Benchmark 3 Review 2 Question Preview (ID: 30364)


Benchmark 3 Review 2. TEACHERS: click here for quick copy question ID numbers.

What type of macromolecule is an enzyme an example of?
a) Protein
b) Lipid
c) Carbohydrate
d) Nucleic acid

Which macromolecule has the elements C, H, O, N, P?
a) lipid
b) carbohydrate
c) nucleic acid
d) protein

Which of the following is not true about enzymes?
a) they can be re-used
b) they speed up chemical reactions
c) they are used up in a chemical reaction
d) they lower the activation energy of a reaction

Which organelle uses carbon dioxide, water, and light energy to create carbohydrates?
a) mitochondria
b) chloroplast
c) nucleus
d) cell membrane

If a cell is placed in a hypertonic solution, what will happen to the size of the cell?
a) It will shrink because there is more water inside the cell than there is outside the cell.
b) It will enlarge because there is more water outside the cell than there is inside the cell
c) It will not change shape because there are equal amounts of water in and out of the cell.
d) It will enlarge because there is more water inside the cell than there is outside the cell.

This type of transport moves water molecules from an area of high concentration to an area of low concentration.
a) osmosis
b) facilitated diffusion
c) diffusion
d) active transport

This type of transport uses ATP to move molecules from low areas to high areas of concentration.
a) facilitated diffusion
b) passive transport
c) active transport
d) osmosis

The principle of __________________ explains that all organisms living or extinct are connected.
a) descent with modification
b) common descent
c) natural selection
d) acquired traits

Which scientist believed that organisms evolve by acquiring traits they need to survive in their environment?
a) Lamarck
b) Franklin
c) Mendel
d) Darwin

Purple flowers (P) are dominant to white flowers. What are the parents' genotypes if they have offspring that are 50% purple and 50% white?
a) pp and PP
b) Pp and Pp
c) Pp and pp
d) PP and Pp

Purple flowers are dominant to white flowers. Yellow seeds are dominant to green seeds. 2 plants are heterozygous for purple flowers and yellow seeds. What are the chances they will have offspring with white flowers and yellow seeds?
a) 1/16
b) 3/16
c) 9/16
d) 3/4

What is the process during meiosis where homologous chromosomes exchange genetic material?
a) gametes
b) common descent
c) independent assortment
d) crossing over

Purple flowers (P) are dominant to white flowers. Yellow seeds (Y) are dominant to green seeds. What are the possible genotypes for purple flowers with green seeds?
a) ppYy and Ppyy
b) ppYY and ppYy
c) PpYy and PPYY
d) PPyy and Ppyy

A karyotype shows 45 chromosomes with only one X chromosome. This person is a
a) normal female
b) normal male
c) female with a genetic disorder
d) male with a genetic disorder

Which of the following is not true about DNA and RNA?
a) DNA has the bases A, U, C, and G
b) RNA is single stranded
c) DNA has the sugar deoxyribose
d) RNA has the sugar ribose

What are the complementary DNA bases for this DNA strand - TAC GCG GGA TAT ATT
a) TAC GCG GGA TAT ATT
b) ATG CGC CCT ATA TAA
c) AUG CGC CCU AUA UAA
d) Met Arg Pro Ile Stop

Translate the following mRNA strand AUG GCA CAU AAC UAG
a) Met Phe Lys Thr Stop
b) UAC CGU GUA UUG AUC
c) Met Ala His Asn Stop
d) Tyr Arg Val Leu Ile

Transcribe the following DNA strand - ATC GCA CGT TAG CAA
a) TAG CGT GCA ATC GTT
b) UAG CGU GCA AUC GUU
c) Stop Arg Ala Ile Val
d) ATC GCA CGT TAG CAA

The volume of the cell _____________ at a __________ rate than its surface area.
a) increases; slower
b) decreases; slower
c) increases; equal
d) increases; faster

A student hypothesizes that if you drink warm milk before you sleep, then you will go to sleep faster. The control group is
a) the group receiving warm milk before going to sleep
b) the number of hours of sleep
c) the group not receiving warm milk before going to sleep
d) drinking warm milk

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