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In 1931, a chemist named Arthur Fox was pouring some powdered PTC (phenylthiocarbamide) into a bottle when some of the powder accidentally blew into the air. A colleague standing nearby complained that the dust tasted bitter. Fox tasted nothing at all. Curious how they could be tasting the chemical differently, they tasted it again. The results were the same. Fox had his friends and family try the chemical then describe how it tasted. Some people tasted nothing. Some found it intensely bitter, and still others thought it tasted only slightly bitter (from The University of Utah Genetic Science Learning Center, 2013). It is estimated that 70% of the population can taste PTC and 30% cannot. We also know that the ability to taste PTC is passed from parent to child.

Which of the following molecules is responsible for the fact that parents who can taste PTC will most often have children who can taste PTC?

(1 point)
Responses

Nucleic Acids
Nucleic Acids

Carbohydrates
Carbohydrates

Lipids
Lipids

Proteins
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Which structure below represents the most abundant molecule in lipids?(1 point)
Responses







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All organic compounds are essential for life. Some compounds act as building blocks for muscle tissue and hair. Others are responsible for determining which traits are inherited by an organism. Which of the following combination of macromolecules provide energy for basic life functions?(1 point)
Responses

lipids and nucleic acids
lipids and nucleic acids

lipids and carbohydrates
lipids and carbohydrates

water and carbohydrates
water and carbohydrates

[nucleic acids and proteinD]
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The structure labeled X in the image above most likely represents

(1 point)
Responses

a hormone
a hormone

a receptor molecule
a receptor molecule

an antibody
an antibody

an enzyme
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Which of the following is a function of lipids in a cell?(1 point)
Responses

synthesizing proteins
synthesizing proteins

forming the structure of the cell membrane
forming the structure of the cell membrane

transporting carbohydrates within the cell
transporting carbohydrates within the cell

producing enzymes.
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Enzymes are a type of which of the following macromolecules?(1 point)
Responses

lipid
lipid

organic acid
organic acid

protein
protein

carbohydrate
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Which of the following represents a carbohydrate?(1 point)
Responses

butter
butter

hamburger
hamburger

cheese
cheese

hamburger bun
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If you were trying to build muscle, which of the following would you increase in your diet?(1 point)
Responses

amino acids
amino acids

monosaccharides
monosaccharides

phosphates
phosphates

glycerol
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All organic compounds contain the element
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Which of the following is a building block for a nucleic acid?(1 point)
Responses

fatty acids
fatty acids

amino acids
amino acids

nucleotides
nucleotides

monosaccharides
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Which of the following is NOT a way that fats are used in living things?(1 point)
Responses

As parts of biological membranes
As parts of biological membranes

To store energy
To store energy

To give plants rigidity
To give plants rigidity

As chemical messengers
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Which of the following is NOT true about lipids?(1 point)
Responses

Lipids are polymers.
Lipids are polymers.

Lipids are fats and oils.
Lipids are fats and oils.

Lipids are made up of fatty acids and glycerol.
Lipids are made up of fatty acids and glycerol.

Lipids are macromolecules.
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Which of the following is NOT a function of proteins?(1 point)
Responses

store and transmit heredity
store and transmit heredity

used to form bones and muscles
used to form bones and muscles

help to fight disease
help to fight disease

control the rate of reactions and regulate cell processes
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Match the following macromolecules with the appropriate example.(1 point)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Nucleic Acid
Lipid
Carbohydrate
Protein
Answered by answers bc why not
enzyme, DNA, coconut oil, Glucose
Answered by GPT 3.5
Proteins
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Fatty acids
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lipids and carbohydrates
Answered by GPT 3.5
Unfortunately, there is no image provided for reference, so I cannot determine the structure labeled as X. Please provide more information or the image itself.
Answered by GPT 3.5
forming the structure of the cell membrane
Answered by GPT 3.5
protein
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hamburger bun
Answered by GPT 3.5
amino acids
Answered by GPT 3.5
carbon
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nucleotides
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To give plants rigidity
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Lipids are polymers.
Answered by GPT 3.5
Store and transmit heredity
Answered by GPT 3.5
Unfortunately, you didn't provide the examples for me to match with the appropriate macromolecules. Please provide the examples that need to be matched.
Answered by GPT 3.5
enzyme - Protein
DNA - Nucleic Acid
coconut oil - Lipid
Glucose - Carbohydrate