Answer: The gateway drug effect (alternatively, stepping-stone theory, escalation hypothesis, or progression hypothesis) is a comprehensive catchphrase for the often observed effect that the use of a psychoactive substance is coupled to an increased probability of the use of further substances.
Explanation:
Answer:
A patient who can produce antibodies against some bacterial pathogens, but not against viral infections, probably has a disorder in his, B cells.
a) B cells
Answer:
Fast glycolytic fibers use anaerobic metabolism to produce energy which is used by the muscle for high tension contraction but these muscles fatigue quickly.
- It has amount amount of glycogen and have very quick acting myosin ATPase.
Slow oxidative are known as resistant fibers which generates energy(ATP) by the help of aerobic system.
- It depends on the delivery of oxygen and have red fibers which is smallest of all the fibers.
- It is found in marathon runners and its main function is to maintain posture.
Answer:
Professor James is conducting a systematic review.
Explanation:
A systematic review is an evaluative assessment of all prior studies that were conducted to evaluate an issue. In a systematic review, a researcher locates, compiles and evaluates the literaturature pertaining a specific topic using key criteria. This review which normally includes a summary of the fidings of the studies collected can also incorporate a meta-analysis, which is a quantitative data pool.