What does "transfer RNA" actually transfer?
A) Ribosome
B) Codons
C) Amino acids
D) Transcripts
C
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The theory of endosymbiosis is based on
A. evidence from the fossil record. B. the experiments in which bacteria were made to grow in plant cells forming chloroplasts. C. the knowledge that ribosomes are structures found in bacteria, plants, and animals. D. similarities between chloroplasts and other organelles in animals. E. the observations that chloroplasts and mitochondria resemble bacteria.
Which of the following is true concerning root
nodules? a. They may kill a plant. b. They are produced by a fungus. c. They remove nitrogen compounds from the plant. d. They convert the harmful ammonia that plant cells produce into gaseous nitrogen. e. None of these are true
How could you determine if a plant is heterosporous?
A) Male and female reproductive structures are located on separate plants. B) It has vascular tissue. C) It has multiple sporangia. D) Its diploid sporophyte produces spores via meiosis.
Answer the following questions true (T) or false (F)
1. Southern blotting is a technique that can be used to identify microbes that cannot be cultured. 2. The microbes residing on human skin are part of the human microbiome. 3. Scientists were able to increase the production of naturally occurring vitamin A in rice plants.