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Midterm Review - Biology Semester 1 Flashcards | StudBud
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Midterm Review - Biology Semester 1
Midterm Review - Biology Semester 1
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1
During what period in the cell cycle does the cell make organelles in preparation for division?
S
G1
G2
M
2
What event occurs during interphase?
the nucleolus diappears
the cell grows
centrioles appear
spindle fibers begin to form
3
Where in the cell does aerobic respiration occur?
chloroplast
cytoplasm
nucleus
mitochondria
4
During the mitosis of a plant cell, which of the following does NOT form?
chromatids
a cell plate
spindle fibers
a cleavage furrow
5
Which of the following represents the phases of mitosis in the correct order?
telophase, metaphase, anaphase, prophase
prophase, telophase, metaphase, anaphase
prophase, anaphase, metaphase, telophase
prophase, metaphase, anaphase, telophase
6
Elements most commonly found in organic compounds
C, H, O
C, H, N
N, H, O
Na, K, H
7
What is total magnification of light microscope w/ an objective = 10x and an ocular lens = 40x?
400x
40x
30x
10x
8
Enzymes
are able to heat up molecules so that they can react.
absorb excess heat so that reactions occur at low temps
are biological catalysts
provide CO2 for chemical reactions
9
Biology is the study of...
plants
people
animals
life
10
The two main stages of cell division are called...
the M phase and the S phase
mitosis and interphase
mitosis and cytokinesis
mitosis and synthesis
11
Which of the following is not necessarily a characteristic of living things?
movement
reproduction
cell organization
homeostasis
12
Monomer of a carbohydrate
amino acids
monosaccharides
polysaccharides
disaccharides
13
The process where two chromosomes exchange genetic material is called _____.
crossing over
cytokinesis
synthesis
independent assortment
14
Monomer of proteins
monosaccharide
nucleic acid
disaccharide
amino acid
15
What is synthesized during the synthesis (S) phase of the cell cycle?
chromosomes
DNA
energy
centrosomes
16
Alternate forms of a gene are called...
gamete
phenotype
allele
genotype
17
If a true breeding white flower (dominant) was able to self pollinate, what the offspring be?
WW
Wr
ww
Ww
18
The scientific study of heredity
independent assortment
genetics
assortment
development
19
Cells resulting from meiosis are...
tetrad
haploid
diploid
homozygous
20
How many chromosomes does a normal human liver cell contain?
46
12
1
23
21
Of what are cell membranes composed?
carbohydrates and proteins
DNA and amino acids
lipids and proteins
proteins and amino acids
22
Which of the following is an example of a prokaryote?
liver cell
amoeba
bacterium
virus
23
Living things...
need energy for life processes
are composed of cells
have the ability to reproduce
all of the above
24
Usable source of energy for a cell
ATP
NADH
FADH2
ADP
