Biology 1081 Exam 1 Review

Nucleotide bases in two strands of DNA pair through

What structure best represents a polymer?

The gonads produce steroids. The specific steroid-producing organelle in gonad cells is

An example of one of the ways a pH buffer helps to maintain homeostasis is to

Which cell structure is associated with its correct function in the cell?

a carbon atom can form covalent bonds with how many hydrogen atoms?

Which is NOT a misconception about evolution?

If a specimen contains 30% adenine in its DNA, how much cytosine will it contain?

Cyanide binds/impairs one of the molecules involved in the synthesis of ATP. The target organelle for cyanide must be

The major class of macromolecules that stores energy and makes up the major component of plasma membranes are _____.

What type of bonds form from the unequal sharing of electrons?

Which of the following is NOT a difference between DNA and RNA?

The emergent properties of water are the result of

Four major structural features that all cells have are

When one oxygen atom shares two pairs of electrons with another oxygen atom O2 is formed via a(n)

The functional group that characterizes an alcohol is _______.

After ingesting a toxin, a person will rely on which organelle to help detoxify and recover?

Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes

Which monosaccharide is NOT a six-carbon sugar?

The sequence of amino acids in a protein is its _____ structure.

Lemon juice has pH of 3.5, which indicates that it

Ribosomes are the structures in the cell that produce

An ion is different from an isotope, in that an ion...

Two monosaccharides are joined together in a polysaccharide by

The nucleus is to eukaryotes as the _____ is to prokaryotes

MgCl2 dissociates into Mg2+ and Cl- in water. What type of bond is involved in the formation of MgCl2?

A phospholipid has _____ fatty acids attached to glycerol, whereas a fat has ______.

If orange juice has a pH of 4, then it can be described as

Which level of organization is common to all life forms?

Oxygen has a higher electronegativity than hydrogen. Then which must be true about water?

Glycogen is to animal cells as ______ is to plant cells.

When one atom loses an electron to another atom, it results in the formation of

Glycosidic linkages connect _____ to form ______

The domain(s) ______, are composed of single celled organisms with minimum internal structure

What protein is found in chromatin?

The organelle that best enables an athlete's tissues to be metabolically active are

Which of the following must be true for natural selection to occur?

The atomic number of an atom is

The Golgi apparatus typically modifies proteins and lipids created by the endoplasmic reticulum by

Prokaryotes, such as bacterial cells, differ from eukaryotes in that eukaryotes

The strongest chemical bonds inside a cell are

The portion of an amino acid that makes the amino acid unique from the other 20 is

Which of the following is NOT bonded to the central carbon atom of an amino acid?

A dehydration reaction....

The structure that easily distinguishes a plant cell from an animal cell is

Plasma membranes are a feature of

Acetic acid gives vinegar its sour taste. The functional group of this acid is

What type of bond forms between hydrogen and carbon? (They have similar electronegativities)

What type of bonding is likely to occur between two water molecules or strands of DNA?

A protein's ___structure contains helixes and sheets from H-bonding between carboxyl and amino groups of the polypeptide

An amino acid containing a methyl group as its R group would be considered

______ is the polymer of glucose.

Which domain of life contains the most multicellular organisms?

What do all prokaryotic and eukaryotic cells have in common?

Protons are to atomic number as electrons are to _______.

How would a buffer react to a strong acid being added to a solution?

"All living organisms are composed of cells" is an example of what type of scientific statement

Sulfhydryl groups are mainly found in

An isotope is a/an _______ that has the same number of _____ but a different number of _______.

The functional group that forms bonds between R groups within a polypeptide and that stabilizes tertiary structures is

Which of the following nucleotide has a nitrogenous base with two rings ?

What provides the blueprint for the organization, development, and function of living things?

The organelle responsible for the biosynthesis of proteins that are destined for secretion by the cell is the

Identify the non-lipid molecule

Tays-Sachs syndrome (can't digest lipids); the organelle most likely to lack the proper enzyme needed for lipid breakdow

The nucleus is to eukaryotes as the ______ is to prokaryotes.

An explanation for a biological process that is substantiated by a large body of evidence is called a ______.

Which structure generates ATP in non-photosynthetic organisms?

The macromolecule composed of amino acids is a

Hydrocarbons do not easily dissolve in water because they

The nucleus of an atom is composed of

Molecules are made up of _____.

Beta pleated sheets and alpha helixes are examples of ______ structure.

What is NOT a characteristic shared by mitochondria and chloroplasts?

What is an isotope?

What do chaperonins do?