Which of these is a method evolved by angiosperms to attract pollinators to their flowers?
A. colorful petals
B. scent
C. nectar
D. All of these are correct.
Answer: D
Biology & Microbiology
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Common vectors used for cloning genes are
A. bacteria. B. viruses. C. nucleotides. D. plasmids. E. viruses AND plasmids.
Biology & Microbiology
Shredders, collectors, and small predatory fish such as sculpins, darters, and trout are the dominant organisms collectively found in
A) estuaries. B) small headwater streams. C) medium-sized streams. D) large rivers.
Biology & Microbiology
The rDNA cluster is transcribed in a special region of the nucleus. What is this structure called and what is its morphology?
What will be an ideal response?
Biology & Microbiology
During prophase, ________________ condense(s) into visible chromosomes.
a. chromatin b. centrioles c. centromeres d. kinetochores e. colchicine
Biology & Microbiology