問題一覧
1
Cellular respiration is a single reaction that occurs in the mitochondria.
False
2
which of the following is a heterozygous genotype?
Aa
3
Males do not have X-Chromosomes?
False
4
Which of the following are some of the six most common elements in humans?
oxygen , hydrogen
5
Kinetic energy is____.
energy of motion
6
which of the following is true of meiosis
meiosis results in four cells with half the genetic material
7
Cellular respiration is the same as respiration.
False
8
If you change the number of protons of an atoms, what is the result?
a new element
9
Degradation reaction
results in the formation of smaller molecules
10
In which direction does the solute move during active transport?
up it’s concentration gradient
11
The custom is the same as the cytoplasm
False
12
Which of the following best describes water in the body?
a solvent
13
where does transcription occur?
nucleus
14
what is Buffer?
molecule that’s resists pH change
15
which of the following are true for enzymes?
enzymes determine which reactions will occur , enzymes are specific , substrate binds to an enzyme at the active site
16
Select all of the following that can cause a protein, such as an enzyme to denature.
too basic a pH, too acidic a pH , too high a temperature
17
Which of the following are typical functions of an animal cell?
take in nutrients , think
18
what type of macromolecule are proteins?
proteins
19
what is the product of translation?
protein
20
which of the following does facilitated diffusion require?
membrane protein , ATP
21
Sex linked disorders are most likely to affect men?
True
22
what is the product of transcription?
mRNA
23
Rough endoplasmic reticulum
process, modify, and package proteins
24
Which of the following are typically found in a cell membrane?
steroids , proteins , nucleotides
25
Which of the following is a reactant in cellular respiration?
glucose
26
how many pairs of chromosomes do humans have in their cells?
23
27
what is ribosomes?
synthesize proteins
28
What are electrons found in an atom?
shells orbiting the nucleus
29
what is cytoskeleton?
provides structure to the cell
30
what is mitochondria?
synthesize ATP
31
ionic bond
bond between two oppositely charged atoms
32
Down syndrome is an example of which type of genetic disorder?
trisomy
33
where are the phospholipids found in the body?
in cell membranes
34
Exergonic
results in products with decreased stored energy
35
An enzyme must determine in order to properly function.
false
36
INTERmolecular bond have?
bond between molecules
37
which of the following results in trisomy?
the additional of a chromosome
38
release of a neuro transmitter out of the cell would be best characterized as and example of the following?
exocytosis
39
what is microvilli?
increases cell surface area for absorption or secretion
40
which of the following are true about desaturation?
it results in the loss of the three-dimensional shape of a protein , it can be caused by extreme low temperature
41
If a nucleic acid undergoes hydrolysis the result would be the following.
nucleotides
42
which of the following is the expressed characteristics of a gene?
phenotype
43
Different versions of a gene are known as ___.
alleles
44
what is desmosomes?
a strong connection linking cells at one point
45
As pH drops the concentration of hydrogen ions ___.
increases
46
In which direction does the solute move during diffusion?
down it’s concentration gradient
47
Endergonic reaction
results in products with increased stored energy
48
Where does the energy come from that is used to remake ATP during the ATP cycle?
cellular respiration
49
Chromosomes are composed of ___.
DNA
50
what is gap junctions?
creates a pore between two cells allowing a signal to pass from one cell to the other
51
which of the following is true of mitosis?
mitosis results in two genetically
52
Does Anions have a postive or negative charge?
negative
53
Place the following steps of cellular respiration in order. 1. oxidative phosphorylation/ electron transport chain. 2. Citric Acid cycle 3. glycolysis
3, 2, 1
54
what is flagella
moves a cell
55
where does translation occur?
ribosomes
56
Assuming dimples (D) are dominant to no dimples (d) allele, which of the following geneotypes would NOT have dimples?
dd
57
Example of kinetic energy
sound
58
what is smooth endoplasmic reticulum?
produces lipids
59
what is nucleus?
contains DNA
60
what is a cilia?
moves substances past a cell
61
which of the following are common structures found in an animal cell?
cell membrane , nucleoid region
62
when an individual inherits two different alleles, which allele is the one expressed?
dominant allele
63
The genes for blood type demonstrate the following inheritance pattern.
codominance
64
Covalent bond
bond created by the sharing of a pair of electrons
65
what is the charge of the nucleus within an atom?
positive
66
what is phospholipids?
makes up majority of cell membrane structure
67
INTRAmolecular bond have?
bond within a molecule
68
what type of macromolecule are triglycerides?
lipids
69
Ions are critically important for muscle physiology, neurophysiological, release of neurotransmitters, and blood clotting.
True
70
Does CATions have a positive or negative charge?
positive
71
An atom can hold up to __electrons in the first shell, and up to __ electrons in its second shell.
2,8
72
In a solution of water and glucose, which is the solute?
glucose
73
when a disorder needs to be inherited from both parents to be expressed it would be considered___.
autosomal recessive
74
Hydrogen bond
bond between two polar molecules
75
what is Base?
proton acceptor
76
what is protein?
enzymes
77
Water is a ___.
polar molecule
78
Synthesis Reaction
results in the joining of atoms
79
A goal of cellular respiration is the creation of ___.
ATP
80
what is pH?
a measure of hydrogen ion concentration
81
what process would be required to join two amino acids together?
dehydration synthesis
82
what is acid?
proton donor
83
what is lysosome?
contains enzymes for digesting unwanted cellular components
84
Monosaccharides combine to form___.
carbohydrates
85
what happens when ADP, and energy loses a phosphate during the cell cycle?
It becomes ADP, and energy is released from the molecule.
86
what is the result of nondisjunction during meiosis l?
All resulting cells have an adnormal chromosome number.
87
which of the following are functions of water?
solvent , transport , lubricate , cushion
88
Which of the following is an Ion?
Ca2+
89
Atoms with an incomplete outer shell are said to be ____.
reactive
90
The monomer of a protein is ___.
amino acid
91
what is peroxisomes?
chimcal detoxification
92
what is tight junctions?
connects cells tightly, not allowing substances to pass in between cells
93
Potential energy
stored energy
94
Example of potential energy
concentration gradient
95
what is carbohydrates?
identification tags
96
which is the universal solvent in the human body?
water
97
which of the following requires ATP?
exocytosis, osmosis , simple diffusion , endocytosis