____________ are microorganism that are not included in phylogenetic trees because they are acellular.
Fill in the blank(s) with the appropriate word(s).
Ans: Viruses
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An R loop experiment was performed on two different mRNA's. The first showed one R loop, while the second showed two R loops separated by a region of double-stranded DNA. What is the composition of these two mRNA's?
A. The first contains no introns and the second two introns B. The first contains no introns and the second one intron C. The first contains one intron and the second two introns D. The first contains two introns and the second one intron
Which layer is the outermost layer of a tree trunk?
a. Cork cambium b. Xylem c. Pith d. Cortex e. Vascular cambium
The loss of fact memory ____
a. does not affect the capacity to learn new skills b. is associated with hypothalamus damage c. affects the activity of the cerebellum d. is known as aphasia e. leaves declarative memory intact
You have been given DNA from a crime scene that needs to be sequenced in order to identify the perpetrator. Which techniques below do you need to carry out to accurately sequence the DNA? (Select all that apply.)A) Different sized fragments of DNA are made ending in the same base.B) Gel electrophoresis separates different sized fragments for each base. C) Blottings of the DNA fragments are stained with a dye.D) Fluorescent tagging for each base reveals a ladder of the sequence.
What will be an ideal response?