AFNR 5.1 Vocabulary

What is the role of adenine in DNA?

• It pairs only with cytosine.

• It pairs only with guanine.

• It pairs only with thymine.

• It pairs only with uracil.

Which structure is responsible for enclosing the cytoplasm of a cell?

• Cell wall

• Cell membrane

• Cytoskeleton

• Centriole

What is the function of chloroplasts in plant cells?

• They contain the green pigment chlorophyll.

• They help in cell division.

• They store genetic information.

• They provide structural support.

Which of the following is a genetic protein-like nucleic acid found in genes and chromosomes?

• Cytosine

• Adenine

• Deoxyribonucleic acid (DNA)

• Allele

What is the purpose of gene sequencing?

• To determine the shape of a cell

• To determine the entire genetic makeup of an organism

• To identify the function of proteins

• To measure the size of chromosomes

What is the simplest unit of inheritance that influences certain traits?

• Chromosome

• Gene

• Nucleotide

• Organelle

Which organelle is responsible for modifying proteins for export by the cell?

• Mitochondria

• Lysosome

• Golgi apparatus

• Nucleus

What is the role of mitochondria in eukaryotic cells?

• Site of protein synthesis

• Site of aerobic respiration

• Storage of genetic material

• Manufacture of ribosomes

Which of the following is a base of DNA that pairs only with cytosine?

• Adenine

• Thymine

• Guanine

• Uracil

What is a prokaryote?

• A multicellular organism with a nucleus

• A unicellular organism with a nucleus

• A unicellular organism without a nucleus

• A multicellular organism without a nucleus