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Bio I (NonMajors): Lecture Exam 1 (Ch 1, 2, 3) Flashcards | StudBud
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Bio I (NonMajors): Lecture Exam 1 (Ch 1, 2, 3)
Bio I (NonMajors): Lecture Exam 1 (Ch 1, 2, 3)
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Study practice for Lecture Exam 1 in Biology I NonMajors (Chapter 1, 2, 3)
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1
Fatty acid with NO carbon double bonds. (carbon is bound to hydrogen at all possible places)
unsaturated
saturated
polyunsaturated
2
Organism composed of many cells
unicellular
multicellular
3
The function of wax (like ear wax or bee hive wax) is
component of hormones
insulation
make up cell membranes
water proofing
4
Which of the following lists the hierarchy of life in DECREASING order of complexity?
molecules, cells, organs, organism
biosphere, cells, organs, atoms
molecules, organelles, ecosystems, cells
organs, tissues, cells, molecules
5
Fatty acid required by the organism but not made by the organism
essential fat
unsaturated fat
polyunsaturated fat
saturated fat
6
Anything that takes up space and has mass is matter.
x
true
x
false
7
Life is thought to be united by how main theories
4
0
1
8
8
Pili and cilia are used for the same purpose - movement
false
true
9
Making (synthesizing) polymers from monomers by removing water
dehydration synthesis
hydrolysis
10
Scientific inquiry that uses observations from an investigation to arrive at a conclusion
Deductive reasoning
Inductive reasoning
11
Which of the following is not true of hydrophobic
means "water fearing"
polar molecules are hydrophobic
lipids are hydrophobic
nonpolar molecules are hydrophobic
12
site of protein synthesis
nucleus
Golgi apparatus
ribosomes
vesicle
13
The ability to respond to stimuli is also known as
order
metabolism
reproduction
irritability
14
Primary energy molecule of the cell
RNA
DNA
ATP
gene
15
Proteins are diverse and have many functions.
false
true
16
Change in a population over time is
irritability
order
multicellular
evolution
17
Which of the following is true of carbohydrates?
includes polysaccharides like cellulose and glycogen
monomers is a monosaccharide
all these are true
used for energy and energy storage
18
which of the following is not true of nucleic acids?
nucleotide composed of phosphate, a sugar, and a base
deoxyribose is the sugar present in RNA
DNA has thymine and RNA has uracil
includes DNA, RNA, and ATP
19
Cells who function in high secretions have a high amount of this organelle
more than one nucleus
high amount of ribosomes
high amount of endoplasmic reticulum
high amount of Golgi apparatus
20
Group of atoms bonded together to form a large compound
element
macromolecule
molecule
atom
21
Atoms interact because their valence shells are full.
true
false
22
Movement of molecules which does NOT require energy
Passive
Active
23
the octet rules of atomic energy shells states which of the following?
an octopus has 8 tentacles (arms)
an octagon has 8 sides
a spider has 8 legs
all but the 1st energy shell can hold up to 8 electrons
24
Maintaining steady, balanced internal cellular environment.
homeostasis
irritability
evolution
genes
25
Pores in the plant cell wall for gas exchange and communication with other cells
phospholipid bilayer
tight junction of human cells
plasmodesmata
peptidoglycan
26
Peroxisome vesicles contain digestive enzymes.
true
false
27
Movement of molecules from high concentration to low across a semipermeable membrane
osmosis
facilitated diffusion
diffusion
endocytosis
28
pH above 7 is acidic
false
true
29
Large vesicle used for storage. (like that of plants that stores water or starch)
peroxisome
vacuole (central)
lysosome
Golgi apparatus
30
The electrons in the outer most energy shell of an atom are called
isotopes
valence neutrons
valence protons
valence electrons
31
If a red blood cell is placed in a HYPOtonic solution - the cells will
maintain homeostasis
swell up as water moves into the cell
shrink as water moves out of the cell
32
Scanning electron microscopes are used to
see the extreme details of the surface of objects
see large 3D objects
see cells and organelles
see the extreme details of internal structures of objects
33
Mitochondria and bacteria are about the same size.
false
true
34
Decomposers are vital to recycling energy nutrients into the ecosystem.
true
false
35
Which does not support the endosymbiotic theory of mitochondria and chloroplast?
they look similar to some bacteria
they can divide independently of cell
they have flagella
they have their own DNA
36
Bacteria that can survive and flourish in extremely harsh environments are members of
Domain Bacteria
Domain Archaea
Kingdom Animalia
Domain Eukarya
37
The scientific name contains the genus and the species taxa name using the
organic molecule structure
evolutionary tree
binomial nomenclature
genetic code
38
The mass of an element is composed of which of the following (which is located in the nucleus)
Number of protons
Number of electrons plus number of protons
number of protons plus number of neutrons
Number of electrons plus number of neutrons
39
which of the following is not true of cell walls?
functions to protect and support
plant cell walls made of cellulose
all these are true
fungus cell walls made of chitin
40
Group of cells with a common function.
organ
tissue
atom
organelle
41
Site of photosynthesis
ribosomes
mitochondria
chloroplast
rough endoplasmic reticulum
42
Which of the following is NOT true of lipids?
