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Biology 1104 Midterm Complete Study Questions And Answers With Real Tests
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Biology 1104 Midterm Complete Study Questions AndAnswers With Real Tests
Members of the domains Bacteria and Archaea are called ________ because they lack a nucleus and internal
compartments. ANS prokaryotes
Cells that possess a nucleus and a membrane system that establishes internal compartments belong in which of the
following groups? ANS eukaryotes
which of the following is a correct sequence of levels in classifying life, in increasing order of scecificity? ANS
domain, kingdom, phylum, class, order, family, genus, species
how does a population differ from an ecosystem? ANS an ecosystem includes a community, whereas a
population does not.
living organisms are members of all the level listed; however, rocks are components of ______ ANS the
ecosystem
a statement such as "if the human body temperate increases to a certain level, then critical proteins will be
denatured" would most likely be associated with _____ ANS seductive reasoning
researchers testing new drugs usually give the drug to one group of people and give placebos, "sugar pills," to
another group. the group receiving the placebo ______ ANS is the control group
which process used to solve problems in science involves accumulating facts through observation until the
evidence leads to a general statement about nature ? ANS inductive reasoning
an experimental food additive is being tested to determine its effect on serum cholesterol levels. lab rats will have
the supplement included in their diets at rates of 0.0, 0.1, 0.25, 0,50, or 1.0 mg/kg body weight. After six months,
cholesterol levels will be checked and recorded.
is this a controlled experiment ? ANS yes
, an experimental food additive is being tested to determine its effect on serum cholesterol levels. lab rats will have
the supplement included in their diets at rates of 0.0, 0.1, 0.25, 0,50, or 1.0 mg/kg body weight. After six months,
cholesterol levels will be checked and recorded.
what is the dependent variable in this experiment ? ANS cholesterol levels
an experimental food additive is being tested to determine its effect on serum cholesterol levels. lab rats will have
the supplement included in their diets at rates of 0.0, 0.1, 0.25, 0,50, or 1.0 mg/kg body weight. After six months,
cholesterol levels will be checked and recorded.
what represents the independent variable in this experiment ? ANS supplement rate
a testable explanation for an observation ANS hypothesis
a well-supported explanation for a particular scientific phenomenon ANS theory
the process of evaluating evidence and its source carefully before drawing conclusions. ANS critical thinking
The ability to maintain a constant internal environment is ANS homeostasis
a genetic trait that helps an organism survive and reproduce in its environment ANS adaptive trait
a neural atom must contain _____ ANS an equal number of protons and electrons.
an element with more or fewer neurons than the same element as it appears on the periodic table is known as
which of the following ? ANS isotope
oxygen, with an atomic number of 8, is a neural atom and has ______ electrons in the first electron shell & _____
electrons in the second electron shell. ANS 2;6
which of the following monomers is not paired correctly ? ANS all of these are paired properly.
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