Test your basic knowledge |

MCAT Biology 2

Subjects : mcat, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. When the chromosomes replicate






2. The organic process of synthesizing and releasing some substance






3. A small cell containing little cytoplasm that is produced along with the oocyte and later discarded






4. The joining of food vacuoles and lysosomes to allow chemical digestion to occur within the cytoplasm of a cell.






5. Brings deoxygenated blood to the heart






6. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products






7. The removal of an amino group from an organism - particularly from an amino acid






8. Gonadotropin releasing hormone; a decapeptide hormone produced by the hypothalamus that stimulates the adenohypophysis to release gonadotropins (as luteinizing hormone and follicle - stimulating hormone) -- abbreviation GnRH






9. Organisms that are unable to construct their own food from inorganic sources - and therefore must consume other organisms or organic molecules from the outside environment. Function as consumers or decomposers in food chains.






10. The neurotransmitters dopamine - epinephrine - and norepinephrine - which are active in both the brain and the peripheral sympathetic nervous system. These three molecules have certain structural similarities and are part of a larger class of neurotr






11. The most abundant type of white blood cell. Neutrophils are phagocytic and tend to self - destruct as they destroy foreign invaders - limiting their life span to a few days.






12. Set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes






13. Triiodothyronine; strored in follicles - contains iodine. inc basal metabolic rate - stimulates protein synthesis - accelerate body growth and inc the use of glucose for ATP production






14. Covalent disulfide bonds between two cystein amino acids - electrostatic interactions between acidic and basic side cains - hydrogen bonds - van derwaals forces - hydrophobic side chains pushed away from water.






15. Shaft or middle region of long bone that contains layer of spongy bone






16. The two upper chambers of the heart - the receiving areas that pool incoming blood.






17. A type of embryonic development in protostomes that rigidly casts the developmental fate of each embryonic cell very early






18. Fine - collagenous fibers whose networks surround and support the soft tissue of organs - and stabilize the positions of functional cells






19. Membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional






20. Protein filaments inside a myofibril are organized into repeating functional units - (10 -000/myofibrils) smallest function unit of muscle fibers 1- thick filaments - myosin 2- thin fillament - actin 3- proteins that stablize 4- proteins that will re






21. Protein consisting of a small core protein with many carbohydrate chains attached - which can further attach to a long pollysaccharide (making a complex) are the major component of the extracellular matrix






22. Animal embryo development stage where cells on one side of the blastula move inward forming a cavity of two or three layers of cells with an opening at one end






23. The inactive form of pepsin that is first secreted by specialized (chief) cells located in gastric pits of the stomach.






24. The bonds between the phosphate groups






25. One of the main pancreatic proteases; it is activated (from chymotrypsinogen) by trypsin.






26. The third phase of the ovarian cycle - during which a corpus luteum is formed from the remnants of the follicle that has ovulated its oocyte. The corpus luteum secretes progestrone and estrogen during this time period - which typically lasts from day






27. Process by which a liquid or gas passes through a filter to remove wastes






28. Induces contraction of the uterine muscles during childbirth and causes the mammary glands to eject milk during nursing






29. The stage in mitosis or meiosis in which the duplicated chromosomes line up along the equatorial plate of the spindle






30. Small - elongated mass of specialized cardiac muscle tissue just beneath the epicardium in the right atrium near the opening of the superior vena cava - starts impulses






31. Neurological tissue in the center of the heart that receives and amplifies the conduction of impulses from the SA node to the bundle of His






32. A fluid - filled sphere formed about 5 days after fertilization of an ovum that is made up of an outer ring of cells and inner cell mass. THis is the structure that implants in the endometrium of the uterus.






33. Blood vessels that branch from the aorta and carry oxygen - rich blood to the heart muscle






34. Activated in the duodenum by enterokinase - which is produced in the cells lining the duodenum






35. (adenosine triphosphate) main energy source that cells use for most of their work






36. Organ in placental mammals through which nutrients - oxygen - carbon dioxide - and wastes are exchanged between embryo and mother






37. Small nuclear ribonucleoproteins; recognize the splice sites in the pre - mRNA; located in the nucleus and are composed of proteins and RNA






38. The digestive secretion of the pancreas containing sodium bicarbonate - amylase - proteases - and lipases






39. Gland that releases its secretions through tubelike structures called ducts






40. Building blocks of lipids. - chains of carbon atoms bonded to hydrogen atoms. Typically there is an even number of carbons with the maximum in humans being 24. Can be saturated or unsaturated.






41. Physical process of breaking up large fat globules into smaller globules - thereby increasing the surface area that enzymes can use to digest the fat.






42. The elastic tension of living muscles - arteries - etc. that facilitate response to stimuli






43. Stage of interphase in which cell grows and performs its normal functions - The first growth phase of the cell cycle - consisting of the portion of interphase before DNA synthesis begins.






44. Mature spermatids that are fully functional and capable of fertilizing a human ovum






45. Secreted from the atrial wall of the heart -- stimulates kidney tubles to secrete more sodium






46. A coenzyme that is tightly bound to an enzyme. A prosthetic group - unlike a cosubstrate - remains bound to a specific site of the enzyme throughout the catalytic cycle of the enzyme.






47. A hormone secreted by the small intestine (duodenum) in response to low pH (e.g. - from stomach acid). It promotes the release of bicarbonate from the pancreas to act as a buffer.






48. Sequence of nucleotides on a gene that gets transcribed and translated






49. Lipoproteins formed in the cells lining the small intestine following absorption of fats. they are made in the small intestinal cells and transpost dietary lipids to the liver.






50. Abnormally high blood sugar usually associated with diabetes







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests