MCAT

Glycine Glycine is the most simple amino acid - its best to just memorize that this important amino acid has a functional group that only contains a hydrogen! Alanine Alanine has a really simple functional group (just a simple methyl group) that some of the other AA functional groups build on. You can remember the name because the alphabet builds on the letter A and other functional groups build on the simple Alanine R group. What about the other A amino acids? well Alanine has the shor...

MCAT PRACTICE QUESTIONS WITH ACCURATE SOLUTIONS Why are triacylglycerols used in the human body for energy storage? A) They are highly hydrated, and therefore can store lots of energy. B) They always have short fatty acid chains, for easy access by metabolic enzymes. C) The carbon atoms of the fatty acid chains are highly reduced, and therefore yield more energy upon oxidation. D) Polysaccharides, which would actually be a better energy storage form, would dissolve in the body. - correc...

MCAT EXAM WITH 100% ACCURATE ANSWERS A stroke patient comprehends speech but cannot move her mouth to form words. Which of the following brain areas is likely affected? ■Broca's area ■Wernicke's Area ■Arcuate fasciculus ■Superior temporal gyrus - correct answerBroca's area (Broca's area governs the motor function of language. A stroke that affects Broca's area will leave receptive language intact, but word formation will be affected. A stroke affecting Wernicke's area, choi...

MCAT BIOLOGY CHAPTER 1: THE CELL QUESTIONS WITH 100% CORRECT ANSWERS { GRADED A+} What are the four tenants of the cell theory? - -All living things are composed of cells. -The cell is the basic functional unit of life. -Cells arise only from pre-existing cells -Cells carry genetic information in the form of DNA Why are viruses not considered living organisms? - They violate the cell theory; -their genetic material is RNA -they cannot reproduce on their own, they must invad...

MCAT BIOLOGY 2: THE REPRODUCTIVE SYSTEM QUESTIONS WITH 100% CORRECT ANSWERS { GRADED A+} Sex is determined by - sex chromosomes (23rd pair) Which sex chromosome carries little genetic info? - Y Which sex chromosome carries a lot of genetic info? - X Mutations on X chromosome cause - X-linked disease/disorder What gene codes for testes determining factor? (transcription factor for formation of male gonads aka testes) - SRY gene on Y chromosome Epididymis - where sperm gain motil...

Review of basic formulas, theories, and key concepts for physics/chemistry, biology/biochemistry, and psychology/sociology section of MCAT.

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