rq - last minute for p3
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (12 张)
how would you calibrate the eyepiece graticule?
place stage micrometer on stage, line up with graticule and count the number of divisions on eye piece graticule that fit into micrometer
describe what happens during the three stages of interphase
G1 = cell growth S = DNA replication G2 = further growth and prep for mitosis
word equation for mitotic index
(no. of mitosis / total no. of cells) x 100
give an example of antigen variability
influenza virus mutates very frequently, new flu vaccine created each year.
What protein do Tc cells release?
perforin
B cells have _____ on there cell surface membrane. When bound they can _____ pathogens.
antibodies. engulf
three methods of gas movement in the tracheal system
• respiration • contraction of abdominal muscles • lactate lowers water pot of tracheoles, water into cells by osmosis, air form atmosphere into trachea
fick’s law
(SA x gradient) x length = rate of diffusion
exopeptidase…
hydrolyses peptide bonds between amino acids at TERMINAL end of polypeptide
what enzyme hydrolyses ester bonds?
lipase, triglycerides into monoglycerides and fatty acids
explain the action of bile salts during lipid digestion
emulsify lipids to form micelles, increasing surface area
dilution series calculations
C1 x V2 = C2 x V2 V2 = V1 + distilled