What are the main differences between a differential stain and a simple stain?
What will be an ideal response?
Answer: Simple staining provides basic information regarding the shape and arrangement of bacteria. Differential staining provides information about structure, or a part of the cell (cell wall); whether parts are present (capsule/endospore); distinguishes between parts, identification of bacteria
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Which tissue can NOT divide to give rise to identical progeny in a plant that reproduces asexually?
A. root B. stem C. leaf D. pollen grain E. ovule
Cancer treatments may specifically target rapidly dividing cells by using drugs or chemicals that ____
a. promote DNA replication only b. inhibit DNA repair enzymes only c. inhibit DNA replication only d. promote DNA replication or inhibit DNA repair enzymes e. inhibit DNA replication or DNA repair enzymes
A heart murmur is caused by
A. a greater-than-normal force of contraction of the right atrium. B. a constriction of the pulmonary artery. C. blockage of the aorta. D. the heart valves not functioning properly. E. a greater-than-normal force of contraction of the left atrium.
Because a direct count of all individuals within a population is often impossible, population density is usually estimated by one or more methods of ________
Fill in the blank(s) with correct word