The calyx is composed of
a. petals.
b. sepals.
c. stigmas.
d. ovules.
e. anthers
B
You might also like to view...
Four of the five structures listed below are parts of
the central nervous system. Select the exception. a. spinal cord b. medulla c. ganglia d. cerebellum e. cerebrum
Habitats with the most species in greatest danger of
extinction are called a. ecoregions. b. indicator species. c. riparian zones. d. hot spots. e. conservation islands.
Hereditary material in organisms is
a. DNA b. ATP c. RNA d. chromosomes
Figure 8.3
Answer the following questions about Griffith's experiments involving Streptococcus pneumoniae.
?
If an injection to the mouse contains live R strain and heat-killed S strain Streptococcus pneumonia, ____.
A. the mouse will live B. the mouse will became fatally ill and live S strain bacteria will be detected in its blood C. the mouse's blood will contain live pathogenic R strain bacteria D. the dead S strain bacteria will transform to live R strain bacteria E. DNA from the live R strain bacteria will revive the dead S strain bacteria