Maap Biology I State Test Review

The diagram in the picture models which of the following molecules?

• RNA

• DNA

• a protein

• a carbohydrate

Which THREE elements are commonly found in nearly all macromolecules?

• carbon

• phosphorus

• sulfur

• hydrogen

• oxygen

Which TWO organelles could be found in plant cells but not in animal cells?

• chloroplasts

• cell membrane

• centrioles

• mitochondria

• cell wall

Meiosis produces sperm cells in males and egg cells in females. Which process that occur in meiosis contribute the MOST to genetic variation in offspring?

• crossing over and independent assortment

• DNA and RNA replication during interphase

• tetrad formation

• asexual reproduction

Within the scientific community, there has been some ongoing debate as to whether or not viruses represent living organisms. The debate hinges on the definition of life. All of the following describe the characteristics of viruses. Which TWO characteristics of viruses give the BEST support that viruses could be classified as LIVING?

• they are surrounded by a protein coat

• they contain genetic information in the form of DNA or RNA

• they are specific in the type of cell they can infect

• they evolve over time through mutations in their genetic code

• they do not seek food or energy to grow and develop on their own.

proteins are made of

• monosaccharides

• fatty acids

• amino acids

• nucleotides

What is a function of DNA?

• to store long term energy

• to form skeletal muscle and act as an enzyme

• to store long term energy

• to aid in the creation of proteins

Cells that make up the heart muscle must supply constant energy to keep the heart pumping. When compared to skin cells that need much less energy, the cells of the heart would have more of which cell organelle?

• vacuoles

• lysosomes

• centrioles

• mitochondria

Which represents a prokaryotic cell?

• 
• 
• 
•