SC212 Random Review Questions

Tay-Sachs disease results when someone is homozygous recessive for the autosomal trait (tt). Tay-Sachs normally results in the death of the child by age 6. If two parents who did not have Tay-Sachs gave birth to a baby with Tay Sachs, what are the parent’s genotypes?

• T T & T T

• T T & T t

• T t & T t

• T T & t t

• t t & t t

Which of the following can result in a species becoming endangered?

• Agricultural practices

• Habitat destruction

• Growing human population

• Hunting and Poaching

• All of the above

Which of the following produces large amounts of atmospheric methane?

• Feed lot cattle farms

• Rice paddies

• Parking lots in summer

• Sleeping sloths

• People that eat a lot of beans

Plant and animal cells BOTH have

• Chloroplasts, large vacuoles, and nuclei

• Golgi apparatus, chromosomes and mitochondria

• Golgi apparatus, cell walls and ribosomes

• Ribosomes, cell walls and mitochondria

• Cell walls, flagella, and cytoskeleton

Which is not a primary function of lipid molecules?

• transporting oxygen in the body

• long term energy storage

• buoyancy

• waterproofing

• making hormones

Which group of foods would be a source of protein?

• Olive oil, salmon, butter, and walnuts

• Rice cakes, skittles, sugar, and gummi bears

• Dates, figs, apples, and pears

• Pasta, potatoes, bread, and rice

• Beef, fish, eggs, and tofu

A man with hemophilia(a recessive, sex-linked condition) has a daughter of normal phenotype. She marries a man who is normal for the trait. What is the probability their son will be a hemophiliac?

• 0%

• 25%

• 50%

• 75%

• 100%

A key difference between saturated fats and unsaturated fats is that:

• At 30°C saturated fats are liquid and unsaturated fats are solid.

• saturated fats have single C-C bonds and unsaturated fats have one or more double C=C bonds.

• unsaturated fats have single C-C bonds and saturated fats have one or more double C=C bonds.

• saturated fats are liquid at room temperature while unsaturated fats are solids.

A woman who is a carrier of hemophilia marries a man who is not affected. What are the possible

genotypes of their children?

• X^HX^h, X^hX^h, X^HY, X^hY

• X^HX^h, X^HX^H, X^HY^h, X^HY^H

• X^HX^h, X^hX^h, X^HY^h, X^hY^h

• X^HX^h, X^HX^H , X^HY , X^hY

What is the name of the monomer for nucleic acids?

• nucleotides

• tide pods

• neoplasms

• genes

• amino acids