Structure and Function Test I

What organelle is # 10 pointing too? It is only found in plants cells not animal cells.

• Nucleus
• Endoplasmic Reticulum
• Mitochondria
• Chloroplast

When the environment is left alone how does nature decide which organisms life or die?

• Artificial Selection
• Natural Selection
• Human Selection
• Homeostasis

• A
• B
• C
• D

True or False: The structure of DNA is single stranded.

• True
• False

Choose the following three parts of a nucleotide.

• Deoxyribose
• Phosphate
• Nitrogen base
• Gene
• DNA

Choose whether the following structure is DNA or RNA.

• DNA because it is doubled stranded
• RNA because it is doubled stranded
• DNA because it has ribose sugar
• RNA because it has deoxyribose sugar.

DNA is copied in the ______ phase of Interphase.

• S
• G1
• G2
• H

How many individual chromosomes does each normal human cell have?

• 46
• 23
• 96
• 49

• A
• B
• C
• D

• A
• B
• C
• D