Compare the functions of different types of biomolecules, including carbohydrates, lipids, proteins, and nucleic acids.
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Q 1/12
Score 0
Proteins and polysaccharides are polymers. These polymers are formed by dehydration synthesis. Which statement correctly identifies a difference in the structure of proteins and polysaccharides?
60
Only proteins can be large molecules with thousands of subunits
Only proteins are formed from amino acids joined by peptide bonds
Only polysaccharides are comprised of repeating units of cytosine, adenine, guanine, and thymine
Only polysaccharides can be folded and twisted to very specific shapes
Q 2/12
Score 0
Which of these best represents a fatty-acid molecule?
60
12 questions
Q.
Proteins and polysaccharides are polymers. These polymers are formed by dehydration synthesis. Which statement correctly identifies a difference in the structure of proteins and polysaccharides?
1
60 sec
BIOL.9a
Q.
Which of these best represents a fatty-acid molecule?
2
60 sec
BIOL.9a
Q.
Carbohydrates are more easily metabolized than lipids. However, on a gram-for-gram basis lipids provide cells with more -
3
60 sec
BIOL.9a
Q.
Which of the following biomolecules typically contains both nitrogen and phosphate?
4
60 sec
BIOL.9a
Q.
A student preparing for a hike wants to pack a snack that has biomolecules that provide quickly available energy but few excess calories. Which nutrition label lists the best combination of biomolecules that provide quickly available energy while providing the fewest calories from other types of biomolecules?
5
60 sec
BIOL.9a
Q.
The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are -
6
60 sec
BIOL.9a
Q.
Four different nucleotides are used as building blocks of DNA. Which of the following can be used to distinguish one nucleotide from another?
7
60 sec
BIOL.9a
Q.
The complex carbohydrates pictured below are made by linking molecules of glucose. In all three complex carbohydrates, the subunits of glucose are bonded together differently. Because they have different structures, they most likely -
8
60 sec
BIOL.9a
Q.
Students were given a list of seven elements and asked to identify the four elements that are most abundant in biomolecules. Which table correctly identifies the four most-abundant elements in biomolecules?
9
60 sec
BIOL.9a
Q.
Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about a protein and a carbohydrate is given below. How are ferritin and glycogen similar in their primary functions for an organism?
10
60 sec
BIOL.9a
Q.
An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provide energy. Which two biomolecules must the supplement contain to provide these benefits?
11
60 sec
BIOL.9a
Q.
Two biomolecules are shown. Which of the following best describes these biomolecules?
