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BISC 101 MIDTERM
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Exam of 6 pages for the course BISC at BISC (BISC 101 MIDTERM)
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BISC 101 MIDTERMidentify the part of the new scientific method labeled #1 - correct answer-Exploration and
Discovery
Who attempted to explain change in living things by the idea of the inheritance of acquired
characteristics? - correct answer-Jean-Baptiste Lamarck
The smallest unit of biological structure that meets the functional requirements of "living" is
the - correct answer-cell
Which of the following sequences represents the hierarchy of biological organization from
the most complex to the least complex level? - correct answer-Biosphere, ecosystem,
community, population, organism
A suggested and testable explanation for an event is called a - correct answer-hypothesis
The type of logical thinking that uses related observations to arrive at a general conclusion is
called - correct answer-inductive reasoning
elements are anything that occupies space and has mass. True or False? - correct
answer-False
Atoms that gain or lose electrons - correct answer-ions
Covalent bonds are formed by attractive between. positively and negatively charged ions.
True or False? - correct answer-False
What type of chemical bond stabilizes crystals of table salt? - correct answer-Ionic bonds
water molecules attract one another via? - correct answer-hydrogen bonds
Which of the following elements is not particularly associated with living things? - correct
answer-silicon
The 'backbones' of the macromolecules of life are made of what element? - correct
answer-Carbon
Why is carbon dioxide not considered to be an organic molecule? - correct answer-it doesn't
contain hydrogen and doesn't have other carbon atoms bonded to it
What are the building blocks of carbohydrates? - correct answer-monosaccharides
Glucose - correct answer-monosaccharide
starch - correct answer-polysaccharide
, sucrose - correct answer-disaccharide
galactose - correct answer-monosaccharide
cellulose - correct answer-polysaccharide
chitin - correct answer-polysaccharide
fructose - correct answer-monosaccharide
maltose - correct answer-disaccharide
lactose - correct answer-disaccharide
glycogen - correct answer-polysaccharide
Actin, myosin, oxytocin, pepsin, catalase, and lactase are all - correct answer-proteins
proteins can/are - correct answer-made up of amino acids, bound together by peptide bonds,
can be enzymes
which are parts of the general structure of a protein - correct answer-R/functional group,
carbon atom, amino group, carboxy group
Magnesium has an atomic number of 12. Which of the following is true of a neutral
Magnesium atom? - correct answer-it has 12 protons, 12 electrons, and 12 neutrons
Which type of bond represents a weak chemical bond? - correct answer-a hydrogen bond
An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have? -
correct answer-11
Which of the following statements is false? - correct answer-Water is the most abundant
atom in Earth's atmosphere?
Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you
describe this solution? - correct answer-weakly basic
The pH of lemon juice is about 2.0, whereas tomato juice's pH is about 4.0. Approximately
how much of an increase in hydrogen ion concentration is there between tomato and lemon
juice? - correct answer-100 times
An example of a monosaccharide is - correct answer-fructose, glucose, galactose
cellulose and starch are examples of - correct answer-polysaccharides
Phospholipids are important components of - correct answer-the plasma membrane of cells
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