BIOL133 QUESTIONS AND VERIFIED ANSWERS|
100% CORRECT
reversible reaction
The equation below represents a(n)____________________.
2NO2 ↔ N2O4
Breaking of hydrogen bonds requires a lot of energy
Why does water boil at a higher temperature than butter, which is non-polar?
Isotopes
Carbon-12, Carbon-13, and Carbon-14 are examples of
baking soda
Before the battery in the car is jumped, the individuals notice the hook-ups on the battery
are corroded by acid. What substance can be used to clean the acid?
* natural science
* physical science
Chemistry and physics are fall into which field of science? Select all that apply.
The unique bonding properties of carbon allow it to create a huge variety of
biological molecules.
, Carbon represents less than 1% of the Earth's crust, but is 18% of the composition of
living things. Why?
25%
After 11,200 years, approximately _____________________ carbon-14 would remain in a
sample of wood.
* RNA
* DNA
* phospholipids
In an experiment, a researcher grew cells in medium containing radiolabeled phosphate.
What macromolecules would you expect to be radiolabeled when cellular components were
later separated?
* variation in length of amino acid backbone
* variation in tertiary structure
* variations in which amino acids are used
What factors allow a pool of 20 amino acids to produce thousands of unique proteins?
(Select all that apply.)
lactose and lactase
You and your roommate are grocery shopping. "I don't get it," she says. "My doctor said I
should buy this special milk because I don't digest it well. But this brand says 'lactose-free' and
this brand says 'lactase added' - which do I want?" You reply: "The
_______________ is a sugar in milk that you have trouble digesting, and
_________________ is an enzyme that will digest it for you.
nucleotides.
The building blocks of nucleic acids are
100% CORRECT
reversible reaction
The equation below represents a(n)____________________.
2NO2 ↔ N2O4
Breaking of hydrogen bonds requires a lot of energy
Why does water boil at a higher temperature than butter, which is non-polar?
Isotopes
Carbon-12, Carbon-13, and Carbon-14 are examples of
baking soda
Before the battery in the car is jumped, the individuals notice the hook-ups on the battery
are corroded by acid. What substance can be used to clean the acid?
* natural science
* physical science
Chemistry and physics are fall into which field of science? Select all that apply.
The unique bonding properties of carbon allow it to create a huge variety of
biological molecules.
, Carbon represents less than 1% of the Earth's crust, but is 18% of the composition of
living things. Why?
25%
After 11,200 years, approximately _____________________ carbon-14 would remain in a
sample of wood.
* RNA
* DNA
* phospholipids
In an experiment, a researcher grew cells in medium containing radiolabeled phosphate.
What macromolecules would you expect to be radiolabeled when cellular components were
later separated?
* variation in length of amino acid backbone
* variation in tertiary structure
* variations in which amino acids are used
What factors allow a pool of 20 amino acids to produce thousands of unique proteins?
(Select all that apply.)
lactose and lactase
You and your roommate are grocery shopping. "I don't get it," she says. "My doctor said I
should buy this special milk because I don't digest it well. But this brand says 'lactose-free' and
this brand says 'lactase added' - which do I want?" You reply: "The
_______________ is a sugar in milk that you have trouble digesting, and
_________________ is an enzyme that will digest it for you.
nucleotides.
The building blocks of nucleic acids are
