The transforming principle discovered by Griffith is RNA
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FALSE
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It is possible to make seedless tomatoes by removing the anthers of the flower and putting a hormone (auxin) on the stigma of the tomato flower
Weekly applications are required. Over the course of development, the stigma and style fall off, and the ovary develops into a normal-looking tomato with no seeds. Normally, seed and fruit formation are coordinated using hormone signaling. What does the application of auxin indicate? A) The stigma of a tomato flower produces auxin that is necessary for pollination. B) Auxin stimulates the development of the pericarp into the ovary wall. C) Applied auxin must substitute for an auxin source in a developing seed. D) Auxin is naturally produced by pollen and transferred, along with genetic material, to the flower.
The ciliary muscle
a. controls the eardrum. b. controls the shape of the lens to allow focusing. c. holds the bones of the middle ear in place. d. enables the eyeball to move so that a person may see an object without moving the head. e. is responsible for the size of the pupil in different light intensities.
A linear strand of DNA with two restriction enzyme cut sites will yield three fragments on digestion
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In E. coli replication the enzyme primase is used to attach a 5 to 10 base ribonucleotide strand complementary to the parental DNA strand. The RNA strand serves as a starting point for the DNA polymerase that replicates the DNA
If a mutation occurred in the primase gene, which of the following would you expect? A) Replication would only occur on the leading strand. B) Replication would only occur on the lagging strand. C) Replication would not occur on either the leading or lagging strand. D) Replication would not be affected as the enzyme primase in involved with RNA synthesis.