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AleksAgata [21]
3 years ago
10

You examine a cell by electron microscopy and find a molecule on the outside of the cell and in vesicles in the cytoplasm. The m

ost likely explanation is that this substance moved into the cell by______________.
Biology
1 answer:
Ivenika [448]3 years ago
8 0

Answer: Osmosis

Explanation:

Osmosis absolutely explains

- how substances from the cell surroundings enter its cytoplasm THROUGH its semi-permeable membrane known as cell membrane

- and also enters its vesicles like vacuoles, which are bound by membrane.

So, osmosis is the answer

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How is relative-age dating used to determine the ages of fossils?
Dmitrij [34]

Answer:

Your answer is probably A). If you find a fossil of an armored fish in layer A, and you find a fossil of a trilobite in layer B (five layers deeper), then you can safely assume that the trilobite is older than the armored fish.

7 0
3 years ago
Which of the following best explains how insulin injections affect signal transduction in an individual with type 1 diabetes
Reptile [31]

Answer:

The correct answer is - option A. They serve as second messengers to regulate glucose uptake to cells.

Explanation:

Type one diabetes is a condition that is characterized as the inability to produce enough quantity or at all of the insulin by the beta cells of the pancreas. Therefore, a patient with this condition completely depends on exogenous insulin to maintain the sugar level in the blood.

Insulin is the hormone that removes the excess amount of glucose from the blood by the adipose tissue, liver cells, and skeletal muscle that uptake an extra amount of sugar. there are receptors present on the surface of the plasma membrane which binds with the insulin and acts as a secondary to regulate a cascade reaction to glucose uptake to cells.

3 0
2 years ago
How many fins do perch have? Name them:
Alona [7]
Perch have paired pectoral and pelvic fins, and two dorsal fins, the first one spiny and the second soft. These two fins can be separate or joined.
4 0
2 years ago
Can somebody help me with this?
leonid [27]

Answer:

Elements: H (hydrogen) He (helium) Li (lithium) Be (beryllium) B (boron)

compounds: H2O (water) H2O2 (Hydrogen peroxide) NsHCO3 (baking soda) NaCI (salt)

Element compound or mixture?: 1. Element 2. compound 3. Mixture of elements 4. mixture of compounds 5. mixture of elements and compounds.

Rewrite the sentences:

1. all matter is made up of tiny particles calles atoms and molecules

2. right

3. right

4. compounds are chemically joined together

task 2:

1. i know this is element

2. i know this is compound

3. i know this is mixture

task 3:

In this lesson i have learned that Atoms are in everything and are what makes up most of the stuff on earth. They are tiny molecules that make up me and everything around me. I have also learned that atoms are made up of Elements. Elements are chemical molecules that make up things like the air we breathe. However, when more than one element joins together a compound is formed. Compounds make up more physical things around me such as drinking water and salt for cooking. When many different compounds are joined together a mixture is formed. An example of a mixture can be sand and water.

Explanation:

3 0
3 years ago
Two objects of the same mass are on two different planets. Planet A has a force of gravity that is weaker than that of planet B.
galina1969 [7]

The answer would be B, The weight of the object on planet A will be greater than the weight of the object on planet B.

This is correct because the force of gravity on planet A pushes down on the mass to make it greater

This is also correct because I got it right on my test, hope this helps.

3 1
3 years ago
Read 2 more answers
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