Which compound contains nitrogen?(1 point)
Responses
glucose
glucose
starch
starch
water
water
amino acid
23 answers
amino acid
Which compound is a carbohydrate?(1 point)
glucose
Which compound is a carbohydrate?(1 point)
Responses
nucleotide
nucleotide
protein
protein
amino acid
amino acid
starch
Responses
nucleotide
nucleotide
protein
protein
amino acid
amino acid
starch
starch
What makes amino acids unique from one another?(1 point)
Responses
the R group
the R group
the long strands of glucose molecules
the long strands of glucose molecules
the amino group
the amino group
the carboxyl group
Responses
the R group
the R group
the long strands of glucose molecules
the long strands of glucose molecules
the amino group
the amino group
the carboxyl group
the R group
What do amino acids, fatty acids, and sugars (monosaccharides) have in common?(1 point)
Responses
They are used to make lipids.
They are used to make lipids.
They are made of carbon, oxygen, and nitrogen.
They are made of carbon, oxygen, and nitrogen.
They are made of carbon, oxygen, and hydrogen.
They are made of carbon, oxygen, and hydrogen.
They are used to make proteins.
Responses
They are used to make lipids.
They are used to make lipids.
They are made of carbon, oxygen, and nitrogen.
They are made of carbon, oxygen, and nitrogen.
They are made of carbon, oxygen, and hydrogen.
They are made of carbon, oxygen, and hydrogen.
They are used to make proteins.
They are made of carbon, oxygen, and hydrogen.
What is the definition of a hydrocarbon?(1 point)
Responses
large molecules that are produced by living things
large molecules that are produced by living things
a large chain of carbons and hydrogens bonded together
a large chain of carbons and hydrogens bonded together
a single line bonding carbon and hydrogen
a single line bonding carbon and hydrogen
electrons shared between two different atoms
Responses
large molecules that are produced by living things
large molecules that are produced by living things
a large chain of carbons and hydrogens bonded together
a large chain of carbons and hydrogens bonded together
a single line bonding carbon and hydrogen
a single line bonding carbon and hydrogen
electrons shared between two different atoms
a large chain of carbons and hydrogens bonded together
What is the significance of carbon having four valence electrons?(1 point)
Responses
The outermost shell never fills making it unstable.
The outermost shell never fills making it unstable.
The outermost shell can form up to four covalent bonds.
The outermost shell can form up to four covalent bonds.
The outermost shell is full, making it a stable.
The outermost shell is full, making it a stable.
The outermost shell can only bond with hydrogen.
Responses
The outermost shell never fills making it unstable.
The outermost shell never fills making it unstable.
The outermost shell can form up to four covalent bonds.
The outermost shell can form up to four covalent bonds.
The outermost shell is full, making it a stable.
The outermost shell is full, making it a stable.
The outermost shell can only bond with hydrogen.
The outermost shell can form up to four covalent bonds.
Which equation best represents conservation of matter?(1 point)
Responses
6H2O + 6CO2 → C3H6O3 + 3O2
6H 2 O + 6CO 2 → C 3 H 6 O 3 + 3O 2
6H2O + 10CO2 → C6H12O6 + 4O2
6H 2 O + 10CO 2 → C 6 H 12 O 6 + 4O 2
3H2O + 3CO2 → C6H12O6 + 6O2
3H 2 O + 3CO 2 → C 6 H 12 O 6 + 6O 2
6H2O + 6CO2 → C6H12O6 + 6O2
Responses
6H2O + 6CO2 → C3H6O3 + 3O2
6H 2 O + 6CO 2 → C 3 H 6 O 3 + 3O 2
6H2O + 10CO2 → C6H12O6 + 4O2
6H 2 O + 10CO 2 → C 6 H 12 O 6 + 4O 2
3H2O + 3CO2 → C6H12O6 + 6O2
3H 2 O + 3CO 2 → C 6 H 12 O 6 + 6O 2
6H2O + 6CO2 → C6H12O6 + 6O2
6H2O + 6CO2 → C6H12O6 + 6O2
What are reactants in a chemical reaction?(1 point)
Responses
substances that speed up reactions
substances that speed up reactions
substances that are formed by reactions
substances that are formed by reactions
inputs
inputs
outputs
Responses
substances that speed up reactions
substances that speed up reactions
substances that are formed by reactions
substances that are formed by reactions
inputs
inputs
outputs
inputs
During a chemical reaction, the number of atoms(1 point)
Responses
increases.
increases.
stays the same.
stays the same.
decreases.
decreases.
fluctuates.
Responses
increases.
increases.
stays the same.
stays the same.
decreases.
decreases.
fluctuates.
stays the same.
A large portion of cellular respiration happens in the mitochondria. For this reason, the mitochondria are known colloquially as the “powerhouses of the cell.” Which body organ could best be compared to the mitochondria?(1 point)
Responses
the brain because it controls the body
the brain because it controls the body
the stomach because it breaks down nutrients and releases energy for the body
the stomach because it breaks down nutrients and releases energy for the body
the lungs because they add oxygen to the body
the lungs because they add oxygen to the body
the heart because it pumps nutrients around the body
Responses
the brain because it controls the body
the brain because it controls the body
the stomach because it breaks down nutrients and releases energy for the body
the stomach because it breaks down nutrients and releases energy for the body
the lungs because they add oxygen to the body
the lungs because they add oxygen to the body
the heart because it pumps nutrients around the body
the stomach because it breaks down nutrients and releases energy for the body
Reliability refers to(1 point)
Responses
professionalism
professionalism
consistency
consistency
elegance
elegance
relevancy
Responses
professionalism
professionalism
consistency
consistency
elegance
elegance
relevancy
consistency
1 answer