★ Biology Quiz
the non-lignified parts in the xylem vessels are known by …..
A. pits
B. lenticels
C. tracheids
D. sieve plates
Select your answer:
Topics:
Endocrinology BMS Cell Cycle and Cancer Sterile Medication Products Parts of Human Body Physical Therapy and Rehabilitation Circulatory System and Nutrition Types of Immunity Skeletal System Homeostatic Imbalances Psychopathology Movement Cardiovascular Physiology - Function Human Genome and Bioethics Review Effect of Exercise on Cardio Respiratory System & Muscular Musculoskeletal LE Human Eye and Colourful WorldOther quiz:
Brain › ViewWhat part of the eye is a clear protective structure that allows light to enter the eye?
A. iris
B. retina
C. cornea
D. choroid
Genetics Vocabulary › View
What is the term for having two different copies of an allele?
A. heterozygous
B. genetics
C. homozygous
D. recessive