranes. These membranes are composed primarily of phospholipids and proteins and are typically described as phospholipid bi-layers.

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3 years ago
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What is the role of diaphragm in the digestive system?
finlep [7]
<em><u>diaphragm:
</u></em>
<em>it is a sheet of muscle which is doomed shape....in thoracic cavity...
<u>role in digestion:
</u>it can increase intra abdominal pressure and help to expel
1 vomit
2 urine
3 feces...
</em><em><u>
</u></em>
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