Recently, the causative agent of a devastating disease of the staple crop plant cassava (also known as yucca, manioc or mandioca) was identified. Biochemical analysis of the pathogen revealed the presence of two nucleic acid molecules with the following base composition: A=27%, C=18%, G=26%, T=29%. Which of the following statement is most likely to be true?
The pathogenâs genetic material is single-stranded DNA.
The pathogenâs genetic material is double-stranded RNA
The pathogenâs genetic material is single-stranded RNA.
The pathogenâs genetic material is double-stranded DNA
Recently, the causative agent of a devastating disease of the staple crop plant cassava (also known as yucca, manioc or mandioca) was identified. Biochemical analysis of the pathogen revealed the presence of two nucleic acid molecules with the following base composition: A=27%, C=18%, G=26%, T=29%. Which of the following statement is most likely to be true?
The pathogenâs genetic material is single-stranded DNA. | ||
The pathogenâs genetic material is double-stranded RNA | ||
The pathogenâs genetic material is single-stranded RNA. | ||
The pathogenâs genetic material is double-stranded DNA |
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1.
__________ are fairly small organelles that provide a safe place within the cell to carry out certain biochemical reactions that generate harmful, highly reactive oxygen species. These chemicals are both generated and broken down in the same location.
Lysosomes |
Endosomes |
Peroxisomes |
Nucleosomes 2. Biologists cannot possibly study all living species. Instead, they try to understand cell behavior by studying a select subset of them. Which of the following characteristics are useful in an organism chosen for use as a model in laboratory studies?
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