Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.
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What is the term for two identical alleles for a trait in an organism?
Which structure connects muscles to bones in the human body?
What type of bond holds the two strands of DNA together?
Which type of RNA brings amino acids to the ribosome during protein synthesis?
What is the term for the variety of life on Earth including all species ecosystems and genetic variation?
What is the scientific study of fungi called?
Which human organ is primarily responsible for filtering blood and producing urine?
What is the term for a permanent change in the DNA sequence of an organism?
What is the term for the physical appearance or observable characteristics of an organism?
Which layer of the skin contains melanocytes that produce the pigment responsible for skin colour?
What is the term for the gradual process of change in the species composition of an ecosystem over time?
Which type of immunity is present from birth and provides a non-specific first line of defence?
What is the term for an organism's habitat and role within an ecosystem?
Which molecule is the primary energy currency of cells?
Which molecule carries genetic information from DNA to ribosomes for protein synthesis?
Which chromosomal disorder is caused by the presence of an extra chromosome 21?
Which enzyme in saliva begins the digestion of starch?
What is the process by which species change over time through natural selection?
What is the process by which organisms survive extreme heat and drought by entering a dormant state?
What is the term for an organism that carries a recessive allele but does not show the trait?