J Flashcards
The form of minerals formed upon combining a strong acid and a strong base.
salt
A chemical that is a combination of two or more different elements is called a(n)
Compound
A simple carbohydrate that plants and animals use to obtain energy is ___
Glucose
is composed of 3 fatty acids and a glycerol.
True fats
When a ____ is added in a solution, the pH in the solution do not drastically change.
buffer
____ gas in the atmosphere that cannot be directly used by plants and animals.
Nitrogen
The indigestible compound by animals that is found in plants.
Cellulose
The most abundant inorganic compound in the cell is ____
Water
fibrous protein
keratin
biocatalyst
enzyme
proteinaceous hormone
insulin
with quaternary structure
Hemoglobin
high energy carrier
ATP
transfers energy
NADP
contains Uracil
RNA
double stranded
DNA
a saturated fat
beeswax
olive oil
an unsaturated fats
a progesterone
sterol
found in cell membrane
phospholipid
building block of proteins
amino acids
building block of nucleic acids
Nucleotides
building block of carbohydrates
Monosaccharides
with no common building block
lipids
The process in which energy is released for use by the cell is called
Respiration
Phosphorus is essential for life for the biosynthesis of ___
All of the choices
NADPH
DNA
ATP
RNA
All of the choices
Which of the following solutions has the highest H ion concentration?
a solution with a pH of 1
If you are looking for the quickest source of energy, you should eat a food that contains a high percentage of
Carbohydrate
Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this solution?
weakly basic
The shape of a protein is determined by …..
the type and order of its amino acids.
Complete the following famous quote: DNA makes RNA and RNA makes……
protein
Organic molecules that serve as major source of energy for animals are the
carbohydrates
Lipids are good energy storage molecules because….
they have many carbon-hydrogen bonds.
Which of the following results in the storage of energy in terms of the ATP/ADP cycle?
The addition of a phosphate group
Which of the following is an unsaturated fat?
beeswax
cholesterol
soya oil
ear wax
soya oil
Phospholipids are important components of ____
plasma membrane of the cells
Which is TRUE for enzymes?
they speed up chemical reactions in cell
The three major types of organic polymers are ___
complex carbohydrates, nucleic acids, and proteins
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.
Genetic information is contained in coded units on chromosomes called
genes
Lipid found in membrane of all cells.
Phospholipid
Which is not a main chemical element for cell growth?
Calcium
Glycogen is the most common storage polysaccharide in plant cells.
True
All the higher levels of protein structure are consequences of their primary structure.
True
A chemical element cannot be broken down into simpler substances by chemical means.
True
The kinds of sugar in the nucleotides of DNA and RNA differ.
True
The major carbon source used by heterotrophs are organic compounds.
True
Nitrogen gas can be utilized by plants and animals for protein production since it is abundant in the atmosphere.
False
DNA and ATP are both informational macromolecules.
False
section of DNA, known as a gene, codes for carbohydrates.
false
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
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
Which is NOT true for proteins? Function as structural components and as enzymes.
Contain oxygen, carbon, phosphorus, hydrogen, and nitrogen atoms
Which of the following contains ONLY monomers?
monosaccharide, amino acid, nucleiotide
The element that is the backbone of all organic comnounds is
Carbon
The compound which is the hereditary material in living organisms is the
deoxyribonucleic acid
The most ubiquitous organic compounds in the animal’s body is
Protein
Water and oxygen are examples of ____ compounds
Inorganic
Meiosis reduces the number of chromosomes by half so that gametes have two sets of chromosomes from each homologous pair.
False
Chromosome duplication happens before and after the first meiotic cell division.
False
The cell membrane has the ability to selectively allow the transport of molecules in & out of the cell.
True
Mitosis is significant in biodiversity of living organisms since it produces variable genes that may increase higher chance of survival.
False
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
Glycogen is the most common storage polysaccharide in plant cells.
False
Which is NOT true for Prophase?
nuclear membrane disassembles
centrioles move to the poles
spindle fibers form
Chromosomes duplicate
Chromosomes duplicate
The most critical phase of the cell cycle is
S-phase
