Important vertebrate features like the brain and sense organs develop from cell groups is called

A) cerebral cortex
B) sensory crest
C) neural crest
D) nativity crest


Ans: C) neural crest

Biology & Microbiology

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Heat treatment is an effective method for sterilization or disinfection of all materials

Indicate whether this statement is true or false.

Biology & Microbiology

If individuals 4 and 7 have a child, what is the probability that the child will exhibit the trait?



Above is a pedigree for a common human trait (not a disease) controlled by a single gene. Shaded symbols are for individuals exhibiting the trait.

A) 1/4
B) 1/2
C) 1/6
D) 2/3
E) 0

Biology & Microbiology

Chromatin remodeling involves both sliding and relocating of the nucleosomes. Which eukaryotic chromatin remodeling complex is likely involved?

A) ISWI complex B) SWR1 complex C) SWI/SNF complex D) SHH complex E) Mig1 complex

Biology & Microbiology

Which of the following best describes transpiration?

A) the loss of oxygen from a plant B) evaporation from a plant's roots C) the bulk flow movement of water in a plant D) the loss of water from plant leaves through evaporation

Biology & Microbiology