Question

1) The pigment molecules of chloroplasts are located within their
a) intrathylakoid spaces  b) inner membranes  c) matrices    d)   thylakoid membranes

2) A cell grows during
a) interphase       b) prophase     c) metaphase    d) anaphase

3) Cytokinesis of a cell typically begins at
a) Anaphase      b) metaphase     c) telophase    d) interphase

4) An operon is a
a) protein that suppresses gene expression    b) protein that acderates gene expression
c) gene that switches other genes on or off     d) cluster of structural genes with related functions

5) A virion is
a) viral gene   b) viral ribosome       c) virus      d) viral lysosome

Answer 1

1)          d) thylakoid  membranes

2)          a)interphase

3)          a) Anaphase

4)          d) cluster of structural genes with related functions


5)          c)virus