Straighterline Biology Final part answers (Answered) Questions and Correct Answers
Straighterline Biology Final part answers (Answered) Questions and Correct Answers
Straighterline Biology Final part 1
Which of the following equations is often used to show that an enzyme has formed a
complex with its substrate?
substrate + enzyme ⇒ enzyme-substrate complex ⇒ enzyme + product
Based on their chemical equations, photosynthesis and cellular respiration have which
of the following relationships?
opposite reactions
Which of the following cell structures is associated with cellular respiration?
mitochondria
In a pedigree for an autosomal recessive disorder, which of the following will occur if two
homozygous unaffected individuals mate?
They will have unaffected offspring.
What was the first seed plant to appear?
gymnosperm
Which of the following parts of a plant seed turns into the root system?
radicle
Both bacteria and archaea are which of the following types of organism?
prokaryotic
What type of muscle cell has branching, striated cells, each containing a single
nucleus?
cardiac muscle
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Which of the following accurately describes transcriptional control of gene expression in
eukaryotes?
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?
bathypelagic
Male peacocks having more ornate plumage than their female counterparts is an
example of which of the following features of ecological behavior?
sexual dimorphism
Organs are composed of tissues, which are composed of cells. This is an example of
which characteristic of life?
Living things have levels of hierarchical organization.
The smallest unit that has all of the characteristics of life is the
cell
Nutrient molecules are used to build cellular structures or for energy. This best
represents which characteristic of life?
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 ___.
DNA; from the parent
Which of the following is a potential consequence if people stop using technology in the
agriculture industry?
There could be a significant decrease in the amount of food produced
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Technology is the __________________________.
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?
kingdom Fungi
Which of the following domains contains organisms that are adapted to life in harsh
environments?
domain Archaea
Which domains contain organisms that lack a membrane-bound nucleus?
Archaea and Bacteria
A multicellular, photosynthetic organism with complex, specialized cells and tissues
would most likely be assigned to
kingdom Plantae.
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Which classification category includes the most species?
kingdom
Suggested evidence of natural selection at work in humans is the observation of
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?
cells-tissues-organs-organ systems-organism
Which level of biological organization is composed of several tissues?
organ
All the organisms of various species living within a given area constitute a(n)
biosphere
When comparing energy and chemicals in an ecosystem,
chemicals cycle over and over again but energy flows through once.
The layer where organisms can exist on the surface of the earth is the
biosphere
Which of the following is of least importance when concerning the preservation of
ecosystems?
Preservation of ecosystems allows humans to exploit as many resources as possible.
The most important factor that determines where major ecosystems are located on the
globe is
climate
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A community of organisms along with their physical environment constitutes a(n)
ecosystem
All the banded sunfish (Enneacanthus obesus) in a pond would comprise a(n)
population
The term "biodiversity" refers to
the total number of species, variation of species, and the ecosystems in which they live.
As the human population size increases,
biodiversity is adversely affected as humans have destructive effects on ecosystems.
All carbohydrate molecules
are composed of atoms of C, H, and the functional group -OH.
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