What specialized structure is used for feeding in molluscs?

a. Periostracum
b. Proboscis
c. Conchiolum
d. Radula


d

Biology & Microbiology

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Sterile refers to ________.

A. pathogen-free B. homogenized C. absence of spores D. pasteurized E. absence of any life forms and viral particles

Biology & Microbiology

In ____ bonds, atoms share electrons equally

a. double covalent b. unstable covalent c. polar covalent d. nonpolar covalent e. triple covalent

Biology & Microbiology

Which organelle performs cellular respiration?

A) endoplasmic reticulum B) Golgi apparatus C) lysosome D) mitochondrion

Biology & Microbiology

A boy falls while riding his bike. A scrape on his hand almost immediately begins to bleed and becomes red, warm, and swollen. What response is occurring?

A) inflammatory response B) lytic response C) adaptive immune response D) autoimmune response

Biology & Microbiology