8.L.5.1 Review

How are plant cells and human cells different?

• Human cells need food, but plant cells do not.

• Human cells need energy, but plant cells do not.

• Plant cells make their own food, but human cells do not.

• Plant cells make their own energy, but human cells do not.

One way humans store energy is by making the molecule glycogen. Clusters of which atoms are rearranged when the body digests plant sugars to make glycogen?

• hydrogen, nitrogen, carbon

• nitrogen, carbon, sulfur

• oxygen, sulfur, carbon

• carbon, hydrogen, oxygen

After a person eats, the food is converted into energy by

• muscles

• tissues

• bones

• cells

Why is protein an important part of a healthy diet?

• It is needed to change glucose to energy.

• It is needed to store nutrients.

• It is needed to repair tissue.

• It is needed to produce water.

Which part of a plant captures the light energy used in photosynthesis?

• guard cells

• chlorophyll

• roots

• mitochondria

Which is the main source of energy used in all body processes?

• fats

• proteins

• glucose

Crystal needs more protein in her diet. Which food sources will best provide the building blocks she needs?

• beans, poultry, and meat

• vegetables, seeds, and fats

• fruits, water, and dairy products

Which best describes the nutrients that are sources of energy for the body?

• fats and proteins

• fats and carbohydrates

• water and carbohydrates

What do cells use for energy storage and as a source of energy?

• carbohydrates

• cytoplasm

• proteins

• water

What hormone is used to convert glucose into energy?

• adrennaline

• estrogen

• insulin

• testosterone