Biology EOC Review

Which organelle is responsible for packaging proteins for transport outside the cell?

• golgi complex

• endoplasmic reticulum

• nucleus

• ribosome

How does the molecule's structure relate to its function?

• The phospholipid creates energy molecules and can be broken down with other lipid molecules to repair organelles in a cell.

• The phospholipid does dissolve in water and can associate with other lipid molecules to form a barrier between the inside and outside of a cell.

• The phospholipid can bind to large and small molecules and break down the molecules to move them across the outer membrane of a cell.

• The phospholipid can bind protein molecules and can help move the proteins throughout the cytoplasm in a cell.

Which process requires energy from food to help a cell maintain homeostasis?

• a phosphate ion being released from ATP

• a phosphate ion being added to ADP

• the conversion of glucose to oxygen

• the creation of RNA from DNA

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How are meiosis and fertilization a benefit to sexually reproducing organisms?

• All offspring will have the most desirable traits from each parent.

• All offspring will have traits that are identical to their siblings but different from their parents.

• All offspring will have unique genetic variations and sets of alleles.

• All offspring will have the same probability of acquiring mutations in their genes.

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Which statement describes the offspring produced from asexual reproduction?

• All of the offspring are identical to each other.

• All of the offspring are unique to each other.

• Half of the offspring have genetic material similar to the original cell.

• Half of the offspring have physical characteristics similar to the original cell.

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Which is an example of coevolution with the white-tipped sicklebill?

• A snake species learns to climb trees to have an advantage in attacking the white-tipped sicklebill.

• An insect species with a soft exoskeleton becomes extinct due the spread of the white-tipped sicklebill population.

• A different species of hummingbird migrates north every summer and does not mate with the white-tipped sicklebill.

• A plant species has a curve-shaped flower, causing the white-tipped sicklebill species to change to reach the nectar better.

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Which molecule is responsible for bringing the amino acid to the ribosome during protein synthesis?

• DNA

• mRNA

• rRNA

• tRNA

Which action will occur if a checkpoint during a cell cycle finds that the DNA was unsuccessfully replicated?

• The cell will divide quicker with less DNA.

• The cell will grow proteins to replace DNA.

• The cell will perform the cell cycle in reverse.

• The cell will not complete the cell cycle.

How does natural selection improve a population?

• The individual organisms that are best suited to the future environment survive, and their gene types increase in the population.

• The individual organisms that are best adapted to the current environment survive, and their gene types increase in the population.

• The individual organisms that are best suited to the previous environments are removed and cause the population size to decrease.

• The individual organisms that are best suited to another environment are removed and the population size to decrease.

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Which information can the fossils provide?

• They show how a modern elephant would have looked millions of years ago.

• They provide evidence of what structures are similar between the mastodon and elephant.

• They provide detailed information on how the mastodon raised its young.

• They show how an elephant would have attracted a mate in the past.

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