Cells & Cell Transport

Which organelle is responsible for photosynthesis in plants?

• mitochondria

• golgi apparatus

• nucleus

• chloroplast

Which one of the following is an incorrect property of water?

• solid water is less dense than liquid water

• water molecules stick to each other

• water does NOT stick to anything

• water holds a large amount of heat before changing states

When placed in the same container, water and oil won't mix, because

• they are both polar

• water is polar and oil is non-polar

• water is non-polar and oil is polar

• they are both non-polar

Which organelle is the site of protein synthesis (making proteins)?

• lysosome

• ribosome

• mitochondrion

• nucleus

Carbohydrates are used for what in an organism?

• store hereditary information

• provide energy

• speed up chemical reactions

• long-term energy storage

Which organelle surrounds the cell and allows materials to come in or go out of the cell (controls what goes in and out of the cell)?

• mitochondria

• chloroplast

• cytoskeleton

• plasma membrane

DNA is found in the _______ and has the role of _______ in our cells.

• chloroplast... storing genetic information

• nucleus... storing genetic information

• chloroplast... generating energy

• nucleus... generating energy

Which type of cellular transport requires energy?

• active

• passive

• facilitated diffusion

• osmosis

Which organelle is responsible for providing energy for the cell?  (The powerhouse!)

• chloroplast

• golgi apparatus

• ribosome

• mitochondria

The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by

• diffusion

• active transport

• osmosis

• facilitated diffusion