Select your answer:

Topics:
Anatomy: Muscle Psychopathology Digestive System (Gastroenterology) Wellness Vocabulary Respiratory System Med Term Skin Appendages Mutation & Genetic Engineering Sources Of Food Diagnostic Tools Health & Wellness Vocabulary Anatomy and Histology Musculoskeletal Asexual/Sexual Reproduction Obstructive Lung Disease -ologyOther quiz:
Cellular and Sexual Reproduction › ViewX or Y chromosome
A. Gene
B. Haploid
C. Autosome
D. Sex Chromosome
Cell Structure and Functions › View
Who am I? I am dead at maturity and have secondary cell walls composed of lignin.
A. sclerenchyma
B. collenchyma
C. parenchyma
D. phloem