Cells and Tissues

    Cells and Tissues
    Which of the following is a function of membrane proteins?
    One function of membrane proteins is to receive (amino acid-based) hormones that cannot pass through the plasma membrane.
    Author: rikazzz Comment
    Cells and Tissues
    Which of the following is NOT epithelial tissue?
    The dermis contains some of all four types of tissue.
    Author: rikazzz Comment
    Cells and Tissues
    One of the following is NOT a serous membrane. Which one?
    Mucosa is a mucous membrane (and secretes mucus).
    Author: rikazzz Comment
    Cells and Tissues
    Which of the following is NOT classed as a lipid?
    Examples of lipids are waxes, fats, oils, steroids, cholesterol and phospholipids. Keratin is a protein (the “-in” ending to keratin denotes that).
    Author: rikazzz Comment
    Cells and Tissues
    In a strand of DNA, what is the combination of deoxyribose and phosphate and base known as?
    Three nucleotides form a codon, and many codons form a chromatid.
    Author: rikazzz Comment
    Cells and Tissues
    What results from the events that occur during metaphase of mitosis?
    During metaphase, chromosomes are arranged on a plane (the metaphase plate) in the middle of the cell, attached to microtubules of the spindle.
    Author: rikazzz Comment
    Cells and Tissues
    Which of the following is NOT made predominantly from epithelial tissue?
    The dermis contains connective tissue, nervous tissue and muscle as well as epithelial tissue.
    Author: rikazzz Comment
    Cells and Tissues
    In a cell cycle, which phase takes the longest time to complete?
    Interphase is the time when the cell is performing its normal function and not dividing.
    Author: rikazzz Comment
    Cells and Tissues
    Epithelial and connective tissues differ from each other in which of the following characteristics?
    The other choices are not correct.
    Author: rikazzz Comment
    Cells and Tissues
    Which form of transport through the plasma membrane requires the expenditure of energy by the cell?
    The term “active” implies using energy (in the form of ATP) to move a molecule against its concentration gradient while the other processes are all passive.
    Author: rikazzz Comment