The ________ is an extraembryonic membrane that surrounds the embryo and serves to protect and cushion the embryo

Fill in the blank(s) with correct word


amnion

Biology & Microbiology

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Zara has worked for 40 years at a garden center, where she often potted plants. In the early days, she frequently worked with vermiculite, an asbestos-like material. Which organelles are most likely to have destabilized membranes as a result of exposure

to vermiculite? A) mitochondria B) Golgi complexes C) lysosomes D) nuclei

Biology & Microbiology

A student is shopping for antibacterial hand cleansers and is trying to decide which one to buy. One is a "waterless" hand gel containing 70% isopropanol, the second is an "antibacterial" hand soap containing triclosan (a phenolic), and the third is a wipe that lists benzethonium chloride (a synthetic quaternary ammonium salt) as the active ingredient. Compare and contrast these cleansers in

terms of the action of the antimicrobial ingredient and the level of disinfection (degerming, germistatic, germicidal). What will be an ideal response?

Biology & Microbiology

What kinds of general observations cause one to conclude that development is the result of variable gene activity?

What will be an ideal response?

Biology & Microbiology

How many questions are needed in this dichotomous key to determine if the unknown is Bacteroides?

a. Four b. Three c. Five d. Two

Biology & Microbiology