J Flashcards
(66 cards)
1
Q
The form of minerals formed upon combining a strong acid and a strong base.
A
salt
2
Q
A chemical that is a combination of two or more different elements is called a(n)
A
Compound
3
Q
A simple carbohydrate that plants and animals use to obtain energy is ___
A
Glucose
4
Q
is composed of 3 fatty acids and a glycerol.
A
True fats
5
Q
When a ____ is added in a solution, the pH in the solution do not drastically change.
A
buffer
6
Q
____ gas in the atmosphere that cannot be directly used by plants and animals.
A
Nitrogen
7
Q
The indigestible compound by animals that is found in plants.
A
Cellulose
8
Q
The most abundant inorganic compound in the cell is ____
A
Water
9
Q
fibrous protein
A
keratin
10
Q
biocatalyst
A
enzyme
11
Q
proteinaceous hormone
A
insulin
12
Q
with quaternary structure
A
Hemoglobin
13
Q
high energy carrier
A
ATP
14
Q
transfers energy
A
NADP
15
Q
contains Uracil
A
RNA
16
Q
double stranded
A
DNA
17
Q
a saturated fat
A
beeswax
18
Q
olive oil
A
an unsaturated fats
19
Q
a progesterone
A
sterol
20
Q
found in cell membrane
A
phospholipid
21
Q
building block of proteins
A
amino acids
22
Q
building block of nucleic acids
A
Nucleotides
23
Q
building block of carbohydrates
A
Monosaccharides
24
Q
with no common building block
A
lipids
25
The process in which energy is released for use by the cell is called
Respiration
26
Phosphorus is essential for life for the biosynthesis of ___
All of the choices
NADPH
DNA
ATP
RNA
All of the choices
27
Which of the following solutions has the highest H ion concentration?
a solution with a pH of 1
28
If you are looking for the quickest source of energy, you should eat a food that contains a high percentage of
Carbohydrate
29
Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this solution?
weakly basic
30
The shape of a protein is determined by .....
the type and order of its amino acids.
31
Complete the following famous quote: DNA makes RNA and RNA makes......
protein
32
Organic molecules that serve as major source of energy for animals are the
carbohydrates
33
Lipids are good energy storage molecules because....
they have many carbon-hydrogen bonds.
34
Which of the following results in the storage of energy in terms of the ATP/ADP cycle?
The addition of a phosphate group
35
Which of the following is an unsaturated fat?
beeswax
cholesterol
soya oil
ear wax
soya oil
36
Phospholipids are important components of ____
plasma membrane of the cells
37
Which is TRUE for enzymes?
they speed up chemical reactions in cell
38
The three major types of organic polymers are ___
complex carbohydrates, nucleic acids, and proteins
39
Which of the following statements is NOT true?
Water molecules are cohesive.
Water is polar.
Water stabilizes temperature.
Water is essential for life.
Water is the most abundant atom in Earth's atmosphere.
Water is the most abundant atom in Earth's atmosphere.
40
Genetic information is contained in coded units on chromosomes called
genes
41
Lipid found in membrane of all cells.
Phospholipid
42
Which is not a main chemical element for cell growth?
Calcium
43
Glycogen is the most common storage polysaccharide in plant cells.
True
44
All the higher levels of protein structure are consequences of their primary structure.
True
45
A chemical element cannot be broken down into simpler substances by chemical means.
True
46
The kinds of sugar in the nucleotides of DNA and RNA differ.
True
47
The major carbon source used by heterotrophs are organic compounds.
True
48
Nitrogen gas can be utilized by plants and animals for protein production since it is abundant in the atmosphere.
False
49
DNA and ATP are both informational macromolecules.
False
50
section of DNA, known as a gene, codes for carbohydrates.
false
51
property of water that is vital to supporting life is that:
water is transparent
water can dissolve a wide variety of substances
water molecules are not charged
water is found naturally on Earth as a liquid, solid, and gas
water can dissolve a wide variety of substances
52
Which is a TRUE statement about enzyme activity between pH and enzyme action?
All enzymes work best at a neutral pH. Enzymes function only in a pH range of 4.0 to 5.5.
Adding more acid does not affect the rate of activity of an enzyme
The activity of an enzyme is affected by pH
The activity of an enzyme is affected by pH
53
Which is NOT true for proteins? Function as structural components and as enzymes.
Contain oxygen, carbon, phosphorus, hydrogen, and nitrogen atoms
54
Which of the following contains ONLY monomers?
monosaccharide, amino acid, nucleiotide
55
The element that is the backbone of all organic comnounds is
Carbon
56
The compound which is the hereditary material in living organisms is the
deoxyribonucleic acid
57
The most ubiquitous organic compounds in the animal's body is
Protein
58
Water and oxygen are examples of ____ compounds
Inorganic
59
Meiosis reduces the number of chromosomes by half so that gametes have two sets of chromosomes from each homologous pair.
False
60
Chromosome duplication happens before and after the first meiotic cell division.
False
61
The cell membrane has the ability to selectively allow the transport of molecules in & out of the cell.
True
62
Mitosis is significant in biodiversity of living organisms since it produces variable genes that may increase higher chance of survival.
False
63
Which of these is NOT one of the principles of the unified Cell Theory?
New cells come from existing cells
The characteristics of an organism depend on its individual cells.
All cells have a nucleus
All life is made of cells
Cells are the basic unit of life
All cells have a nucleus
64
Glycogen is the most common storage polysaccharide in plant cells.
False
65
Which is NOT true for Prophase?
nuclear membrane disassembles
centrioles move to the poles
spindle fibers form
Chromosomes duplicate
Chromosomes duplicate
66
The most critical phase of the cell cycle is
S-phase
