which is false about cilia

move up and down to move a cell

which is true for Carbon

it is most abundant in living cells

which is false about carbohydrates

humans store excess energy as cellulose

why is science objective

to limit bias and fraud in scientific ommunity

which is false about DNA replication

process of making RNA using DNA as a template

which is false about atom stability

the 1st, 2nd, 3rd electron shells need to be filled to max with 2, 6, 8 e-

Which is false for chemical compound

summarizes number and type of atoms in a molecule

which is false about base pairing

two nucleotide sugars bonded to each other by covalent bonds in DNA

which is false about carbohydrates

carbohydrates consist of one or more fatty acids

which is a correct reason for why cells are small

large cells have higher metabolism, needs more nutrients

which is false about DNA

it has ribose sugar in its nucleotide

which is false about transport vesicles

transport organelles across cell

which is false about cell theory

every living organism is composed of two or more cells

which is not a characteristic of "life"

need to express love for each other

pick the correct definition of gene promoters

section of gene that functions as on/off for transcription

which is false about flagella

prokaryotes do not have a flagella

which is false about buffer systems

if pH is too basic they accept H+

which is false about fatty acids

triglyceride also known as oil has one fatty acid chain

which is false about mitochondria

has a folded inner membrane called Kristen

which is false about atoms

atomic number and atomic mass number of atoms are usually the same value

which is false for biomolecules

molecules that are only present in plants

which is false about plasma membrane proteins

does not take part in communicating with external environment

which is false about an Atom

electrons in atoms have a neutral charge

one element with different atomic mass numbers

which is false about nucleic acids

there are four different types of nucleotides

assessment by expert not directly involved in the research

which is false about ions

ions form when electrons are shared

which is false about denaturation

after denaturation, protein still has functions

which is true for single-blind experiment

the study group doesn't know who is placebo or treatment

which is false about atoms

the atomic number is the number of neutrons

studbud

Exam 1 Review

88 termsStudBud Administration25 plays

Chapter 1, 2, 3 and 11

Flashcards88 cardsFPractice quizPHost liveL

Questions 88

Answers

1
which is false about lysosome
they release broken molecules into cytoplasm for waste removal
they release broken molecules into cytoplasm for recycling
they breakdown macro-molecules using enzymes
their pH is basic (below 5)
2
which is false about cilia
move up and down to move a cell
move back and forth to move a cell
seen in animal cells
they are hair-like projections
3
which is true for Carbon
it is most abundant in living cells
it is an electron
it is most abundant in crust of Earth
it is not part of the periodic table
4
which is false about carbohydrates
humans store excess energy as cellulose
cellulose and starch are both found in plants
plants store cellulose in cell wall for strength
plants store excess energy as starch
5
cells of multicellular organisms can survive independently
False
True
6
which bond is formed between water molecules
ionic
covalent
hydrogen
strong
7
why is science objective
to limit bias and fraud in scientific ommunity
scientists are lazy
for funsies
it doesn't know any better
8
which is false about DNA replication
process of making RNA using DNA as a template
involves unwinding a DNA double helix
process of making DNA using DNA as a template
semi-conservative process (one old strand is conserved in new strand)
9
which is false about atom stability
atoms sometimes give away, gain or share electrons to be stable
the 1st, 2nd, 3rd electron shells need to be filled to max with 2, 8, 8 e-
the 1st, 2nd, 3rd electron shells need to be filled to max with 2, 6, 8 e-
outermost shell needs to be filled to capacity to be stable
10
Which is false for chemical compound
water is a chemical compound
sodium chloride is an example
summarizes number and type of atoms in a molecule
substance that contains atoms from two or more different elements
11
which is false about base pairing
two base pairs bonded to each other by hydrogen bonds in DNA
A pairs with T, G pairs with C
two nucleotide sugars bonded to each other by covalent bonds in DNA
a base from one strand pairs with complementary base on another DNA strand
12
which is false about microtubules
generate force to propel cell
rope-like cable
rigid-hollow cylinders that position organelles
move organelles like transport vesicles
13
which is false about carbohydrates
carbohydrates consist of one or more fatty acids
monosaccharides, disaccharides, and polysaccharides are examples
carbohydrates consist of one or more sugar
built from one carbon per H2O
14
which is a correct reason for why cells are small
smaller cell has higher metabolism, needs more nutrients
large cells have higher metabolism, needs more nutrients
smaller the cell, lower the surace area/volume ratio
larger the cell, higher surface area/volume ratio
15
which is false about DNA
it forms a double helix shape
it has ribose sugar in its nucleotide
it has deoxyribose sugar in its nucleotide
it has A, T, G, C bases
16
which is false about transport vesicles
moves lipids, proteins, carbs
they are small, membrane-enclosed sac
