Cell cycle phases
Cell Cycle Questions
1)What is the name of the phase represented by the letter X? This is the first stage where the chromosomes become visible and the nuclear envelope disappears.
2)Centrioles, the little cylindrical objects within a cell, are represented by which number?
What cell structure is best represented by number four?
4)Spindle fibers aid in the separation of chromosomes. Which number best represents the spindle fibers?
5)What is the name of the second phase represented by the letter Z? This is the stage where the chromosomes move to the middle of the cell, attached to spindle fibers.
6)The individual halves of the chromosome, called chromatids, are held together by which object?
7)Which number best identifies a centromere?
8)What is the name of the third phase represented by the letter Y? This is the stage where the centromeres split and the chromatids are pulled apart to become separate chromosomes.
9)What is the name of the phase represented by the letter W? This is the stage where two daughter cells are formed and the cytoplasm divides.
10)What is another term for cytoplasm division?
1.The type of cell division in which each daughter cell receives the same number of chromosomes the parent cell had is_____.
2. The correct order of the stages of mitosis is____.
A: anaphase, metaphase, telophase, prophase
B: prophase, anaphase, metaphase, telophase
C: prophase, metaphase, anaphase, telophase
D: prophase, anaphase, telophase, metaphase
3. The number of chromosomes in a gamete is the _____.
A: diploid number
B: monoploid number
C: homolog number
D: meiosis phase number
4. During cell division a chromosome is made of two distinct strands called ______.
D: daughter cells
5. Cell size is an important factor in causing a cell to divide because a cells __________.
A: surface area does not grow as fast as its volume
B: volume does not grow as fast as its surface area.
C: shape changes often
D: need for materials to be moved across its membrane is reduced
6. DNA replication occurs during__________.
7. If a cell that has 8 chromosomes goes through mitosis, how many chromosomes will each new cell have?
D: 328. During the cell cycle, the cell spends the most time in __________and the least amount of time in_________.
A: prophase, metaphase
B: anaphase, telophase
C: prophase, telophase
D: interphase, anaphase
9. Unlike plant cells, animal cells contain _____.
A: cell walls
D: spindles10. The causes of cancer may include which of the following?
A: environmental influences
B: UV radiation
D: all of the above
1. __________ is cell division in which the diploid number is reduced by one half (haploid) for the formation of gametes.
2. What is one difference in mitosis and meiosis during anaphase I?
A: the chromosomes line up at the equator in anaphase I.
B: centromeres do not exist in anaphase I.
C: chromatids do not separate at the centromere in anaphase I.
D: crossing-over occurs only in anaphase of mitosis
3. When does crossing over occur?
A: during prophase I.
B: during fertilization.
C: at the centromere.
D: during prophase II
4. What divides unequally during cytokinesis for the female?
A: the sperm cell
B: the ovary
C: the cytoplasm
D: none of the above
5. What is another name for an ovum?
B: polar body
6. During alternation of generations, cells reproduce by _______.
C: both meiosis and mitosis
D: none of the above
7. Of the following, which is not a type of sexual life cycle?
D: alternation of generations
8. The process in which sperm and egg cells join is called ____________________.
D: taxonomy9. Which of the following does not provide new genetic combinations?
A: random fertilization
B: independent assortment
C: crossing -over
10. Genetic diversity is the raw material for_____________.
C: alternation of generations