Which of the following is found in RNA but not DNA?
A) adenine
B) cytosine
C) deoxyribose
D) guanine
E) uracil
E
Bloom's Taxonomy: Knowledge
Section: Organic Macromolecules
Learning Outcome: 2.27
2.2 True/False Questions
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During Krebs cycle reactions, the waste product gas ____________________ is produced. Fill in the blank(s) with the appropriate word(s)
Which statement about the domain Archaea is true?
A) Genetic prospecting has recently revealed the existence of many previously unknown archaean species. B) The genomes of archaeans are unique, containing no genes that originated within bacteria. C) No archaeans can inhabit solutions that are nearly 30% salt. D) No archaeans are adapted to waters with temperatures above the boiling point.
In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls flower color. The allele for tall (D) is dominant to the allele for dwarf (d), and the allele for purple (P) is dominant to the allele for white (p). A tall plant with white flowers crossed with a dwarf plant with purple flowers produces all tall offspring with purple flowers. What is the genotype of the parents?
A. Dd Pp x Dd pp B. Dd Pp x Dd Pp C. DD pp x dd PP D. Dd pp x dd Pp E. DD Pp x dd pp
You analyze two daughter cells of Bacteria A immediately after binary fission. Which of the following is ACCURATE about the daughter cells?
A. They are members of the same colony. B. They have genetically identical chromosomes. C. They are members of the same colony and they have genetic contributions from two different parent cells. D. They are members of the same colony and have genetically identical chromosomes. E. They have genetic contributions from two different parent cells.