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Fall Semester Bio 312 Exam Review 2024 Flashcards | StudBud
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Fall Semester Bio 312 Exam Review 2024
Fall Semester Bio 312 Exam Review 2024
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1
A child looking similar to its parents is an example of:
made of cell
growth and development
genetic code (DNA)
response
2
Where is DNA located in a eukaryotic cell?
In the nucleus
In the mitochondria
In the chloroplasts
In the cytoplasm
3
What is a chromosome?
A segment of DNA
A segment of a gene
Tightly wound genetic material and protein
A type of reproduction
4
Stacks of flattened membranes which package substances for transport in cells
(like FedEx)
Nucleolus
Ribosome
Rough ER
Golgi apparatus
5
This weak bond forms
between
water molecules, and also connects the base pairs in a DNA molecule
ionic
covalent
hydrogen
peptide
6
The ONLY prokaryotic organisms that exist are bacteria and archaea.
FALSE
TRUE
7
Cells with a true nucleus include:
plant cells
eukaryotes
animal cells
all of these
8
Which choice is
not
a part of the cell theory?
Every organism is cellular
Cells are life's most basic subunit
All living things are composed of cells
All cells come from nonliving cells
9
What nitrogenous base does RNA contain in place of thymine?
guanine
adenine
uracil
cytosine
10
What enzyme breaks down the hydrogen bonds between the nitrogenous bases of DNA?
polymerase
amylase
protease
helicase
11
A plant biologist who determined that all plants are made of cells
Schleiden
Linnaeus
Schwann
Hooke
12
This organelle is found in eukaryotes & is the site of ENERGY production (ATP!)
chloroplast
mitochondria
plasma membrane
lysosome
13
Organelle which provides structural support to cells.
Golgi apparatus
cytoskeleton
lysosomes
endoplasmic reticulum
14
Organelle serving as the
control center
of eukaryotic cells.
nucleus
cytoplasm
DNA
cell membrane
15
Cellular structure similar to a tail which helps certain cells to move
microtubule
cilia
microfilament
flagella
16
Structure
inside the nucleus
whose function is to make ribosomes.
cytoplasm
nuclear pore
lysosome
nucleolus
17
Regulates what enters & exits a cell.
cell membrane
nucleus
rough ER
cytoplasm
18
Small unicellular organisms which lack a true nucleus
ribosomes
prokaryotes
eukaryotes
mitochondrion
19
The study of living things is:
genetics
biology
ecology
science
20
Scientist who used magnifying glass to observe tiny living things in pond water & teeth scum ;)
Hooke
Virchow
Schleiden
Leeuwenhoek
21
DNA : RNA ::
2 strands: 1 strand
1 strand: 2 strands
22
What is the correct sequence for making proteins?
DNA->Transcription->mRNA->Translation->Protein
Protein->Transcription->mRNA->Translation->DNA
RNA->Transcription->mRNA->Translation->DNA
DNA->Translation->mRNA->Transcription->Protein
23
This term means
"little organ"
organelle
organ system
tissue
cellular makeup
24
Organelle containing digestive enzymes, which breaks down nutrients and cleans up wastes &/or old cell parts
vesicle
mitochondria
lysosome
ribosome
25
An organelle which
stores
different substances in plant cells, such as water & dissolved nutrients
vacuole
nucleolus
nucleus
Golgi apparatus
26
Which of the choices below is NOT a form of passive transport used by cells?
osmosis
facilitated diffusion
active transport
simple diffusion
27
The first step of the scientific method is always:
collect data
observation
experiment
create a hypothesis
28
The cell membrane is comprised primarily of:
none of these is correct
phospholipids & proteins
nucleic acid channels
carbohydrates
29
Living things are
organic
which means that they are built out of which main element?
carbon
oxygen
hydrogen
nitrogen
30
Said "omnis cellula e cellula," which translates that all cells come from pre-existing cells
Hooke
Leeuewenhoek
Schwann
Virchow
31
The
organelle
which generates the majority of ATP for a cell is the
lysosome
mitochondria
endoplasmic reticulum
chloroplast
32
The attraction of a water molecule to a different substance such as the side of a glass beaker is known as:
adhesion
cohesion
polarity
solvent
33
The sugar found in DNA is:
nucleotides
ribose
deoxyribose
guanine
34
Protein-producing organelle found in prokaryotes & eukaryotes.
ribosomes
Golgi apparatus
nucleus
endoplasmic reticulum
35
Which RNA molecule is transcribed from a DNA sequence of A-G-T-A?
T-C-A-T
U-A-C-T
C-A-G-C
U-C-A-U
36
Credited with naming the cell
VanLeeuwenhoek
Schleiden
Hooke
Schwann
37
A sugar, phosphate and nitrogen base make up a(n):
monosaccharide
nucleotide
protein
amino acid
38
The
hydrophilic
portion of a phospholipid _____ water.
is repelled by
can't stand
is attracted to
turns away from
39
Jelly-like substance within the cell, providing support & suspending the organelles
Nucleus
Smucker's grape
Mitochodria
Cytoplasm
40
A catepillar transforming into a butterfly is an example of:
homeostasis
evolution
growth and development
genetic code
41
What type of RNA matches the coded mRNA message and carries amino acids to the ribosome?
transfer RNA (tRNA)
ribosomal RNA (rRNA)
messenger RNA (mRNA)
42
Transport network of membranes which produces & then moves substances through a cell; exists in rough & smooth varieties
nuclear membrane
Golgi apparatus
endoplasmic reticulum
cytoskeleton
43
In a controlled experiment, how many variables should be changed at a time?
2
4
1
3
44
Site of photosynthesis in cells that can make their own food
Ribosome
Chloroplast
Mitochondria
Rough ER
45
Which does
not
accurately describe the cell membrane?
selectively permeable
composed of cellulose
lipid bilayer
fluid mosaic
46
Which RNA molecule makes a temporary copy of DNA?
mRNA
rRNA
tRNA
none
47
A stable internal environment is known as:
homeostasis
metabolism
growth
evolution
48
All cells possess
cytoplasm
cytoskeleton
nuclear membrane
a cell wall
49
A single organism making an exact copy of itself is:
asexual reproduction
sexual reproduction
50
An unequal sharing of electrons between atoms in a molecule leads to:
density
polarity
high specific heat
solvent