stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Biology Sem 1 Final Review Flashcards | StudBud
Explore
/
Biology Sem 1 Final Review
Biology Sem 1 Final Review
61 terms
·
StudBud Administration
·
206 plays
Imported from external platform
Flashcards
61 cards
F
Practice quiz
P
Host live
L
Questions
61
Answers
1
Hydrogen bonds are:
weak
source of power
strong
Stable
2
Which side of the polar molecule H2O is more negative?
hydrogen
oxygen
In the middle
neither
3
Scanning electron microscopes
Uses a beam of light to see cells
Have a lower magnification than a light microscope
Reveal surface structures of cells
Show internal structures of a cell
4
Negative feedback loops
brings the body closer to center target set point
amplifies stimuli and moves the body away from its target set point
5
Constant Variables in an experiment are
Kept identical in all groups
Control Group
Test Group
Experimental Groups
6
A cell that contains a nucleus and membrane bound organelles
golgi body
prokaryote
eukaryote
phospholipid bilayer
7
a molecule is
H2O --- H2O -----H2O
O
Air
H2O
8
Measured data (Quantitiative Variables) are:
Experimental Group
Independent Variable
Control Group
Dependent Variable
9
What is the function of the golgi body?
manufactures ribosomes
breaks down food and worn out cell parts
stores food, water and waste
Packages and sends materials to different parts of and outside the cell
10
Surface Tension is
The reason why rocks sink in water.
The reason ice floats on water
Cohesion of water molecules on the surface of water
A force causing liquids to move up a thin tube
11
oil doesn't mix with water because lipid molecules are
Hyrophilic, Non-polar
Hydrophobic, Non-polar
Hydrophobic, polar
Hydrophilic, Polar
12
The function of the chloroplast is....
Converts light energy into chemical energy, or photosynthesis.
Holds the cell together.
Breaks down the old parts of the cell.
Helps the cell move around.
13
Hydrogen bonds
hold atoms together
attract Oxygen to another Oxygen
only found in non-polar molecules
weakly hold water molecules together
14
What does a Vacuole do?
Controls what enters and exits the cell
Stores food, nutrients and waste
Makes proteins
IDK
15
The isotope of an atom has different number of
atoms
Protons
Electrons
Neutrons
16
Which type of epithelial cells may have cilia?
All of the aboce
Animal Cells
Bacteria cells
Plant cells
17
What can plant cells do that animal cells can't?
eat humans
make their own food
die and come back to life
use cell phones
18
what are the four macromolecules
protein, carbohydrates, lipids, nucleic acids
organelles, nucleus, organism, tissue
cell, protein, carbon dehydrates, lipids
protein, carbon dehydrates, lipids,nuclear acids
19
According to cell theory
The parts of the cell came about slowly
A group of tissue makes up a cell
Cells cannot live apart from other cells
Cells came from preexisting cells
20
Accuracy & Precision (points are close to each other)
High Accuracy, Low Percision
High Accuracy, High Precision
Low Accuracy, Low Precision
Low Accuracy, High Precision
21
This organelle is the control center of the cell.
nucleus
cell wall
cytoplasm
mitochondria
22
"If" in a hypothesis is the same as
Data
Cause
Conclusion
Effect
23
In the "conclusion" of an experiment, you have to refer back to
Data
Procedure
Hypothesis
Results
24
Last source of Energy in eukaryotes
Carbohydrates
Nucleic Acids
Lipids
Proteins
25
A scientific
law
A well-tested Hypothesis
Describes what something is
Repeatedly observed in nature
Can be rejected by more tests
26
Flexible covering around all cells. Controls the passage of materials in and out of the cell.
mitochondria
vacuole
nucleus
cell membrane
27
Which is NOT true about Rough ER...
contains enzymes
are responsible for the assembly of many proteins
are called "membrane bound"
has ribosomes on the surface
28
What is an isotope?
