Amoebae move by crawling over a surface (cell crawling), which involves _____
A) growth of actin filaments to form bulges in the plasma membrane
B) setting up microtubule extensions that vesicles can follow in the movement of cytoplasm
C) reinforcing the pseudopod with intermediate filaments
D) cytoplasmic streaming
Answer: A
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Haemophilus influenzae type b is a causative agent of meningitis in children.
Answer the following statement true (T) or false (F)
Match the organelle on the left with the appropriate property on the right.
A) transport to various layers of Golgi B) mediates transfer of lysosomal enzymes into a lysosome C) found in plant endosperm or cotyledons D) degradation of damaged organelles E) biosynthesis of steroid hormones F) binds vesicle to target membrane G) transport of proteins from ER to Golgi H) sorting proteins for export or to specific organelles I) ? oxidation of fatty acids J) transport from Golgi to plasma membrane 1 peroxisomes 2 smooth endoplasmic reticulum 3 lysosomes 4 Golgi apparatus 5 transition vesicle 6 shuttle vesicle 7 secretory vesicle 8 glyoxysomes 9 tethering protein 10 mann
A potential consequence of continued human population growth could be which of the following?
a. Humans change from exponential to logistic growth patterns. b. Carrying capacity of the planet will increase. c. Life expectancy decreases as resources become limited. d. Life expectancy increases as resource become more abundant.
Which of the following is not a characteristic of a transformed cell?
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