Gram-negative bacteria are less susceptible to complement lysis than Gram-positive bacteria
Indicate whether this statement is true or false.
FALSE
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Which of the following statements about double fertilization in angiosperms is correct?
A) One pollen grain combines with the egg to form the zygote, and one pollen grain combines with the polar nuclei to form endosperm. Two sperm combine with a polar nucleus to form endosperm. B) Two pollen grains combine with two ovules to form the zygote and endosperm. C) One sperm combines with the polar nuclei to form the zygote, and one sperm combines with the egg to form endosperm. D) One sperm combines with the egg to form the zygote, and one sperm combines with the polar nuclei to form endosperm.
Photooxidation reactions can lead to the production of toxic forms of oxygen and the destruction of the photosynthetic apparatus
Indicate whether the statement is true or false.
When offspring are born from fertilized eggs that remain inside the female until they hatch, this is termed which of the following?
a. external fertilization b. oviparity c. ovoviparity d. viviparity
In gram negative bacteria a pilus allows it to
A) attach to surfaces, aiding in the formation of biofilms. B) move using an "oarlike" motion. C) transfer genetic material. D) infect their host.