Special Topics 1st Semester Exam

If the global climate begins to change to a new ice age, which adaptations would be most desirable?

• Dark fur color
• Longer fur
• Shorter claws
• Increased tail length

The genotype of an organism describes the

• A. codons that make up the genes
• B. number of genes on the chromosomes
• C. genetic make-up of a trait
• D. type of chromosomes in the nucleus

Which best explains why children resemble their parents?

• A. they eat same foods
• B. they have similar DNA
• C. they speak the same language
• D. they have the same interests

Which does a polymer most closely resemble?

• intersection
• circle
• chain
• link in a chain

Which does a monomer most closely resemble?

• chain
• link in a chain
• circle
• intersection

What biomolecules communicates genetic information?

• carbohydrate
• lipid
• nucleic acid
• protein

What biomolecules does not dissolve in water?

• carbohydrate
• lipid
• nucleic acid
• protein

Which occurs during cytokinesis?

• binary fission takes place
• cytoplasm divides
• DNA duplicates
• spindle apparatus forms

What is a purpose of mitosis?

• increase cell volume
• create genetic diversity
• produce new offspring
• replace damaged cells

Can be caused by an overexposure to X-Rays

• normal cell cycle
• abnormal cell cycle