DNA & RNA (Topic 9)

What does DNA contain that determines the structure and function of a cell?

• Proteins

• Lipids

• Genetic information

• Carbohydrates

Where is most DNA found in a cell?

• Mitochondria

• Nucleus

• Ribosomes

• Plasma membrane

What is the DNA found in the nucleus called?

• Mitochondrial DNA

• Ribosomal DNA

• Nuclear DNA

• Cytoplasmic DNA

Where is some DNA found other than the nucleus?

• Ribosomes

• Golgi apparatus

• Mitochondria

• Lysosome

What is the DNA found in the mitochondria called?

• Nuclear DNA

• Ribosomal DNA

• Mitochondrial DNA

• Cytoplasmic DNA

What are DNA strands wrapped around to form a nucleosome?

• Chromatin

• Chromosomes

• Histones

• Proteins

What is the term for DNA when it is not dividing and forms a tangled network?

• Chromosomes

• Chromatin

• Nucleosome

• Histones

What happens to chromatin when it is dividing?

• It forms a nucleosome

• It forms a tangled network

• It becomes more tightly coiled, forming chromosomes

• It breaks down into proteins

How many chromosomes are there in a somatic human cell?

• 23

• 46

• 22

• 44

What is each chromosome made up of?

• Sections of RNA that code for a particular protein

• Sections of DNA that code for a particular protein

• Sections of DNA that code for a particular carbohydrate

• Sections of RNA that code for a particular carbohydrate