an atom with different numbers of neutrons and electrons
an atom with a different number of neutrons than its protons
an atom with a different number of electrons than protons
an atom with a different number of protons than its neutrons
29
Stages of Homeostasis Feedback Loop in order
Stimulus, Control Center, Response, Return to set point
Set point, Response, Feedback
Response, Set point, Control center, Stimulus
Stimulus, Response, Control Center, Set point
30
Jelly inside the cell that surrounds all organelles.
phospholipid
vacuole
cytoskeleton
cytoplasm
31
What consists of a phospholipid bilayer?
lysosome
cell wall
cell membrane
nucleus
32
Tha atomic number is the number of
Protons
Electrons
Neutrons
Isotopes
33
The smallest part of MATTER
Cell
Atom
Molecule
Compound
34
All of these are characteristics of living things EXCEPT ___________.
reproduction
homeostasis
movement
responds to stimuli
35
Discovered all animals are made of cells
Schleiden
Schwann
Virchow
36
Which organelle is the site of cellular respiration?
chloroplast
ribosomes
endoplastic reticulum
mitochondria
37
Cohesion....
Makes water less dense
Causes capillary action
attraction of two water molecules
attraction of two molecules of diffrent substances
38
To change from one objective lens to the other you would
use the coarse adjustment knob
adjust the diaphragm
move the stage clips
rotate the nose piece
39
Carbohydrates
Long-term source of energy
Body uses first for energy
build structures in the body
Store information
40
When the response amplifies the stimulus, this is...
positive feedback
neutral feedback
negative feedback
amplified feedback
41
What organelle is most important in maintaining homeostasis inside the cell?
cell membrane
cell wall
chloroplast
42
One example of polymer of lipids is
Amino Acid
DNA
Phospholipids
Glucose
43
Water is polar because...
O and H have equal charges
H is more negative than O
O is more negative than H
Polar bears swim in it
44
Describes a cell that has no nucleus and no membrane-bound organelles
eukaryote
prokaryote
45
A hypothesis must be ______
A question
Done by a scientist
A waste of time
Testable
46
What is the monomer of protein called?
Amino acid
Monosaccharide
Nucleotide
Glycerol
47
Science is:
A series of steps to improve something
Beliefs and values
Creating something new
The study of the physical and natural word
48
The first step in a Scientific Inquiry Process is:
Design Variables
Hypothesis
Form Conclusions
Observe and ask a question
49
discovered and named cells
Schwann
Hooke
Eli
Jansen
50
What is an electron?
Neutral subatomic particle in the nucleus
A measurement for energy
Negatively charged subatomic particle around the nucleus
Positively charged particle in the nucleus
51
Which macromolecule stores genetic information?
Carbohydrates
Protein
Nucleic acids
Lipids
52
Plant cells have larger vacuoles than animal cells.
False
True
53
In hydrogen bonding
+H are attracted to +H
-H are attracted to +O
-O are attracted to -O
+H are attracted to -O
54
What do Nucleic Acids do?
They keep your body safe from bacteria
Provide long-term energy
Store genetic information
Provide transportation inside the cell
55
Covalent Bonds:
Donate Electrons
Split Electrons
Give/Take Electrons
Share Electrons
56
The monomer building blocks of proteins are
Nucleotides
Amino acids
Monosaccharides
Proteins
57
Which type of cell contains a cell wall?
plant cell only
neither cell
animal cell only
both plant and animal cell
58
What does the diaphragm do on a microscope?
To hold the slide
To introduce bacteria to the lab
Let different amounts of light into the stage
To focus the microscope
59
Smallest living part of an organism
Molecule
Tissue
Atom
Cell
60
What is homeostasis?
The ability to stay awake for long periods of time
A disease that causes chronic illness
The ability to maintain a constant internal environment
The ability to regenerate tissue
61
What does a Ribosome do
Makes proteins
Makes the cell green
Creates energy for the cell
Holds information on how to make the cell
