Applications 10th Edition by Cecie Starr,
Christine Evers, Lisa Starr GRADED A+
1. Dense, irregularly shaped region within the nucleus in which subunits of ribosomes are
synthesized is called the ___.
a. plastid
b. vacuole
c. nucleoplasm
d. nucleolus
e. basal body
ANS d. nucleolus
2. All cells ______
a. have dan suspended in the cytoplasm
b. produce ATP within the mitochondria
c. have membrane-bound organelles
d. have cytoplasm enclosed by a plasma membrane
e. have cell walls
ANS d. have cytoplasm, enclosed by plasma membrane
3. amino acids are the building blocks for ____
a. protiens
b. steroids
c. lipids
d. nucleic acids
e. carbohydrates
ANS a. proteins
4. membrane ____ proteins move specific substances across the membrane, typically by
forming a channel
a. transport
b. receptor
c. recognition
d. adhesion
e. enzyme
ANS a. Transport
5. what happens when a round cell expands in diameter?
a. its surface area and diameter increase with the cube of its diameter
b. its surface area and diameter increase with the square of its diameter
c. its volume increases faster than its surface area does
d. its surface area increases faster than its volume does
e. its volume and surface area expand by the same proportion
ANS c. its volume increases faster than its surface area does
, the association of four subunit peptides in a fully functional molecule of hemoglobin is an
example of ____ primary structure
a. primary
b. secondary
c. tertiary
d. quaternary
e. aggregate
ANS d. quaternary
6. negatively charged subatomic particles are known as
a. neutrons
b. protons
c. electrons
d. elements
e. atoms
ANS c. electrons
7. which structure is the primary site for the production of polypeptide chains?
a. Golgi bodi
b. ribosome
c. mitochondrion
d. lysosome
e. smooth endoplasmic reticulum
ANS b. ribosome
8. the smallest unit of life that can survive and reproduce on its own is a(n)
a. atom
b. cell
c. molecule
d. organ
e. population
ANS b. cell
9. in order to reduce bias and subjectivity, scientists perform experiments that yield ____
results
a. ambiguous
b. imprecise
c. quantitative
d. qualitative
e. subjective
ANS c. quantitative
10. four of the five answers listed below are kingdoms into which living organisms are
classified. Select the exception
a. Animalia
b. protista