Updated 2024 With Complete Solutions
Which of the following equations is often used to show that an enzyme has formed a
complex with its substrate? - ANSWER-substrate + enzyme ⇒ enzyme-substrate
complex ⇒ enzyme + product
Based on their chemical equations, photosynthesis and cellular respiration have which
of the following relationships? - ANSWER-opposite reactions
Which of the following cell structures is associated with cellular respiration? - ANSWER-
mitochondria
In a pedigree for an autosomal recessive disorder, which of the following will occur if
two homozygous unaffected individuals mate? - ANSWER-They will have unaffected
offspring.
What was the first seed plant to appear? - ANSWER-gymnosperm
Which of the following parts of a plant seed turns into the root system? - ANSWER-
radicle
Both bacteria and archaea are which of the following types of organism? - ANSWER-
prokaryotic
What type of muscle cell has branching, striated cells, each containing a single
nucleus? - ANSWER-cardiac muscle
Which of the following accurately describes transcriptional control of gene expression in
eukaryotes? - ANSWER-Transcription factors help RNA polymerase bind to promoter
sequences
You are most likely to see hag fish, sperm whales, and viperfish inhabiting which of the
following zones of the ocean? - ANSWER-bathypelagic
Male peacocks having more ornate plumage than their female counterparts is an
example of which of the following features of ecological behavior? - ANSWER-sexual
dimorphism
Organs are composed of tissues, which are composed of cells. This is an example of
which characteristic of life? - ANSWER-Living things have levels of hierarchical
organization.
The smallest unit that has all of the characteristics of life is the - ANSWER-cell
, Nutrient molecules are used to build cellular structures or for energy. This best
represents which characteristic of life? - ANSWER-Living things acquire materials and
energy from the environment
The blueprints for structural organization and metabolism are contained in ____, and
the offspring receive copies of these instructions ___. - ANSWER-DNA; from the parent
Which of the following is a potential consequence if people stop using technology in the
agriculture industry? - ANSWER-There could be a significant decrease in the amount of
food produced
Which statement regarding science technology is false? - ANSWER-Science technology
is a basis for all ethical or moral decisions
If a new anti-cancer drug is found to be effective in initial tests with mice, what might
researchers conclude? - ANSWER-The drug is effective in the mouse model; it must still
be tested in humans
Technology is the __________________________. - ANSWER-application of scientific
knowledge for a practical purpose.
You have discovered a previously unknown organism. It is multicellular, with a
filamentous form, and absorbs food from its environment. Upon microscopic
examination, you see that the cells have nuclei. How would you classify this organism? -
ANSWER-kingdom Fungi
Which of the following domains contains organisms that are adapted to life in harsh
environments? - ANSWER-domain Archaea
Which domains contain organisms that lack a membrane-bound nucleus? - ANSWER-
Archaea and Bacteria
A multicellular, photosynthetic organism with complex, specialized cells and tissues
would most likely be assigned to - ANSWER-kingdom Plantae.
Which classification category includes the most species? - ANSWER-kingdom
Suggested evidence of natural selection at work in humans is the observation of -
ANSWER-low hemoglobin levels despite high elevation in Tibetan populations over
generations
Which sequence correctly lists the different levels of biological organization, from the
smallest and simplest to the largest and most complex? - ANSWER-cells-tissues-
organs-organ systems-organism