Cells & Heredity Review

All cells need energy to function.  Which organelle in animal and plant cells is responsible for making energy for these cells?

• nucleus
• mitochondria
• chloroplast
• vacuole

How might a lack of nutrient affect the physical traits of an organism?

• by stunting its growth
• by changing its genotype
• by changing its eye color
• It cannot affect the organism's traits.

Which of the following is a raw material needed for cellular respiration?

• carbon dioxide
• glucose
• water
• chlorophyll

How are bacteria classified?

• by the presence or absence of a nucleus
• by how they move
• by their shape
• by how they get their food

How are organisms identified as a eurkaryote or prokaryote?

• by the presence or absence of a nucleus
• by how they move
• by their shape
• by how they get their food

Of the structures listed, which are found only in plant cells?

• mitochondria
• vacuoles
• chloroplasts
• cell membranes

The presence of freckles is a dominant trait.  The absence of freckles is recessive.  A newborn has no freckles.  The mother has freckles and the father does not have freckles.  Which is the mother's genotype?

• ff
• FF
• Ff
• f

Which cell structure separates the cell from the outside world?

• mitochondrion
• cytoplasm
• cell membrane
• nucleus

Which pair of alleles below represents an organism that is a hybrid?

• TT
• bb
• tt
• Bb

The genetic makeup of a trait is represented by two letters.  What do these letters represent?

• phenotype
• DNA
• genotype
• physical traits