North CarolinaBiology EOC Practice

Exam – Review1213

Where to Report Wednesday May 8, 2013

Period 3 – Room 150/155(This room is a split room and the wall will be removed)

Period 5 – Lab 2 of the Media Center

Period 6 – Main Floor of the Media Center

Question #1

An iodine solution is placed on the cutside of a potato. Within seconds, ablue-black color appears. What is

most likely occurring?A. a positive test for proteinsB. a positive test for starchesC. a negative test for proteinsD. a negative test for starches

Question #8

Blood types

Which set of parents can most likely produce a child with type O blood?A. one parent with type AB blood, and the other parent with type

A bloodB. one parent with type AB blood, and the other parent with type

O bloodC. one parent with heterozygous type A blood, and the other

parent with type O bloodD. one parent with homozygous type A blood, and the other

parent with homozygous type B blood

Question # 9

Reference diagram in your test booklet.This diagram represents samples of DNA that were cut with a restriction enzyme during DNA fingerprinting in a crime lab.

Gel electrophoresis is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to their sizes.

THINK FORENSICS!!NCIS

Question # 11

• One of the parents of a child has phenylketonuria (PKU), which is caused by recessive alleles. The other parent does not have the PKU alleles.

What is the chance that the couple will have a child with phenylketonuria?A. 0% P P B. 50% C. 75% pD. 100% p

Pp Pp

Pp Pp

Question # 13

Why are humans important to the life cycle of malaria parasites?A. Malaria parasites kill humans.B. Malaria parasites only live in human cells.C. Malaria parasites can live in mutual symbiosis with humans.D. Malaria parasites use humans for reproductive purposes.

Malaria needs to infect humans to persist. Mosquitoes are good vectors, but they reproduce in a human's liver and red blood cells

SOOOOO… What type of symbiosis is this?

Question # 16Plant Unit Packet

This is straight forward vocabulary!What is the function of the xylem????

If the xylem in a young tree is damaged, which process is first affected?

A. performing photosynthesisB. transporting sugar to the rootsC. transporting water to the leavesD. absorbing water from the soil

Question # 23Passive and Active Transport

(CH 5)

Which is an example of osmosis? A. potassium ions moving in and out of an animal cellB. carbon dioxide moving into the leaf cells of a plantC. oxygen moving into the bloodstream from the lungsD. water moving into the root cells of a plant

Question # 24This diagram shows an enzyme-substrate complex.This question – straight from your textbook (Pg 57)

Which is represented by Structure X? A. substrateB. productC. enzymeD. complex

Question # 31This diagram shows a pedigree for a recessive genetic disorder.

What is the genotype of individual 6?A. XHXH B. XHXh

C. XHY D. XhY

Question # 40Which graph represents the maximum carrying capacity of

a bacterial colony?

Question # 44A sugar, a phosphate group, and a nitrogen base

form the building blocks of which organic compound?

A. CarbohydratesB. LipidsC. Nucleic acidsD. Proteins

Sidebar on Macromolecules!!

Carbohydrates

Monomer + Monomer = Polymer

Monosaccharide + Monosaccharide = Disaccharide

Energy Currency in Macromolecules

Proteins (Pg 56)

Lipids

Fatty AcidsTriglyceridesPhospholipids Phospholipid bilayers Hydrophilic HydrophobicWaxSteroids

Nucleic Acids

Question # 48According to fossil records, the horses that lived 50 million

years ago were much smaller, weaker, and slower than modern horses. Which process is

most likely responsible for the changes that have led to the increased size, strength, and speed in horses?

A. commensalismB. inbreedingC. migrationD. natural selection

Question # 51This diagram shows a diploid cell with two pairs of homologous

chromosomes.

Due to independent assortment, what is the possible genetic make-up of gametes produced by this organism?

A. SsTt B. Ss, TtC. S, s, T, t D. ST, St, sT, st

Question # 54

Which genetic abnormality can be identified through karyotyping?

A. point mutationB. recessive alleleC. extra chromosomeD. sex-linked allele

Question # 59

Some birds live in close association with horses. These birds feed on insects that are parasites to horses.

Which type of relationship between the horses and these birds does this illustrate?

A. commensalismB. mutualismC. parasitismD. predation

Question # 60