- A. Four cells with a haploid number of chromosomes- B. One cell with twice the number of chromosomes of the parent cell- C. Four cells with the same chromosomes as the parent cell- D. Exact copies of the parent cell
- a) Contain threadlike double-strands of DNA molecules- b) Determine what traits you will possess- c) Are precursor cells that give birth to new cells- d) Increase during prenatal development
- A) Contain integrins that develop transient interactions with the extracellular matrix- B) Collect information about the chemical properties of the extracellular environment- C) Transmit information to the cell interior that may lead to changes in cell adhesion, proliferation or survival- D) All of the choices are correct
- A) Not present in the Y sex chromosome, but present in the X sex chromosome- B) Held together by the centrioles- C) Identical copies of each other if they are part of the same chromosome- D) Found only in aberrant chromosomes
- a. Reproduction (production of gametes)- b. Growth and development- c. Tissue repair/replacement of damaged cells- d. b and c, but not a- e. a, b, and c
- A) Organizing the mitotic spindle in cell division- B) Serving as the site for ribosomal RNA synthesis- C) Providing a whiplike beating motion to move substances along cell surfaces- D) Producing ATP