can be components of cell mebranes
transport organelles across cell
17
which is not a cause of cancer
mistakes in DNA base sequence
mutagens
DNA repair
smoking, UV light
18
which is false about cell theory
every living organism is composed of two or more cells
cell is the smallest unit of life
all cells living today came from pre-existing cells
every living organism is composed of one or more cells
19
which is not a characteristic of "life"
can be non-living
composed of cells
use energy from environment for metabolism
reproduce using DNA
20
which is not a characteristic of "life"
maintain a constant internal environment
can evolve
need to express love for each other
sense and respond to environment
21
pick the correct definition of gene promoters
section of denim jeans that has pockets
section of gene that functions as on/off for transcription
section of gene that makes enzymes
section of gene that makes glucose
22
which is not a step in DNA repair
redemption
recognition
removal
replacement
23
which group is typically not part of an experiment
group of scientists
treatment group
experimental group
control group
24
which is false about flagella
eukaryotic flagella move like whips
prokaryotic flagella spin like propellors
they help cells move
prokaryotes do not have a flagella
25
which is false about buffer systems
mix of chemicals that maintain pH by resisting change
if the pH is low, there is excessive H+, so buffer will accept H+
if pH is too acidic they accept H+
if pH is too basic they accept H+
26
All of the following are parts of a nucleotide except
base
sugar
phosphate
acid
27
which is false about fatty acids
saturated FA has single bonds
couldn't tell ya
triglyceride also known as oil has one fatty acid chain
unsaturated FA has one or more double bonds
28
which is false about mitochondria
generates ATP
performs cellular respiration
makes energy from food
has a folded inner membrane called Kristen
29
all of these are monomers except
nucleotides
sugars
amino acids
proteins
30
which is false about atoms
atomic number and atomic mass number of atoms are usually the same value
the number of protons and electrons in an atom is the same
all atoms have a distinct atomic number and atomic mass number
electrons weigh nothing compared to protons and neutrons
31
which is false about DNA polymerase
enzyme used in transcription
proofreads new strand
detects, removes and repairs mismatches
connects nucleotides to make new strand
32
which is false for biomolecules
carbs and lipids are examples of biomolecules
have a carbon backbone
molecules that are only present in plants
molecules that are unique to living cells
33
which is false for scientific theory
repeatedly confirmed by tetsing
body of knowledge that has been true for a long time
still under testing
accepted by experts
34
which is false about pH scale
acid releases H+ in water
base releases H+ in water
base releases OH- in water
pure water has pH of 7 (pure)
35
which is false about plasma membrane proteins
attaches to neighboring cells
it is part of fluid mosaic model
does not take part in communicating with external environment
enables transport
36
which is false about RNA
it has A, T, G, C base
it has ribose sugar
it has one strand
it has U base instead of T
37
which is false about an Atom
it is made of protons, electrons and neutrons
it is the smallest unit of an element
electrons in atoms have a neutral charge
protons and neutrons together make up the nucleus of an atom
38
which is the smallest of the following in biological heirarchy
community
molecule
atom
cell
39
what are isotopes
one element, with different atomic numbers
different elements, same atomic numbers
one element with different atomic mass numbers
different elements, same atomic mass numbers
40
which bond is formed when electrons are shared
iconic
covalent
ionic
hydrogen
41
which bond is formed between atoms with opposite electrical charges
weak
covalent
strong
ionic
42
which is false about nucleic acids
made of nucleotides
there are four different types of nucleotides
there are five different types of nucleotides
DNA and RNA are examples
43
what is peer review
sarcasm on research by friends
feedback by scientists on the same research project
assessment by expert not directly involved in the research
graded paper by mentor
44
which is false about ions
salts are held by ionic bonds
ions form when electrons are shared
K+, Na+ are examples
ions are formed when electrons are lost or gained
45
Every cell in individual does not express all genes
True
False
46
which is not a type of microscope
scanning electron
light
transmission electron
dark
47
which is false about denaturation
proteins denature
destruction of a protein's 3-D shape
after denaturation, protein still has functions
extreme temperature, pH and salt concentration can denature protein
48
Every cell in individuals has different genes
True
False
49
which is true for single-blind experiment
the study group doesn't know who is placebo or treatment
the scientists performing experiments are blind in both eyes
both researchers and study group don't know which is placebo or treatment
the scientists performing the experiment are blind in one eye
50
Prokaryotes are structurally and genetically more complex than Eukaryotes
True
False
51
which is false about atoms
the atomic number is the number of neutrons
the atomic number is the number of protons
atomic mass number is the number of protons plus neutrons
the atomic mass number is written at the bottom
52
which is false about functions of cytoskeleton
strengthens cell membrane
