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pshichka [43]
2 years ago
11

How do I adjust my model based off of fossil information?

Biology
1 answer:
Sindrei [870]2 years ago
7 0

Answer:

Fossil is unable to change

Explanation:

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Explain your interpretation of the fluid mosaic model for the cell membrane. Please
katovenus [111]

Answer:

To begin, in direct relation to plasma membranes, we have the fluid mosaic model, explanation for various observations related to the structure of cell membranes. In this model, there is a lipid bilayer where protein molecules are fixed. The lipid bilayer allows the membrane to achieve elasticity. This model of the cell membrane is how scientists view the functions and parts of the cell membrane. The fluid mosaic model can also serve as an explanation for the phospholipids, cholesterol, proteins, and carbohydrates that make up the membrane. Before delving into the fluid mosaic model, one must first fully understand plasma membranes and the role that they play. The plasma membrane is the membrane in all cells that protects it from the outside environment. The plasma membrane controls materials that come and go from the cell.  The membrane is mainly formed of amphiphilic or dual-loving, phospholipid molecules. The hydrophilic part of these molecules is in constant contact with the fluid inside of and surrounding the cell. The phospholipid molecule is made of a three-carbon glycerol base with two fatty acid molecules attached to two of the carbons, and a phosphate-containing group attached to the third one. This arrangement results in a polar charge. The membrane surfaces that face the inside and outside of the cell are hydrophilic. In opposition, the middle of the cell membrane is hydrophobic. Therefore, phospholipids form an effective lipid bilayer cell membrane that divides fluid within the cell from the liquid outside of the cell. In conclusion, fluid mosaic is used by scientists to view the parts of the cell membrane, which has a lot of components that render it non-permeable. (phospholipids, integral protein, peripheral protein, cholesterol, glycoproteins/lipids.)

Explanation:

Idk if this is right but hopefully it helps.

3 0
3 years ago
A population of mussels was observed in a particular ecosystem. crabs have recently been observed occupying this ecosystem, whic
STALIN [3.7K]

The correct statements are 1, 2, and 5 as they explain the adaptations that mussels developed to prevent their extinction and how this aided them in natural selection.

Crabs are omnivores. The smaller crabs can eat seaweed, worms, shrimp, algae, etc while the larger ones can eat mussels, snails, and squid. Crabs can change their feeding grounds because of environmental changes. Mussels being the prey of crabs were forced the development of new traits to ensure their survival. They started to produce thicker shells. This allowed the mussels with thicker shells to survive as they would not get eaten by the crabs, thus undergoing natural selection. The development of said trait improved the survival rate of mussels and prevented them from going extinct due to predation.

Note: The question seems to be incomplete and the options could have been

  1. "A change in the environment led to a new distribution of traits in a population.
  2. The trait of shell thickening underwent natural selection.
  3. The trait for shell thickening will not be selected by future mussel generations.
  4. Half of the mussel population developed the trait while the other half did not.
  5. Mussels with the shell thickening trait had a greater chance of survival."

Learn more about adaptations and natural selection here:

brainly.com/question/15499665

#SPJ4

6 0
1 year ago
An animal cell hat is surrounded by fresh water will burst because the osmotic pressure causes?
Lunna [17]
Osmosis pressure is actually the minimum required pressure that should be applied to a solution to prevent the WATER from flowing inwards across the semipermeable membrane.

An animal cell hat is surrounded by fresh water will burst because the osmotic pressure causes the water to move into the cell.

Answer is (A)
8 0
2 years ago
Read 2 more answers
Translation involves the assembling of proteins. Which of the following forms of RNA is responsible for carrying a formed amino
Savatey [412]
The answer is B. tRNA
4 0
3 years ago
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What is the function of the intestine in an earthworm?
Tom [10]

Answer:

Complete digestion of food takes place in the intestine. Various enzymes present in the intestine act on food and digested food gets absorbed. Typhlosole increases the absorption surface of the intestine.13

6 0
1 year ago
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