Use the chart to answer the following question. Biomolecule Elements Function Protein C, H, O Used for short term energy Lipids C, H, O Used by the body for grown and repair Nucleic Acids C, H, O, N, P Used to store and transmit genetic information Carbohydrate C, H. O, N Used to control the rate of reactions and regulate cell processes Which molecule in the chart above is paired with its correct elements and function? (1 point) Responses
Carbohydrates
Lipids
Nucleic Acids
Proteins
This chart provides evidence that enzymes speed up chemical reactions.
Nucleic Acids are responsible for the fact that parents who can taste PTC will most often have children who can taste PTC.
Forming the structure of the cell membrane is a function of lipids in a cell.
To give plants rigidity is NOT a way that fats are used in living things.
Lipids are polymers is NOT true about lipids.
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Proteins is the molecule paired with its correct elements and function in the chart.
The digestion of food involves the body’s use of enzymes to assist in breaking down organic compounds. The following chart illustrates the amount of time necessary for protein digestion in varying conditions. Digestion Rates or Protein Reaction Seconds Protein only 60 Protein + Acid 30 Protein + Acid + Enzyme 10 This chart provides evidence that enzymes (1 point) Responses
speed up chemical reactions
dissolve in water
maintain a specific pH
slow down chemical reactions
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
Proteins
Nucleic Acids
Lipids
Carbohydrates
Which of the following is a function of lipids in a cell?(1 point) Responses
transporting carbohydrates within the cell
synthesizing proteins
forming the structure of the cell membrane
producing enzymes.