Midterm Questions 3 Question Preview (ID: 27540)


Multiple Choice. TEACHERS: click here for quick copy question ID numbers.

Homeostasis means
a) a change over long periods of time
b) maintaining a stable internal environment
c) rapid change
d) the same thing as evolution

The electrons of an atom
a) are found in the nucleus along with the protons.
b) occupy the space surrounding the nucleus
c) have a positive charge
d) are attached to the positive charge of neutrons

All matter is composed of
a) cells
b) molecules
c) atoms
d) carbon

The father of genetics was
a) A. Knight
b) Hans Krebs
c) Gregor Mendel
d) None of the above

The scientific study of heredity is called
a) meiosis
b) cross-over
c) genetics
d) pollination

If a characteristic is sex-linked, it
a) occurs most commonly in males
b) occurs only in females
c) can never occur in females
d) is always fatal

a molecule that has a partial positive charge on one side and a partial negative charge on the other side is called
a) non polar molecule
b) polar molecule
c) charged molecule
d) bipolar molecule

The bond formed when two atoms share a pair of electrons is called a
a) hydrogen bond
b) ionic bond
c) covalent bond
d) water bond

Acidic solutions have a pH that is
a) less than 7
b) between 7 and 14
c) a negative number
d) more than 7

Which of the following is not an organic macromolecule?
a) carbohydrate
b) ice
c) lipid
d) nucleic acid

The passing of traits from parents to offspring is called
a) genetics
b) heredity
c) development
d) maturation

A change in a gene due to damage of being copied incorrectly is called
a) evolution
b) meiosis
c) segregation
d) a mutation

All organic compounds contain the element
a) carbon
b) nitrogen
c) calcium
d) sodium

Which of the following organic molecules are classified as carbohydrates
a) amino acids
b) fatty acids
c) nucleotides
d) sugars

Polysaccharides are
a) carbohydrates
b) lipids
c) proteins
d) unsaturated fats

Long chains of amino acids are found
a) carbohydrates
b) lipids
c) proteins
d) sugars

Which of the following are carbohydrates?
a) DNA
b) insulin
c) wax
d) sucrose

The two types of nucleic acids are
a) chlorophyll and retinal
b) RNA and DNA
c) lipids and sugars
d) glucose and glycogen

A diagram in which several generations of a family and the occurrence of certain genetic characteristics are shown is called a
a) Pungent square
b) monohybrid cross
c) pedigree
d) family karyotype

Since the allele for colorblindness is located on the X chromosome, colorblindness
a) cannot be inherited
b) occurs only in adults
c) is sex linked
d) non of the above

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