Biology HSA Review Cell Biology

The movement of molecules from an area of high concentration to low concentration.

The movement of molecules from an area of high concentration to low concentration. Answer: diffusion

This organelle functions to control what enters and exits the cell.

This organelle functions to control what enters and exits the cell. Answer: cell membrane

This organelle actually builds proteins.

This organelle actually builds proteins. Answer: ribosomes

This is the building block of the cell membrane.

This is the building block of the cell membrane. Answer: phospholipid

This is the control center of the eukaryotic cell.

This is the control center of the eukaryotic cell. Answer: nucleus

This is the “jelly” of the cell.

This is the “jelly” of the cell. Answer: cytoplasm

This is the site of photosynthesis in the plant cell.

This is the site of photosynthesis in the plant cell. Answer: chloroplast

This gives the plant its structure and is made of carbohydrates.

This gives the plant its structure and is made of carbohydrates. Answer: cell wall

These cells lack membrane bound organelles.

These cells lack membrane bound organelles. Answer: prokaryotic cells (bacteria)

This is a tail-like structure found on some prokaryotic cells.

This is a tail-like structure found on some prokaryotic cells. Answer: flagella

These are two examples of membrane bound organelles.

These are two examples of membrane bound organelles. Answer: mitochondria and golgi body

This characteristic of life is the ability to maintain a constant internal environment.

This characteristic of life is the ability to maintain a constant internal environment. Answer: homeostasis

This characteristic of life is describes the organization of an organism into small “units of life”.

This characteristic of life is describes the organization of an organism into small “units of life”. Answer: cells

These proteins have small passageways through which specific molecules may pass.

These proteins have small passageways through which specific molecules may pass. Answer: channel proteins

These proteins serve to “identify” the cell.

These proteins serve to “identify” the cell. Answer: marker proteins

These single-celled organisms do not have a nucleus.

These single-celled organisms do not have a nucleus. Answer: What are bacteria/prokaryotic cells?

These are the two types of reproduction.

These are the two types of reproduction. Answer: Sexual and Asexual

Prokaryotic (bacteria) cells use this type of asexual reproduction.

Prokaryotic (bacteria) cells use this type of asexual reproduction. Answer: binary fission

These small projections on some bacteria flow together to achieve motility (movement).

These small projections on some bacteria flow together to achieve motility (movement). Answer: cilia

This single celled amoeba uses these arm-like extensions to move and acquire food.

This single celled amoeba uses these arm-like extensions to move and acquire food. Answer: pseudopod/pseudopodia

This is the movement of water from an area of low [ ] of solute to an area of high [ ] of solute.

This is the movement of water from an area of low [ ] of solute to an area of high [ ] of solute. Answer: osmosis

This term means “high concentration of solute.” (Ex. Salt water)

This term means “high concentration of solute.” (Ex. Salt water) Answer: hypertonic

This term means “low concentration of solute.” (Ex. Salt water)

This term means “low concentration of solute.” (Ex. Salt water) Answer: hypotonic

In which of the above situations was a cell placed in a hypotonic solution?

In which of the above situations was a cell placed in a hypotonic solution? Answer: see above

If a blood cell is placed in a solution with a lot of solute, this would occur. Answer: see above

If a blood cell is placed in a solution with a lot of solute, this would occur. Answer: see above

This process creates identical copies of a single cell.

This process creates identical copies of a single cell. Answer: mitosis

After mitosis, the number of chromosomes in each cell is __________.

After mitosis, the number of chromosomes in each cell is __________. Answer: the same/identical/unchanged

These are two differences between animal and plant cells.

These are two differences between animal and plant cells. Answer: plant – large vacuole; chloroplast; cell wall

Both plant and animal cells have this organelle that performs cellular respiration.

Both plant and animal cells have this organelle that performs cellular respiration. Answer: mitochondria

Only plant cells have this green organelle that uses H2O + CO2 to make glucose C6H12O6.

Only plant cells have this green organelle that uses H2O + CO2 to make glucose C6H12O6. Answer: chloroplast

This process uses energy to bring large amounts of molecules into the cell.

This process uses energy to bring large amounts of molecules into the cell. Answer: endocytosis

This process uses energy to bring large amounts of molecules out of the cell.

This process uses energy to bring large amounts of molecules out of the cell. Answer: exocytosis