cytology quiz

Which of the following characteristic is a basic property of cells?

• Cells are highly complexed and organized.

• Cells acquire and utilize energy.

• Cells are capable of producing more of themselves

• Cells possesses a genetic program and the mean to use it.

• All choices are correct

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-5

- Which of the following is not a model organism?

• Mus musculus

• Drosophila melanogaster

• Homo sapiens

• Arabidopsis thaliana

• Caenorhabditis elegans

Virtually all chemical changes that take place in cells require________, molecules that greatly increase the rate at which a chemical reaction occurs.

• DNAs

•  carbohydrates

• proteins

• enzymes

DNA in prokaryotes

• Circular form

• Double helix structure

• Present in the central area called nucleoid.

• more than one correct answer

 A channel that opens in response to the binding of a specific molecule, which is usually no the solute that passes through the channel is called a ……………….

• Ligand-gated channel

• Voltage-gated channel

• Charge- gated channel

• Positive- gated channel

• Mechano- gated channel

Tags

NGSS.HS-LS1-3

Which of the following lipids is found concentrated in lipid rafts in animal cell plasma membrane?

• Phosphatidylserine

• Phosphatidylinositol

• Phosphatidylcholine

• Cholesterol

• Phosphatidylethanolamine