Bioscience - Past Quiz questions - HUBS1401 || with 100% Verified Solutions.

Which organelles are involved in nuclear division correct answers centrioles What's the main constituent of a cell membrane by surface area correct answers phospholipids A cell membrane allowing some materials to pass through freely whilst preventing others correct answers selectively permeable. What's the correct definition of osmosis correct answers movement of water molecules from a low solute concentration to a high solute concentration through a selectively permeable membrane. Which of the following statements is correct concerning human cells in solutions correct answers cells expand in hypotonic solutions What organelles are responsible for the enzyme breakdown of phagocytized material in the cell correct answers lysosomes In a sodium potassium pump, what's the correct outcome of using 1 molecule of ATP correct answers 3 sodium ions pumped out and 2 potassium ions pumped into the cell. Where is ATP produced in the cell correct answers Mitochondria Where do we house our DNA correct answers Nucleus Which organelle is responsible for making proteins correct answers ribosomes What type of cell junction allows the passage of ions between adjoining cells? correct answers Gap junctions What extracellular fibres are long, straight and very strong? correct answers collagen fibres What substance surrounds connective tissue cells + extracellular fibres? correct answers ground substance What type of cartilage connects the ribs to sternum? correct answers hyaline cartilage On which molecule do you find codons? correct answers Messenger RNA (mRNA) Which enzyme constructs the mRNA strand by reading the DNA template strand? correct answers RNA polymerase