One form of hereditary blindness is inherited through a mutation in mitochondrial genes. Which of the following is a CORRECT statement about this condition?
a) Only females can have the condition.
b) Only males can have the condition.
c) Males who have the condition inherited it only through their mothers.
d) Males can not have the condition.
Ans: c) Males who have the condition inherited it only through their mothers.
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It is submerged only at the highest tide of the lunar
cycle. a. upper littoral b. midlittoral c. lower littoral d. intertidal e. neritic
Carbon dioxide enters the leaf, and oxygen exits, through tiny pores called _______________.
Fill in the blank(s) with the appropriate word(s).
Some organisms are able to reproduce both sexually and asexually.
Answer the following statement true (T) or false (F)
Which sequence accurately describes the flow of electrons in photosynthesis?
A) Photosystem I ? photosystem II ? H2O ? NADP B) H2O ? photosystem II ? photosystem I ? NADP C) Photosystem I ? photosystem II ? NADP ? H2O D) Photosystem II ? photosystem I ? NADP ? H2O E) H2O ? photosystem I ? photosystem II ? NADP