Life Science Unit Review May 2

A(n) __________ is made of a phosphate, a sugar, and a base such as adenine or thymine.

• dominant
• recessive
• nucleotide
• chloroplast

A(n) ____________ trait is expressed even if only one gene for that form of the trait is inherited.

• dominant
• acquired
• learned
• gymnosperm

A(n) ____________ is a change or error in the arrangement of bases in a gene.

• dominant trait
• recessive trait
• gene
• mutation

Body shape, hair and eye color are examples of __________ .

• inherited traits
• learned traits
• manipulated traits
• identical traits

A chromosome is made up of 2 identical strands called _________ .

• DNA
• genes
• nucleotides
• mitochondria

_____________ is the process through which traits are passed from parents to offspring.

• photosynthesis
• heredity
• mutation
• acquired traits

Invertebrates are animals

• with a backbone
• without a backbone

1. What organelle is responsible for letting things in and out of the cell?

• Cell membrane
• Mitochondria

Plants perform photosynthesis through this organelle.  It captures energy from the sun and uses it to produce food for the cell.

• Chlorophyll
• Chloroplasts
• Mitochondria
• Golgi Apparatus

This type of cell needs a cell wall and chloroplasts.

• Plant cell
• Animal Cell
• Bacteria