Unicellular organisms are made up of many different cells.

True

False

Answers

Answer 1
Answer: False - the answer is in the name. “Unicellular” means one cell.

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How many formula units are there in 0.9876 grams of zinc hydroxide

Answers

mass molar of  zinc hydroxide Zn(OH)2 = 99.424 g/mol

1 mole ----------> 99.424 g
 mole  ----------> 0.9876 g

mole = 0.9876 / 99.424

= 0.00993 moles of Zn(OH)2

1 mole ------------> 6.02x10²³ 
0.00993 ----------> units

units = 0.00993 * 6.02x10²³

= 5.977x10^21 formula units.

hope this helps!.


in their mechanism of action, a difference between lipid-soluble and water-soluble hormones is that _____.

Answers

In their mechanism of action, a difference between lipid-soluble and water-soluble hormones is that lipid-soluble hormones diffuse into the cell's plasma membrane to access protein receptors, while water-soluble hormones bind to protein receptors on the plasma membrane without diffusion.

Examples of lipid-soluble hormones are steroids. Examples of water-soluble hormones are polypeptides.

Final answer:

Lipid-soluble hormones pass through the cell membrane and directly interact with the cell's DNA, while water-soluble hormones bind to surface receptors, triggering intracellular signaling pathways.

Explanation:

In the field of Biology, the principal difference between lipid-soluble and water-soluble hormones lies in their mechanism of action. Lipid-soluble hormones, like steroid hormones, can easily pass through the cell membrane and interact directly with the cell's DNA to influence gene transcription. On the other hand, water-soluble hormones cannot cross the cell membrane due to their polarity. Instead, these hormones (such as peptides and amines) bind to receptors located on the cell's surface, triggering a series of intracellular events or signaling pathways that lead to a cellular response.In contrast, water-soluble hormones cannot passively cross the cell membrane due to their hydrophilic nature. They bind to specific receptors on the cell surface, triggering a cascade of intracellular signaling events through secondary messengers, such as cAMP or calcium ions. These signaling pathways ultimately result in the desired cellular response.

Learn more about Hormones Mechanism of Action here:

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Why is nonpoint source pollution potentially more harmful than point source pollution?a.Nonpoint source pollution disrupts the water cycle.
b.Nonpoint source pollution is difficult to regulate.
c.Nonpoint source pollution comes from more than one source.
d.Nonpoint source pollution is more damaging to living organisms than point source pollution

Answers

A, nonpoint souce pollution is "a main problem with water quality."

Edgeuity says the correct answer is B

Stars are formed from interstellar clouds because ofthe Law of Entropy
the Law of Universal Gravitation
the Law of Stellar Evolution
the Law of Propulsion

Answers

The answer is D. Stars are formed from interstellar clouds because of the Law of Universal Gravitation. The interstellar clouds are termed as nebula. When other stars dies a supernova occurs then the gravity from this pushes matter into the clouds until it cannot overcome the gravitational pull and it collapses which heats matter up forming a star.

This element has a complete outermost energy level and is found in the 4th period.

Answers

Krypton Krypton has 8 electrons in the outermost energy level. Tip:All elements excluding the Lanthinides and Aninides are in order by molecular structure, kind of. The last column will have a full outermost energy level

What is true at STP? 1) Temperature is 295 Kelvin.
2) One mole of gas occupies a volume of one liter.
3) Pressure is 1.0 atmosphere.
4) Volume is 2.4 liters

Answers

The correct answer for the question that is being presented above is this one: "3) Pressure is 1.0 atmosphere." STP stand for standard temperature and pressure. The values of STP are 22.4 liters, 1mole, 1.00 atmospheres, and 273 kelvin. Under these conditions, all gases behave ideally or the same.