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Sharable: Spring 2023 Unit 1 exam review Flashcards | StudBud
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Sharable: Spring 2023 Unit 1 exam review
Sharable: Spring 2023 Unit 1 exam review
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1
Uses glucose to make ATP
mitochondria
ribosome
nucleus
lysosome
2
The study of cells is called
biology
histology
anatomy
cytology
3
In what direction will water move in a cell placed in a hypotonic solution?
into the cell
net movement will equal zero
out of the cell
4
Excess carbohydrates can be stored short-term as what molecule?
protein
monosaccharides
glycogen
lipids
5
The building blocks (monomers) of nucleic acids
glycerol
nucleotides
amino acids
fatty acids
6
Sucrose and maltose are examples of
disaccharides
monosaccharides
polysaccharides
polymers
7
If a solid is engulfed and transported into a cell this is
phagocytes
exocytosis
a lysosome
pinocytes
8
What body system is responsible for transporting nutrients & oxygen to every cell in the body?
Digestive
Nervous
Respiratory
Circulatory
9
What are proteins that attach cells to each other
facilitated diffusion
enzymes
mesentery
cell junctions
10
The hydrophilic part of the phospholipid bilayer is on the inside
True
False
11
Gap junctions
are formed by rings around a channel
always require active transport
hold cells together at a specific point
are formed by the fusion of the plasma membrane of adjacent cells
12
Movement of substances using carrier molecules to go from high to low concentration
facilitated diffusion
simple difffusion
osmosis
active transport
13
Where are proteins folded
Smooth ER
Golgi Bodies
Rough ER
Ribosomes
14
The gel-like substance inside the cell
Nucleoplasm
Cytoplasm
matrix
enzymes
15
What body system is responsible for regulating hormone levels in the body and controlling behavior?
Endocrine
Circulatory
Nervous
Respiratory
16
What are the levels of organization of organisms from the most simple to complex?
Cell, tissue, organ, organ system, organism
Tissue, cell, organ, organ system, organism
Organism, organ system, organ, tissue, cell
Organ, cell, organ system, tissue, organism
17
In a beaker of water; when the concentration of solute is higher outside than solute inside a cell
hypertonic
osmosis
isotonic
hypotonic
18
What type of junction allows free flow between cells
desmosomes
tight
gap
hemidesmosomes
19
Starch and glycogen are examples of
types of lipids
disaccharides
monosaccharides
polysaccharides
20
What is an example of Negative Feedback?
change in body temperature due to exercise
Labor contractions
Formation of a scab
body sounds during digestion
21
What type of junctions hold (snap) two cells together
desmosomes
hemidesmosomes
tight
gap
22
What is cellular energy (the energy of cells)
DNA
ATP
RNA
mRNA
23
Which of these is found in all cells?
DNA
All of the above
Cell membrane
Cytosol
24
Using energy to move substances against a concentration gradient
active transport
simple difffusion
facilitated diffusion
osmosis
25
Salts and ions travel through channels using
simple difffusion
active transport
osmosis
facilitated diffusion
26
The characteristics of an element are determined by:
The number of neutrons
its empirical formula
The number of outer valence electrons
its chemical formula
27
The sequence of the amino acids represents a protein's:
primary structure
secondary structure
tertiary structure
quaternary structure
28
The building blocks (monomers) of proteins
glycerol
nucleic acids
fatty acids
amino acids
29
What is a group of the same type of cell working together?
Organ
Tissue
Gland
Organ system
30
Which of the following creates cohesion between water molecules?
polar-covalent bonds
hydrogen bonding
ionic bonding
non-polar covalent bonds
31
What is the term for away from (from the axial)
proximal
superior
medial
distal
32
Destroys old organelles and invading bacteria/viruses
lysosome
nucleolus
chloroplast
ribosome
33
The building blocks (monomers) of lipids
nucleotides
amino acids
fatty acids
monosaccharides
34
What is the layer of fatty molecules that separates a cell from the extracellular (interstitial) fluid
cytoskeleton
Cell wall
Phospholipid bilayer
protein channels
35
Which is a function of plasma membrane proteins
receptors
all of the above
carriers
identity marker
36
Osmosis is the net movement of solutes
False
True
37
Osmosis is the movement of water
from areas of high concentration to low concentration
toward a hydrophobic substance
dissolving solutes in a solution
from areas of low concentration to areas of high concentration
38
The warehouse of cells; sorts, packages, and ships fats and proteins
Rough ER
Ribosomes
Golgi apparatus (body)
Smooth ER
39
What body system sends and receives electrical signals to regulate the body's responses?
Endocrine
Nervous
Respiratory
Circulatory
40
What type of junctions do you find in your skin
gap
tight
desmosomes
hemidesmosomes
41
The purpose of the cell membrane is to give the cell structure
True
False
42
Why do different types of cells from the same organism look different?
They have different DNA
They come from different organs
They all look the same
They have diffent jobs to do
43
Stable atoms have the same number of
electrons and protons
protons and neutrons
neutrons and electrons
44
The organelle that synthesizes lipids
Ribosomes
Golgi Bodies
Rough Endoplasmic Reticulum (RER)
Smooth Endoplasmic Reticulum (SER)
45
Where would you find a cell wall?
animal cell
plant cell
both animal and plant cell
46
Is osmosis active or passive transport
active transport
passive transport
47
Active transport often uses a pump
False
True
48
Glucose and fructose are examples of
monosaccharides
disaccharides
polysaccharides
amino acids
49
Blueprints for the body
tRNA
RNA
DNA
ATP
50
The liquid inside a cell is
carbohydrate
phospholipid
cytosol
vesicle
51
Where do proteins come from
Mitochondria
Ribosome
Vacuole
Lysosome
52
In a beaker of water; when the concentration of solute is lower outside than inside a cell
isotonic
hypotonic
hypertonic
osmosis
53
Which is the strongest bond?
hydrogen
ionic
covalent
James
54
What macromolecule helps make up the cell membrane
proteins
water
nucleic acid
lipids