BSC1005 MIDTERM MDC 136 questions
Correctly Answered.
BSC1005 MIDTERM MDC 136 questions
Correctly Answered.
What is Biology? - ANSWER- The scientific study of life.
Proper components of the SCIENTIFIC METHOD. - ANSWER- Observation, Question,
Hypothesis, Prediction, Experiment, Results, Conclusion.
Taxonomy is the ____? - ANSWER- Naming and classifying of species.
Which Kingdom of Eukarya consist primarily of unicellular organisms? - ANSWER-
Protista
What accounts for the different breeds of domesticated dogs? - ANSWER- Artificial
selection.
Relative to prokaryotic cells, eukaryotic cells are usually ______. - ANSWER-
EUKARYOTIC: Larger, and MORE COMPLEX.
What does adaption mean in a biological context? - ANSWER- The accumulation of
favorable variations in a population over time.
What is the difference between discovery science and hypothesis driven science? -
ANSWER- Discover science describes natural structures and processes as accurately
as possible through careful observation and data analysis.
Hypothesis- driven science is the observation and induction of discovery science. It
stimulates us to seek natural structures and processes.
A Hypothesis is a ____. - ANSWER- Tentative answer to a question.
What is a Gene? - ANSWER- A unit of inheritance.
The second Electron Shell of an atom can hold a maximum of _____ electrons. -
ANSWER- 8
All atoms of an element have the same number of _____. - ANSWER- Protons
Relative to a PH of 6, a PH of 4 has a ______. - ANSWER- 100 time high H+
concentration.
The lower the PH of a solution, the ________. - ANSWER- more acidic.
, BSC1005 MIDTERM MDC 136 questions
Correctly Answered.
______ is an example of an element. - ANSWER- Carbon
What are the reactants of the following chemical reaction? C6H12O6 + 6 H2O + 6 O2 +
---> 6 CO2 +12H2O - ANSWER- C6H12O6, H2O, and O2
Why is water considered a polar molecule? - ANSWER- The oxygen end of the
molecule has a slight negative charge, and the hydrogen end has a slight positive
charge.
Adjacent water molecules are joined by _______ bonds. - ANSWER- Polar and
covalent.
A Base ______. - ANSWER- Will increase the PH of a solution as it will lower the H+
ions.
Animals store carbohydrates as _______? - ANSWER- Glycogen.
The following molecule is best described as ______.
CH3 - CH2 - CH2 - CH2 - ANSWER- hydrocarbon.
A pleated sheet is an example of protein ______structure - ANSWER- Secondary
Carbohydrates typically include ______. - ANSWER- C, H, and O atoms.
A single carbon atom can form a maximum of ______ covalent bonds. - ANSWER- 4
Proteins are polymers constructed from _______ monomers. - ANSWER- Amino acid.
Which of the following is true regrading a DNA molecule? - ANSWER- The amount of
adenine is equal to the amount of thymine, and the amount of guanine is equal to the
amount of cytosine.
The following molecule is best described as _______.
CH3-CH2-CH2-CH2 - ANSWER- hydrocarbon.
Enzymes are? - ANSWER- proteins.
Destruction of a proteins shape is called _____. - ANSWER- denaturation
How do radioactive isotopes differ from isotopes? - ANSWER- RADIOACTIVE
ISOTOPES: UNSTABLE
ISOTOPES: STABLE
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