Plant oils are liquid at room temperature
Animal fat is liquid at room temperature
function as energy storage, insulation, and protection
monomer is a glycerol and 3 fatty acids
43
Which of the following is NOT present in both prokaryotic and eukaryotic cells?
DNA
nucleus
cytoskeleton
Ribosomes
44
Microfilaments, like actin, are the thinnest fibers of the cytoskeleton.
true
false
45
Which is NOT matched correctly?
Kingdom plantae = photosynthetic organisms
Kingdom Fungi = autotrophic organisms
Kingdom Animalia = heterotrophic organisms
Kingdom Protista = unicellular organisms
46
Which of the following is not true?
hydrophilic is water fearing
acids - compound adding H+ to solution
Solution is a mixture of a solvent and a solute
buffer - compound which resists pH changes
47
polar covalent molecules share electrons ___.
unequally
equally
they don't share electrons
48
Which of the following is NOT true of plants?
consumers
autotrophic
eukaryotic
producers
49
All chemical reactions that occur in an organism are collectively called:
genetic code
organic molecules
metabolism
evolution
50
which of the following is NOT true of water?
it has high heat of vaporization
it is a polar covalent molecule
it is a ionic compound
it has a high heat capacity
51
Which of the following is not true of the plasma membrane?
has protein channels that allow molecules to pass through
made of a phospholipid bilayer
all these are true
is selectively permeable
52
irreversible change of a protein due to change in temperature or pH.
denaturation
dehydration synthesis
hydrolysis
ionic bonding
53
Moving material into cells after it binds with a receptor protein of the extra cellular matrix.
hydrogen bonding
exocytosis
ionic bonding
receptor-mediated endocytosis
54
Segments of DNA that code for specific proteins are called:
lipids
adaptations
genes
fatty acids
55
Bacteria have a membrane bound nucleus with circular DNA.
false
true
56
Movement of a large material into the cell (like a white blood cell taking in a bacteria)
Phagocytosis
Exocytosis
facilitate transport
Pinocytosis
57
which of the following is not true?
protons are positively charged
protons and neutrons have a mass of 1 amu each
electrons are negatively charged
those are all true
58
Which of the following does NOT describe a prokaryotic organism?
small cells
has a membrane bound nucleus
contains a cell wall
Domains Archaea and Bacteria
59
Dew on a spider web - when water sticks to another substance- is an example of :
Cohesion
Adhesion
High heat capacity
High heat of vaporization
60
Atoms of the same element with different atomic masses (like Carbon 12 and Carbon 14).
macromolecules
Isotopes (possibly radioisotopes)
compounds
proteins
61
All the contents between the plasma membrane and the nuclear envelope is called
cytoskeleton
Golgi apparatus
ribosomes
cytoplasm
62
Several conditions can affect the rate of diffusion - like temperature.
false
true
63
The smallest functional unit of life is:
cell
organ
protein
atom
64
Thick mucous covering of a bacteria used for protection and thought to cause disease:
plasma membrane
flagella
capsule
cell wall
65
The photosynthesis reaction uses water, carbon dioxide, and sunlight to make sugar and oxygen.
true
false
66
Which of the following is
not
true of covalent bonds?
form by sharing electrons
can share equally or unequally
form by gaining or losing an electron
common bond for organic molecules
67
a charged particle formed by gaining or losing an electron.
proton
isotope
neutron
ion
68
Which of the following is NOT true of proteins?
bonded together by peptide bonds
long chains of amino acids (like a beaded necklace)
all true
several structure levels (primary, secondary, tertiary...)
69
weak attractions between a slight negative of one molecule and a slight positive of another
hydrogen bond
polar covalent bond
ionic bond
nonpolar covalent
70
Which of the following is NOT true of phospholipids?
they are both hydrophilic and hydrophobic
both of these are true
they make up the cell membrane of cells
71
Which of the following are lipid soluble and can pass easily through the plasma membrane?
oxygen
carbon dioxide
vitamins like A, D, and E
all of these are correct answers
72
Which of the following lists the taxa in order of general to specific?
Bacteria, Archaea, Eukarya
species, genus, family, order, class
domain, kingdom, phylum, class, order, family
Kingdom, phylum, class, family, domain
73
The folding structure level of proteins where the active site forms is which of the following?
primary
secondary
tertiary
quartenary
74
Which of the following is not true?
The hydroxyl group is the functional group of sugars
A phosphate group is the functional group of nucleic acids
An amino group is the functional group of proteins
those are all true
75
Biology is
the order of elements in the periodic table
the study of atoms
the study of Life
the study of Rocks
