Cell Structure & Function
Eukaryotic organisms have membrane-bound organelles. Which of these organelles is considered the "control center" and stores the genetic material for the cell?
The nucleus.
On the pH scale what is the number for neutral?
What is 7
What is a monomer for proteins?
A. nucleotide
B. amino acids
C. monosacchride
D. Fatty Acids and glycerol
D. plants and animals
What is B amino acids
Movement of substances (cross a cell membrane) without input of energy.
What is passive transport
Are viruses living or nonliving?
nonliving
Placing wilted lettuce in cold water will make it crisp again. Which statement best describes what happens to restore the lettuce to its original condition?
A. Water left the lettuce cells by diffusion.
B. Water entered the cells of the lettuce by osmosis.
C. Osmosis caused salts to enter the lettuce cells.
D. Salts in the leaf caused water to leave the cells.
What is B-Water entered the cells of the lettuce by osmosis.
What is acids are 0-6 and alkaline are 8-14
What are the two biomolecules that assist with the fluidity/and letting things in and out of the cell membrane ?
A. Carbohydrates and Proteins
B. Lipids and Proteins
C. Carbohydrate and Lipids
D. Lipids and Carbohydrates
What B Lipids (Cholesterol) and Proteins (channels, carriers, and pumps)
Movement of molecules from high concentration to low concentration (down a gradient)
What is diffusion
What does a virus need to have to reproduce?
What is a host
This organelle is the site of aerobic cellular respiration in eukaryotic cells.
What is Mitochondrion
If you have a solution that has an alkaline of 10 and an acidity of 4 what would you add to make it neutral?
3 acid molecules
A student is preparing for a hike wants to pack a snack that has biomolecules that provide quick energy and few excess calories. If you are reading the back of a package what two things would you look for?
What is carbohydrates and calories
In humans, glucose is kept in balance in the bloodstream by insulin. Which concept does this best illustrate?
What is Homeostasis
This life cycle of viruses allows the virus to stay hidden before it lyses out of the cell.
A. Lytic
B. Lysogenic
What is B. lysogenic
A sugar, a phosphate group, and a nitrogen base form a nucleotide which is the building block (monomer) of which organic compound?
What is Nucleic Acid
What are acids and what are alkaline molecules (elements
Acids- H+
Alkaline- OH-
The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of molecules. These two molecules are-
A. proteins
B. lipids
C. nucleic acids
D. complex carbohydrates
What is nucleic acids, C
diffusion of water across a semi-permeable membrane direction depends concentrations on each side of the membrane. Example plants getting water in their roots
What is -what is osmosis
Filtered sap from diseased plant infected healthy plants>?
A. Bacteriaphage
B. Common Cold
C. Tobacco Mosaic
What is C. Tobacco Mosaic
Predict what may occur if a cell skips the S phase?
Error in mitosis. Too little DNA for daughter cells. Daughter cells not identical.
What is the pH of distilled water?
What is 7.0
Cells can generate as many as 36 to 38 molecules of adenosine triphosphate (ATP) from the metabolism of one molecule of glucose. Which cellular process results in this amount of ATP product
A. Anaerobic Cellular Respiration
B. Protein Synthesis
C. Aerobic Cellular Respiration
D. Photosynthesis
What is aerobic cellular respiration
The cell engulfs large molecules and draws them into the cell, allowing them to enter against the concentration gradients
What is Endocytosis
A dead or weakened pathogen introduced into the body to produce immunity.
A. Antibotic
B. Vaccine
C. Capsid
What is A. Vaccine