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Biology

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Shanon Bosco

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โˆ™ 2021-09-30 20:41:34
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Cards in this guide (20)
Which part of the cell membrane prevents the cell from dissolving in water

fatty acids

What is it called when a molecule uses energy to move across a semipermeable membrane

active transport

Why is the phloem in a leaf important to the roots of a plant

It provides the roots with carbohydrates. (APEX)

What is the name for the protective structure that forms around an embryo

Placenta (Apex)

Which statement explains why oxygen molecules easily diffuse across a cell membrane while glucose molecules do not

glucose is too big to pass through (Apex)

What would happen if the fatty acids in a cell membrane were polar molecules

The cell would dissolve in water.

When a vegetable is placed in very salty water the vegetable becomes soft and collapses Why does this happen

Cause you added too much salt ans it is suppose to be oil you add to the water

Which organelle is responsible for folding proteins in the cell

Type your answer here... Which of these organelles is responsible for folding proteins in the cell?

Which is transported in the xylem of a plant

The Xylem of a plant transports water and some nutrients.

Which organism is most specialized

This question is apparently a popular multiple choice question for homework, quizzes or tests. The problem is that it can have a variety of possible choices. The correct answer would be the organism that has more types of cells in its structure or more systems. A fungus will be more specialized than a bacterium. A horse will be more specialized than a fungus.

What structure is most necessary for a mitochondrion to produce new molecules

hydrogen pump

According to cell theory which activity is impossible

The act of liver cells being generated by air would be impossible according to cell theory.

Certain eye stem cells can only differentiate into a few types of eye cells What kind of stem cell is this

Multipotent

Why can oxygen diffuse across a cell membrane but a protein cannot-

A protein cannot diffuse across a cell membrane because as the pore radius of the membrane approaches the protein radius, the mobility of the protein is significantly reduced

Which structure is the statement below most likely referring to

a semi-permiable membrane

Which of the following contains the greatest number is totipotent stem cells

A fertilized egg

A semipermeable membrane has a 2 salt Solution on one side and a 15 salt Solution on the other side what will most likely occur

Water will move from the side with 15 on it, to the side that has 2 on it, until the concentration of salt is equal on both sides.

A mitochondrion cannot produce new molecules. Which structure is most likely not functioning properly

Hydrogen pump (APEX)

A salmon moves from a saltwater ocean to a freshwater river. What takes place in the salmon's cells as it moves

The cells fill with water because of the movement of water by osmosis. (APEX)

Which process allows ions to move across a semipermeable membrane where the concentration of ions is low to where their concentration is even higher

Active transport BIOLOGY APEX

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