Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.
Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.
What is the process by which species change over time through natural selection?
What is the term for an organism that carries a recessive allele but does not show the trait?
What is the term for a change in the DNA sequence of an organism?
Which process converts atmospheric nitrogen into a usable form for plants?
Which process converts mRNA information into a protein sequence at ribosomes?
Which vitamin is produced when human skin is exposed to sunlight?
Which type of nutrition involves organisms that feed on dead and decaying organic matter?
What is the term for two different alleles for a trait in an organism?
What is the two-part Latin naming system for organisms called?
What is the term for the group of hormone-secreting glands in the body?
What is the function of lysosomes in animal cells?
Which process by which bacteria take up free DNA from their environment was discovered by Griffith?
What is the term for the genetic makeup of an organism?
What is the term for the process by which cells divide to form gametes?
What is the functional unit of the kidney responsible for filtration of blood?