Exploring DNA, Chromosomes, and Genes

What is the main focus of this presentation?

• The structure of proteins

• The relationship between DNA, chromosomes, and genes

• The process of photosynthesis

• The function of the cell membrane

Approximately how many cells make up the human body?

• 1 million

• 100 billion

• 100 trillion

• 1 trillion

Where is DNA located within a cell?

• In the nucleus

• In the cytoplasm

• In the mitochondria

• In the cell membrane

How many pairs of chromosomes do humans have?

• 22

• 23

• 24

• 25

What is the structure of DNA often compared to?

• A double helix

• A twisted ladder

• A straight line

• A spiral staircase

Which nucleotide base pairs with Adenine (A)?

• Cytosine (C)

• Guanine (G)

• Uracil (U)

• Thymine (T)

What is a codon made up of?

• Two nucleotide bases

• Three nucleotide bases

• Four nucleotide bases

• Five nucleotide bases

How can genes be compared in a book analogy?

• As words

• As letters

• As books

• As chapters

What do all your chromosomes together represent in the book analogy?

• A series of books

• A chapter

• A word

• A single book

What is the smallest unit in the hierarchy from nucleotide bases to DNA?

• Genes

• Codons

• Nucleotide bases

• Chromosomes