What are the differences between dysploidy and polyploidy?
What will be an ideal response?
ANSWER: Dysploidy is a change in the number of a single chromosome without a change in the
overall number of genes. Polyploidy is a duplication in the whole genome (doubling the
number of chromosomes). Both result in changes in chromosome number; however,
dysploidy is rare and polyploidy is common.
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In bacterial and archaeal cells, the electron transport chain is located in the ________ whereas in eukaryotic cells, the electron transport chain is located in the ________.
A. inner mitochondrial membrane; plasma membrane B. plasma membrane; outer mitochondrial membrane C. plasma membrane; mitochondrial matrix D. inner mitochondrial membrane; outer mitochondrial membrane E. plasma membrane; inner mitochondrial membrane
The field of parasitology involves the study of which of the following types of organisms?
A) arthropods, bacteria, fungi, protozoa, and viruses B) arthropods, helminths, and certain protozoa C) bacteria, fungi, and protozoa D) bacteria, fungi, and viruses
Stems and roots grow in length by the addition of new cells produced in
A. companion cells B. apical meristems C. leaves D. dermal tissue
Which of the following toxins produced by Staphylococcus aureus are considered 'Super Antigens'?
A. Cytotoxins B. B-lactamase C. Enterotoxins D. Hyaluronidase