2015 Mock

A bird-watcher records the movement of migrating birds. In which part of the

the scientific process is the bird-watcher participating?

• controlling variables

• experimenting

• observing

• hypothesizing

Which deals with the transmission of inherited traits from one generation to

another?

• anatomy

• genetics

• ecology

• forensics

What will most likely be the result if all of the mitochondria are removed from a

plant cell?

• It will be unable to carry out respiration.

• It will lose water through osmosis.

• It will break down the ribosomes in the cell.

• It will be unable to photosynthesize.

What process best explains how a nerve cell and a muscle cell can both develop

from the same fertilized egg?

• differentiation

• natural selection

• selective breeding

• genetic engineering

During strenuous exercise, body temperature increases. The body responds to the

increase in temperature by sweating, which helps to reduce the body temperature.

Which is demonstrated in this situation?

• excretion

• metabolism

• homeostasis

• homostasis

Before mitosis begins, which happens before the nucleus starts dividing?

• The cytoplasm separates.

• The DNA replicates.

• The sister chromatids separate.

• The homologous chromosomes cross over.

A strand of DNA has these bases:

AGC CAT GTA TAC

What is the complementary DNA strand?

• ACG GAT CTA TAG

• TCG GTA CAT ATG

• TGC CTA GAT ATC

• UCG CUA CAU AUG

Which statement best describes the relationship that exists among proteins, DNA,

and cells?

• Proteins combine to produce cells, which produce DNA.

• Proteins are made up of DNA, which determines the cells that are produced.

• DNA is made up of proteins, which tell a cell how to function.

• Cells contain DNA, which controls the production of proteins.

What type of organic molecules are enzymes?

• carbohydrates

• lipids

• nucleic acids

• proteins

What are the subunits of DNA and their function?

• nucleotides that store information

• monosaccharides that provide quick energy for the cell

• lipids that store energy and provide insulation

• proteins that provide the building blocks for the structural components of

  organisms