helps in movement of organelles
enables cell movement
it holds the DNA of the cell
53
Mitochondria and Chloroplast are believed to have been prokaryotes that were engulfed by predator ancestral cell
True
False
54
which is not a property of water
water evaporation has a cooling effect
sweating is an example of how water doesn't affect temperature
hydrogen bonding is responsible for water-water & water-surface interaction
water can change temperature
55
which is false about ER
RER makes lipids
SER breaks down toxic compounds
RER makes proteins
RER is dotted with ribosomes
56
which is false about plant vacuole
store ions and pigments
use light to make food for the plant
filled with water, gives cell support
act like animal lysosomes
57
which is false about metabolism by mitochondria
uses oxygen to process food
the food metabolized is sugars
generates CO2, ATP and H2O
generates CO2 and ATP as by-products
58
Cells have no control over gene expression when the environment changes
False
True
59
match the correct microscope with it's source
scanning microscope; electron
transmission microscope; light
scanning microscope; light
light microscope; electron
60
Define Biology
the mental characteristics or attitude of a person or group
study of life
study of insects
study of plants
61
which is false about endoplasmic reticulum
rough and smooth ER are types
they are interconnected tubes and flattened sacs
it stands for emergency room
it produces proteins and lipids
62
which is false about pH scale
a measurement of hydrogen ion concentration
more than 7 is acidic
scale ranges from 0-14
less than 7 is acidic
63
which of these describes Saloni best from the Biological Heirarchy
ecosystem
organism
biosphere
population
64
all of these are polymers except
lipids
carbohydrates
DNA
fatty acid
65
which is false about proteins
a protein is a polypeptide chain
there are two types of protein structure- primary and secondary
20 amino acids are arranged in different orders for different proteins
they are polymers of amino acids
66
What are the two main types of organisms on earth?
bacteria and archaea
saloni and melanie
prokaryotes and eukaryotes
plants and animals
67
which is false about golgi apparatus
use vesicles for mode of transportation
transport molecules inside or outside the cell
use vacuoles for mode of transportation
directs molecules to their final destination
68
which is false about cytoskeleton
consists of cylinders of special proteins
microtubules, intermediate filaments & microfilaments are all types
makes up the inside of the nucleus
consists of filaments of special proteins
69
Define technology
the mental characteristics or attitude of a person or group
practical application of scientific techniques and principles
used for transporting people or goods, especially on land
a body of knowledge and process for generating that knowledge
70
which is false about sterols
hormones are not sterols
they are lipids with hydrocarbon rings
can be components of cell membranes
cholesterol is an example
71
which is not a property of water
is it polar molecule
to limit bias and fraud in scientific ommunity
good solvent for charges or polar molecules
it is non-polar
72
which is false about lipids
fatty acids are the monomers
fats, oil, sterols are examples
both head and tail of a fatty acid chain are hydrophobic
they are hydrophobic
73
which is false about eukaryotic DNA
their DNA is compressed into chromosomes
prokaryotic DNA is highly compact while eukaryotic DNA is very loose
they use packaging proteins like histones
they are highly compact
74
which is not part of the nucleus
nuclear envelope
nuclear pores
cristae
nucleolus
75
which is false about intermediate filaments
rope-like cables
generate crawling movements in some cells
provide mechanical re-inforcement
made of proteins
76
All of these are true for Science except
is subjective
is objective
a body of knowledge and process for generating that knowledge
values evidence
77
select the correct response
light microscope creates 3-D view
transmission microscope creates 3-D view
light microscope bends light and magnifies upto 1000x
scanning microscope uses sliced specimens
78
which is false about mutations
a change in DNA base sequence
caused by mutagens
mutations can be neutral or harmful
caused by jumping
79
which is not a cell function of proteins
transport
as enzyme for catalysis
structure
for daily energy
80
which is false about microfilaments
thin, flexible proteins
create cell shape
generate crawling movements
also called microtubules
81
which is false about chloroplasts
oxygen is the by-product
capture energy from sunlight
makes CO2 and water as by-product
make sugars as food for plant
82
SDSU as a whole is part of which section of heirarchy
individual
ecosystem
community
population
83
all of the following are polysaccharides except
glycogen
cellulose
glucose
starch
84
which is not a function of the plasma membrane
anchors cell in place
brings in needed molecules and removes waste
it is completely permeable
communicate with other cells and the environment
85
which part of DNA is coding/ codes for something
introns
exons
transposons
spacer
86
Transposons are sequences that jump from one chromosome to another and can cause disruption in gene's functions
False
True
87
which is not a part of the scientific method
collecting data
propogation
observation
testing hypothesis
88
which is false about housekeeping genes
have been highly conserved during evolution
play a role in maintaining cellular activities
maintain cell
the jeans you wear when cleaning the house

Exam 1 Review Flashcards | StudBud