Genetics Part I Test - Biology

What is DNA?

• A type of protein
• A carbohydrate
• The genetic material
• A lipid

DNA is packaged tightly into pieces called ________________.

• Ribosomes
• Chromosomes
• Organelles
• Enzymes

How are proteins made?

• DNA replication
• Through carbohydrates
• By protein synthesis
• Via lipid metabolism

Double Helix refers to ________________.

• A type of RNA
• The shape of DNA
• A cellular process
• A protein structure

DNA is made up of nucleotides. What are the 3 parts of a nucleotide?

• Sugar, phosphate, nitrogenous base
• Amino acids, sugars, bases
• Carbon, hydrogen, oxygen
• Enzymes, lipids, proteins

What rule is followed for nitrogenous base pairing in DNA?

• A-U and C-G
• A-T and C-G
• A-G and T-C
• A-C and T-G

What are the first two steps of DNA replication?

• Mutation and translation
• Transcription and translation
• Unzipping and building new strands
• Replication and mutation

During protein synthesis, DNA is first transcribed into ___________.

• mRNA
• tRNA
• rRNA
• DNA

In RNA, Thymine (T) is replaced with ___________.

• Adenine (A)
• Guanine (G)
• Cytosine (C)
• Uracil (U)

What is Translation in protein synthesis?

• Copying DNA into RNA
• Reading the genetic code to make proteins
• Replicating the DNA
• Modifying the DNA structure