a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome.
What is Mutation???
100
Genetic code is the key for the conversion of DNA nucleotide sequences into amino acids sequences that will compose proteins.
What is the genetic code?
100
Protein
Lipids
Nucleic acids
Carbohydrates
What are the four types of macromolecules?
100
Energy from the sun, chlorophyll, carbon dioxide, water and minerals.
What are the raw materials required for photosynthesis?
100
ribosome
Which structure is the location where proteins are made in the cell?
200
A long Macromolecules that is the main component of chromosomes and is the material that transfers genetic characteristics in all life forms.Or two nucleotide strands coiled around each other in a ladder like arrangement.
What is a strand of DNA?
200
D. 3
How many bases of nucleic acid determine a single amino acid?
A. Four
B. One
C. Two
D. Three
200
B. covalent
Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.
A. noncovalent
B. covalent
C. ionic
D. hydrogen
200
Chlorophylls and carotenoids
Which are the two types of photosynthetic pigments?
200
nucleolus
Ribosomes are assembled in which nuclear structure?
300
A triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a protein molecule.
What is a "codon"?
300
C. Ligase
Which of the following is not a necessary component of translation?
A. Anticodon
B. mRNA
C. Ligase
D. Amino acid
300
D. All of the Above
Which of the following organic groups are found in naturally occuring amino acids?
A. Guanidinium ion
B. Indole
C. Imidazole
D. All of the Above
300
In cyanobacteria there are no chloroplasts and the chlorophyll layers are dispersed in cytosol.
Are there chloroplasts in cyanobacteria?
300
cytoskeleton, ribosome, nucleolus, and cell wall.
Which structures do not have an external membrane component?
400
the macromolecules that code your DNA which results in your traits
What information is coded into DNA?
400
C. to the small subunit
On the ribosome, mRNA binds
A. between the subunits
B. to the large subunit
C. to the small subunit
D. none of these
400
B. relative concentration of acids and bases
The pH of a solution is determined by
A. concentration of salt
B. relative concentration of acids and bases
C. dielectric constant of the medium
D. environmental effect
400
mitochondria chloroplasts have their own DNA, RNA and ribosomes and they self-replicate through binary division.
How do chloroplasts multiply?
400
Plasma membrane
Which organelle can allow the movement of molecules because it contains protein channels?
500
they are A to T and C to G
What are the four pairs of DNA bases that form in the double helix?
500
Each sequence of three nitrogen-containing bases of RNA that codifies one amino acid is called a codon. The codon is the codifier unit of the genetic code.
What is the name of an RNA sequence that codifies one amino acid?
500
A. are the reactions of the functional groups
The reactions of molecules
A. are the reactions of the functional groups
B. are independent of the functional groups
C. require an enzyme in all cases
D. all of the above
500
6 CO2 + 6 H2O + light --> C6H12O6 + 6 O2
What is the chemical equation of photosynthesis?
500
C. mitochondria
In which of the following cell organelles, it is expected to find the biochemical reactions that harness energy from the breakdown of sugar molecules to synthesize large amounts of ATP?
A. Lysosome
B. Vesicles
C. Mitochondria
D. Plasma membrane