Biology Midterm Study Guide – Wells Questions
and Verified Answers, 100% Guarantee
The order and properties of amino acids determine the structure of a ____________________. -
protein
Enzymes are an example of which main class of organic compounds? - protein
In the burning of methane, what are the reactants? - methane (CH4) and oxygen (O2)
As much as _____ percent of Earth's water is on the planet's surface. - 70
Water (H2O) forms from hydrogen (H+) and oxygen (O2). Which chemical equation represents
the formation of water from these two elements? - 2H2 + O2 → 2H2O
True or False? The sterol cholesterol is an important part in regulating the size of arteries and
plays other vital roles in the body. - True
True or False? A high-fat diet can increase the risk for health problems, such as cardiovascular
disease. - True
Which of the following is/are acids? a. milk b. coffee c. soap d. orange juice? - Milk,
coffee, and orange juice; soap is a base
Complete the sentence using one of the following words: lithosphere, biosphere, or atmosphere.
The water cycle is the continuous movement and conversion of water in the living and non living
parts of Earth's ____________________. - atmosphere
, True or False? The nucleic acid consisting of two polynucleotide chains that makes up genes is
called DNA. - True
True or False? If two monosaccharides bond together, they form a carbohydrate known as a
disaccharide. - True
Why do the biochemical reactions of living things depend on water? - 1. Water can
dissolve many substances, and
2. Water must be present for many biochemical reactants to take place. 3. water may be a
reactant or a product
How would you distinguish between a hypothesis and a theory? - Scientific theories are
broad explanations for events that are widely accepted as true, while a hypothesis is a potential
answer to a question that can be tested
Yes or No?Is activation energy the same in every reaction? - No
True or False? Scientific theories are broad explanations that are widely accepted as true. -
True
All living things try to maintain a stable internal environment known as____________________.
- homeostasis
True or False? The atoms are rearranged in a chemical reaction and no new atoms are created in
the product. - True
____________________ is the process where water droplets in the clouds are pulled to Earth's
surface by gravity and can take the form of rain or snow. - precipitation
True or False? Organic compounds such as DNA or RNA are called nucleotides. - False.
RNA and DNA are made up of nucleotides.
and Verified Answers, 100% Guarantee
The order and properties of amino acids determine the structure of a ____________________. -
protein
Enzymes are an example of which main class of organic compounds? - protein
In the burning of methane, what are the reactants? - methane (CH4) and oxygen (O2)
As much as _____ percent of Earth's water is on the planet's surface. - 70
Water (H2O) forms from hydrogen (H+) and oxygen (O2). Which chemical equation represents
the formation of water from these two elements? - 2H2 + O2 → 2H2O
True or False? The sterol cholesterol is an important part in regulating the size of arteries and
plays other vital roles in the body. - True
True or False? A high-fat diet can increase the risk for health problems, such as cardiovascular
disease. - True
Which of the following is/are acids? a. milk b. coffee c. soap d. orange juice? - Milk,
coffee, and orange juice; soap is a base
Complete the sentence using one of the following words: lithosphere, biosphere, or atmosphere.
The water cycle is the continuous movement and conversion of water in the living and non living
parts of Earth's ____________________. - atmosphere
, True or False? The nucleic acid consisting of two polynucleotide chains that makes up genes is
called DNA. - True
True or False? If two monosaccharides bond together, they form a carbohydrate known as a
disaccharide. - True
Why do the biochemical reactions of living things depend on water? - 1. Water can
dissolve many substances, and
2. Water must be present for many biochemical reactants to take place. 3. water may be a
reactant or a product
How would you distinguish between a hypothesis and a theory? - Scientific theories are
broad explanations for events that are widely accepted as true, while a hypothesis is a potential
answer to a question that can be tested
Yes or No?Is activation energy the same in every reaction? - No
True or False? Scientific theories are broad explanations that are widely accepted as true. -
True
All living things try to maintain a stable internal environment known as____________________.
- homeostasis
True or False? The atoms are rearranged in a chemical reaction and no new atoms are created in
the product. - True
____________________ is the process where water droplets in the clouds are pulled to Earth's
surface by gravity and can take the form of rain or snow. - precipitation
True or False? Organic compounds such as DNA or RNA are called nucleotides. - False.
RNA and DNA are made up of nucleotides.
