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ratelena [41]
3 years ago
5

"Totipotency lasts for only a few days before the cells' fates are set as being the precursors to a specific lineage of cells."

What does this sentence mean? Restate in your own words.
Biology
1 answer:
musickatia [10]3 years ago
4 0

Pre-embryonic cleavages make use of the abundant cytoplasm of the conceptus as the cells rapidly divide without changing the total volume.

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Hydrosphere Part 1 / 34 of 46
dolphi86 [110]

Answer:

D

Explanation:

Because water vapour is a gas and evaporation is the process of turning a liquid into a gas so the water which is the liquid turns into water vapour the gas

8 0
2 years ago
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A student uses a liquid thermometer to measure the temperature of a substance in a beaker during science class. The teacher says
mamaluj [8]

Answer:

3

Explanation:

Allowing the thermometer bulb to touch the beaker will result in inaccurate readings because the thermometer will conduct heat from the beaker. This will be worse especially if the beaker is not at temperature equilibrium with the liquid inside. Also, don't handle the thermometer until the temperature levels off.

4 0
3 years ago
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Which of these statements describes some aspect of facilitated diffusion?a.Facilitated diffusion is another name for osmosis.b.F
frosja888 [35]

Answer:

D

Explanation:

Facilitated diffusion is a form of passive transport hence no energy is required by the cell. This means that while the molecules are moving down a concentration gradient – line normal diffusion – the movement of the molecules needs to be facilitated (in this case by a transmembrane protein) either because the molecule is polar and can't pass through the hydrophobic region of the cell membrane, or the molecule is too big to passively pass through the small natural pores of the cell membrane.

5 0
3 years ago
What type of transport id usually happening when oxygen is absorbed into cells
spin [16.1K]

Answer:

The answer is diffusion.

Explanation:

8 0
2 years ago
Water has special characteristics because of the nature of hydrogen bonds what are they?
Amanda [17]

Water has special characteristics because liquid water is denser than ice and ice floats on top of liquid water​.

Answer: Option A & D

<u>Explanation:</u>

A water molecule is formed by the covalent bonding between two atoms of Hydrogen atom with one atom of Oxygen. In water, the Hydrogen bonds are the one that keeps the water molecule intact.  

When the water molecule freezes the bonding becomes weak as they are separated and set apart which makes the liquid water denser than ice. Normally a substance floats if it is less dense. Ice floats because it is less dense than water.  

5 0
3 years ago
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