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Mandarinka [93]
3 years ago
9

Cell drinking;cell eating;.Both are modeled here and are examples of __. A.osmosis B. diffusion C. endocytosis D. facilitated tr

ansport
Biology
2 answers:
Aliun [14]3 years ago
6 0

Answer:

C. endocytosis

Explanation:

Endocytosis is a process that occurs in cells and aims to bring substances into this structure through the invagination of the plasma membrane. These invaginations are nothing more than folds in the membrane itself into the cell. We can say that through endocytosis the cells "drink" and "eat".

Endocytosis occurs in both multicellular and unicellular organisms. In unicellulars, like protozoa, endocytosis is essential to ensure the nutrition of these cells. Therefore, endocytosis in these organisms works as the main way of obtaining food.

In multicellular organisms, in turn, endocytosis has a slightly different role. In us humans, for example, who have extracellular digestion, cells do not work guaranteeing our nutrition. In this case, endocytosis plays a major role in defense. This is the case with white blood cells in our body, which capture invading particles and organisms.

Brut [27]3 years ago
4 0
C) Endocytosis is the answer for this question because a cell will go out and find something it needs and then take it in. (i.e. cell eating or phagocytosis)
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Chain Pickerel is a freshwater fish that is a member of the pike family. Chain Pickerels are found along the Eastern coast of an
Kipish [7]

Answer:

the dissolved oxygen of the water decreases.

the fish need the oxygen for respiration, breathing through their gills.

Explanation:

The salinity decreasing doesn't affect the pickerel, because it's a freshwater fish. no salt needed.

more light penetrating the water just means that more aquatic weed or grasses would grow, giving the pickerel more area to spawn their eggs.

temperature increase in the summer has no affect on the fish, since the spawning happens in late winter.

8 0
3 years ago
Why does the energy in sugar need to be converted into ATP
Tema [17]
Because the cells can only use energy in form of ATP.

Its like you can't run a diesel truck on petrol. 
6 0
3 years ago
You are a botanist looking at the plant color in a new breed of Snapdragon. The two parent plants are Blue and Green and when yo
irakobra [83]

Answer:

Incomplete dominance is the inheritance pattern where the dominant allele did not mask the recessive allele completely and form a mix of both alleles. Here the inheritance is the incomplete inheritance. The ratio of F2 generation is 1:2:1.

Given:

R1R1 = 42

R2R2 = 39

R1R2 = 86

Total R1 alleles = 2*42+86 = 170

Total R2 alleles = 2*39+86 = 164

Total alleles = 334

Frequency of allele R1 = 170/334 = 0.51

Frequency of allele R2 = 164 / 334 = 0.49

Expected number of each phenotype:

Total population = 167

Blue = R1R1 = 0.51 * 0.51 * 167 = 43.44

Green = R2R2 = 0.49 * 0.49 * 167 = 40.10

Cyan = 2*R1*R2 = 2*0.51*0.49*167 = 83.46

Phenotype     Observed(O)    Expected (E)    O-E      (O-E)2     (O-E)2/E

Blue                 42                   43.44               -1.44       2.0736     0.0477

cyan                86                   83.46                 2.54     6.4516     0.0773

green              39                    40.1                    -1.1       1.2100      0.0302

Total              167                     167                                               0.1552

Chi-square value = 0.155

Degrees of freedom = no. of phenotypes – 1

Df = 3-1 = 2

Critical value = 5.99

Chi-square value of 0.155 is less than the critical value of 5.99. So we accept the null hypothesis.

4 0
3 years ago
In which of these stages is mitosis most important? A tiger cub is born. A tiger cub learns to walk. A tiger cub begins to grow.
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Answer:

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Explanation:

because that's when they change the most

5 0
3 years ago
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3. Can pure water have colligati e properties?
AleksandrR [38]

Answer: No

Explanation:

the freezing point of salt water is lower than that of pure water, due to the presence of the salt dissolved in the water

7 0
3 years ago
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