Biology EOC Review 3

Front

Plant cells are able to produce their own food. This process happens in which structure? Options: cell wall, chloroplast, mitochondrion, vacuole

Back

chloroplast

Front

How can cells from the same organism have such different shapes and functions?

Back

During differentiation, different parts of the DNA in each type of cell are activated, resulting in the different structure and function of the cells.

Front

How does sweating during exercise maintain homeostasis?

Back

It regulates body temperature

Front

The chemical colchicine disrupts cell division. Which cell process would most likely stop if colchicine were added to a culture of human liver cells? Options: mitosis, meiosis, crossing over, active transport

Back

mitosis

Front

Why are animals considered heterotrophic?

Back

They are able to obtain nutrients by consuming other organisms or their products.

Front

How can the reintroduction of wolves benefit the ecosystem?

Back

It can eliminate weak animals from a prey population, thereby decreasing competition for natural resources.

Front

What will most likely be the result as humans move into new areas, forests are clear cut and housing developments are built?

Back

Many organisms will lose their homes because their habitats have been destroyed.

Front

What activity most contributes to the depletion of the ozone layer? burning of fossil fuels, release of CFCs, deforestation, overuse of fertilizers

Back

release of CFCs

Front

Which effect could a mutation in mRNA have on the production of proteins?

Back

The protein produced will have a different identity

Front

What carries the instructions for making amino acids in a protein?

Back

the sequence of nitrogen bases on the mRNA