A pizza dough recipe calls for 2 cups of flour and 1 1/2 teaspoons of salt. How much salt would you need if you wanted to triple the recipe?
Answer(s): D
1 1/2 × 3 = 4 1/2.
What does 4x – 1/2y equal if x = 9 and y = 6
Answer(s): B
(4 × 9) − (1/2 × 6) = 36 − 3 = 33.
Which of the following is the largest organelle in an animal cell?
Answer(s): C
An animal cell has neither chloroplast nor vacuole, thus B & D can be eliminated. In an animal cell, the nucleus is indeed the largest organelle (in relation to diameter).
Which of the following leukocytes function in releasing histamine as an inflammatory response and possesses large cytoplasmic granules?
Answer(s): E
Basophils are indeed responsible for releasing histamine as an inflammatory response. Their structure is also indeed of having large cytoplasmic granules.
Which of the following functions to collect and focus the light from the illuminator on to the specimen?
Knowing the compound microscope anatomy and its functions is important for the biology section as it can and is tested.
Which of the following functions in regulating and allowing chyme to pass from the stomach to the duodenum of the small intestine?
Pyloric sphincter is indeed the function that the question describes. Sphincter of Oddi functions in allowing digestive juices (bile) through the hepatopancreatic duct. Cardiac sphincter functions between the esophagus and the stomach, preventing stomach juice (acid) from coming up the esophagus. The Ileocecal sphincter borders the small and large intestine, preventing contents from the colon spilling back into the ileum (small intestine). The esophageal sphincter functions in opening to allow food from the mouth to enter the esophagus. It is very important to know and understand the functions of these main sphincters in the body.
Which of the following answer choices incorrectly pairs the germ layer and the structure it gives rise to?
The ectoderm is responsible for the formation of the lens of the eye. Know the basic structures these 3 germ layers give rise to.
Which of the following accurately states the products of the citric acid cycle?
Answer(s): A
6 NADH, 2 FADH2, 2 ATP, 4 CO2 indeed describes the products of the citric acid cycle (Krebs cycle). This is a conceptual question dealing with respiration. One should know the general reactants and products of the various aerobic and anaerobic cycles dealing with respiration.
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