Flowers and fruits are unique to
A. gymnosperms.
B. angiosperms.
C. conifers.
D. bryophytes.
E. cycads.
B. angiosperms.
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The material released from bacteria that may lead to shock and death in septicemia is
A. exotoxin. B. protein A. C. endotoxin. D. interferon.
Answer the following statements true (T) or false (F)
1. Cephalopods have a ring structure in their skin that secretes mucus to bind mating individuals and forms a protective cocoon for their eggs. 2. Echinoderms have centralized nervous control at the center of their bodies. 3. Monotremes are classified as reptiles because they lay leathery eggs. 4. Male monotremes and eutherians possess mammary glands. 5. Mastication is a kind of physical digestion.
Characterize red blood cells
What will be an ideal response?
Which of the following are synonymous codons?
A) UUC and UUG B) UCC and UAC C) CGA and AGA D) AGG and AGC E) AAG and AAC