_____ and _______ organisms have been on planet for about 3-5 billion years
Fill in the blank(s) with the appropriate word(s).
Ans: microbes and bacterial-type
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TCRs are found exclusively on T cells
Indicate whether the statement is true or false.
You purchase a black dog from a pet shop that tells you this animal is a purebred and that they will forward its papers to you at a later date. In this breed, black is dominant to white. You mate the dog with a white dog of the same breed. If the dog you purchased was a purebred animal, what approximate percentages of colors should you see in the offspring?
A) 100% black B) 100% white C) 50% white, 50% black D) 75% white, 25% black E) 25% white, 75% black
This type of RNA is typically found as a strand about 75?90 bases long that folds into a structure with
four double-helical segments.
a. snRNA b. pre-mRNA c. rRNA d. tRNA e. mRNA
Which type of plant would be the most nutritionally valuable to a human?
A) a plant that has no ground tissue B) a plant with 10% ground tissue and 90% vascular tissue C) a plant with minimal reproductive organs D) a plant with 90% ground tissue and 10% vascular tissue