Science 9 Review (?)

Where is DNA located in the cell?

• Cytoplasm
• Nucleus
• Cell Membrane
• Nucleolus

What is a gene?

• A tightly wound strand of DNA
• A very long strand of DNA
• Short sections of DNA that code for proteins
• Short sections of proteins

What are the stages of the cell cycle (in order)?

• Mitosis, Interphase, Cytokinese
• Interphase, Cytokinesis, Mitosis
• Cytokinesis, Interphase, Mitosis
• Interphase, Mitosis, Cytokinesis

What are the three components of a nucleotide?

• Sugar, phosphate, cellulose
• Protein, sugar, nucleotide base
• Sugar, phosphate, nucleotide base
• Cytoplasm, phosphate, nucleotide base

How many chromosomes are in the human body?

• 12
• 23
• 46
• 92

Which of the following statements are incorrect?

• Mutations are contagious
• Mutations are caused by mutagens, like chemicals and viruses
• Mutations can be positive, negative or neutral
• Mutations involve adding, deleting or substituting a base

What base will pair with cytosine?

• Adenine
• Thymine
• Guanine
• Cytosine

Starting with one cell, how many daughter cells are formed after one round of mitosis?

• 1
• 2
• 3
• 4

How do starfish reproduce?

• Sexually
• Asexually through Budding
• Asexually through Fragmentation
• Asexually through Binary Fission

What are the three subatomic particles?

• Protons, Electrons, and Neutrals
• Positives, Negatives, and Neutrals
• Protons, Electrons, and Neutrons
• What are subatomic particles?