Practice quiz
Biology Basics Quiz
Test your knowledge of fundamental biology concepts with our engaging quiz! Perfect for students and educators alike, this quiz covers topics such as cellular respiration, genetics, and molecular biology.
Check your understanding of:
- Nucleotides
- Acid-base chemistry
- Meiosis and Mendelian genetics
- Enzyme behavior
Which of these is NOT part of a nucleotide?
A nitrogenous base
A fatty acid
A phosphate group
A sugar
As the number of H+ ions increases in a solution, we say that this solution is becoming more _____.
Acidic
Basic
In a dehydration synthesis reaction, what is produced as a product when two monomers are linked together?
A carbon dioxide molecule
An oxygen molecule
A water molecule
Nothig
If we form a single covalent bond between a carbon atom and a hydrogen atom, how many electrons do they share?
1
2
3
0
Atoms with one electron in the valence shell, or with only one empty space for an electron in the valence shell, are most likely to form ___________ bonds.
Ionic
Covalent
Hydrogen
Which organelle is found in both prokaryotic cells and eukaryotic cells?
Mitochondria
Centriole
Chloroplast
Nucleus
Ribosome
A single NADH molecule has enough energy to power the production of ______ ATP molecule(s).
One
Two
Three
Four
In cellular respiration, oxygen is needed during _____________________.
Glycolysis only
The citric acid cycle only
The electron transport chain
All three stages
The induced-fit model states that _____________________.
the substrate fits perfectly into the active site of an enzyme,
The enzyme changes shape to hold the substrate in its active site,
the substrate changes shape to better fit into the active site when binding to it.
A single molecule of glucose is ultimately broken down into ______ molecules of carbon dioxide during
Two
Three
Four
Five
Six
You are looking at two traits in pea plants, one with alleles W or w and the other with alleles M or m. For an individual with the alleles WWMm, how many different gamete types can it make?
One
Two
Three
Four
Which stage of meiosis is most similar to mitosis?
Meiosis I
Meiosis II
Mendel’s law of independent assortment says that _____________ sort independently of each other.
Gametes
Cells
Unlinked genes
Linked genes
Two homologous chromosomes will always have the same sequence of _______________.
Alleles
Protiens
Genes
Phenotypes
A man with an X-linked dominant allele mates with a female that has the recessive alleles for this trait on both X chromosomes. Their sons will ______________.
All show the dominant trait
All show the recessive trait
Sometimes have the dominant trait, sometimes have the recessive trait
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