Download Practice Exam 1 for Laboratory | BIO 1101 and more Exams Biology in PDF only on Docsity!
Practice Test
Hey guys! Try really hard with this test. I know how you feel about it, but it's
really good practice, so just try your best and we'll go over what you're sketchy
on!
You're smart enough to figure out what to do circle the best answer, write T or
F, match things up, you know the drill! GOOD LUCK!
- Science must be: a) Understandable ~ Consistent @)Testable d) Exclusive e) Reliable
2) What organelle is NOT found jr) a plant cell?
a) Mitochondria
b) Nucleus
~ Nucleolus
CQDCentriole
e) All of the above are not in the plant cell.
3) Which of the following are key concepts of biology?
a) There is unity and diversity in the world of life
b) Humans are the ultimate in evolution
c) Atoms are the basic unit of elements
~ Theories of evolution and natural selection explain the diverstiy
~ Both A and D
4) TRUE OR~ An isotope is an atom with the same number of protons
and a different number of electrons?
5) eR FALSE? You'd rather be doing anything else but this?
6) Which of the following bases is NOT found in DNA?
a) Adenine
b) Guanine
c) Thymine
d) Cytosine
~ Uracil
*Consider the macromolecule PROTEIN, and match the following terms with their
definitions
L- Are the monomers A)^ Heat
B) The R group (or
functional group)
C) Amino Acids
D) Quarternary
E) Change in pH
F) 3D structure
G) Peptide bond
H) Secondary sturcture
.f:s.- Is the SPECIFIC type of bond involved ~ Destroys the 3D structure ~ Determines the function .::f::.-- Gives functionality to the amino acid i1.--ls created MAINLY by hydrogen bonds -.l::L Hemoglobin exhibits this level of structure
What is the monomer of carbohydrates? a) Nucleotides b) Amino acids A. Fatty acids ~ Monosaccharides. e) Glycerol
The number of protons in an element is represented by: a) The number of orbitals j}J.. How many bonds it can form C9) The atomic number d) The atomic mass e) The atomic Bomb!
9) Carbon forms how many bonds?
a) 20,
c 4 all of these e) none of these ;0)
10)Consider a hydrocarbon (do you remember what those are?). For every
carbon there are four hydrogens. This hydrocarbon is said to be what?
(8'i')Saturated
'-0] Unsaturated
c) Trans
d) Cis
e) A big fat carbohydrate! ;0)
11 )Which of the following is cholesterol involved in? a) Regulating cell membrane fluidity b) Making food really really good c) Vitamin D formation 2>.. Hormone formation ~)Both A and C ~U \
18)Choose the correct order in the hierarchy of life I) Species Class Kingdom Family Genus Phylum Order II) Class Family Species Kingdom Order Genus Phylum
- Kingdom Phylum Order Family Genus Species
a) I only b) Illonly ~ )) IandllNone of the above
e All of the above
19)Which of the following is NOT one of the four major macromolecules? a) Protein
~ NucleiC Acid
c) Calcium
e) CarbohydratesLipids.
20)Which of the following is an example of a lipid? a) Cholesterol b) Glucose c) Waxes A All of the above ~OnlyAand C ", 21 )A substance has a pH of 7:
a) [OH1>[H+] b) [Hi>[OHl ~ No OH- is present d [Hi=[OHl r This substance could not exist
22)TRUE o~ Water has a destabilizing effect on the temperature.
2eR FALSE? Water is more dense in its liquid form.
24)Which organelles might represent an ancient symbiotic relationship? a) Central vacuole ~ c) ibOSOmeitochondria
Golgi bodies e) Lysosomes
25)Carbohydrates are the raw materials for manufacturing A TP in what organelle? a) Chloroplast
b) Rough ER c) Smooth ER A Peroxisomes ((~~') Mitochondria
26)ln 1820, who detected the nucleus? a) Robert Hooke cWJeSSi Houston c) /Robert Brown Dr. Tuberty e) My room mate Jason Grice!
27)Which of these is NOT component of a nucleotide? ~ b) AminoPhosPhate Acid group
c 5-carbon sugar d) Nitrogenous base. e) They are all parts of nucleotides!
2 ~ me this functional group a) )Amino ) Hydroxyl c) Carboxyl d) Aldehyde e) Phosphate
29)One of these macromolecules is the main component of the cell membrane. Which one is it? a) carbohydrates b) nucleic acids c) proteins -1IJ. Carbon <-!1' lipids
30)TRUE^ Covalent^ bonds are weaker^ than ionic bonds.
31)TRUE Ionic^ bonds^ involve^ a sharing^ of electrons.
""'
- Which of the following have a positive charge? (8)) proton "'-0) neutron c) carbon d) isotope e) electron
