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- Multiple ChoicePlease save your changes before editing any questions.
Plants store carbohydrates that they produce in the form of:
proteins
fats
starches
cytoplasm
- Multiple ChoicePlease save your changes before editing any questions.
Which chemical formula represents a carbohydrate?
CH4
C3H7O2N
C6H12O6
CO2
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The major role of carbohydrates in the human diet is to
form the membranes that surround mitochondria
act as a catalyst for cellular reactions
supply energy for the body
provide building blocks for amino acids
- Multiple ChoicePlease save your changes before editing any questions.
Base your answer to the question on the diagram and on your knowledge of biology. The diagram represents a portion of a starch molecule. The building blocks for this starch molecule are
amino acids
simple sugars
fats
molecular bases
- Multiple ChoicePlease save your changes before editing any questions.
Eating a sweet potato gives energy for human life processes. What is the source of energy in this sweet potato?
protein molecules stored within the potato
water molecules absorbed by the potato plant
starch molecules made by photosynthesis
vitamins and minerals found in the soil
- Multiple ChoicePlease save your changes before editing any questions.
Which compound has the structural formula shown in the diagram?
starch
PGAL
ATP
glucose
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There are over 2000 kinds of edible insects in the world, and they are becoming an increasingly popular source of protein. One cup of cricket flour contains over 28 grams of protein. The building blocks of the protein in cricket flour are
amino acids
water
simple sugars
carbohydrates
- Multiple ChoicePlease save your changes before editing any questions.
Proteins, starch, and DNA are similar in that they are all
organic compounds
parts of genes
made of amino acids
made of simple sugars
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The shape of a protein molecule directly determines its
movements through the cytoplasm
functions inside and outside of cells
roles in building water molecules
circulation throughout the body
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Three days after an organism eats some meat, many of the organic molecules originally contained in the meat would be found in newly formed molecules of
glucose
protein
starch
oxygen
- Multiple ChoicePlease save your changes before editing any questions.
In plants, simple sugars are least likely to be
linked together to form proteins
broken down into carbon dioxide and water
used as a source of energy
stored in the form of starch molecules
- Multiple ChoicePlease save your changes before editing any questions.
Which substances are inorganic compounds?
water and salts
proteins and carbohydrates
fats and oils
enzymes and hormones
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Which type of macromolecule store energy and provides thermal insulation for the body?
lipid
protein
nucleic acid
carbohydrate
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Which of the following molecules make up the basic structure of a cell membrane?
amino acids
proteins
monosaccharides
lipids
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What are different examples of lipids? Check all that apply.
fats
oils
waxes
amino acids
- Multiple ChoicePlease save your changes before editing any questions.
The characteristic that all lipids have in common is
made of lots of double bonds
low energy content
acidic when mixed with water
do not dissolve in water
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Which of the following is NOT a function of lipids?
long term energy
building of muscles
thermal insulation
electric insulation
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Which food(s) listed below would be composed of mostly lipids? Check all that apply.
butter
meat
apple
olive oil
- Multiple ChoicePlease save your changes before editing any questions.
Which food listed below would be composed of mainly protein?
strawberries
pasta
bread
steak
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Which of the following best describes a DNA molecule?
double helix
contains ribose
made of amino acids
contains Uracil
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Why is DNA important?
it is very small and very complicated
it's in everything
it serves as the blueprint for traits of all living things
because we eat it every day for energy