★ Transportation and Excretion Quiz
___ opens and closes the stomata.
A. Guard cells
B. Xylem
C. Roots
D. Phloem
Select your answer:
Topics:
Muscular System NCHSE Urinary Anatomy and Physiology Skeletal System Homeostasis - Vision Correction Infection Movement and Locomotion BMI (Body Mass Index) Nervous System Immunology and Serology Reproduction Eczema Mutations Blood Cells Endocrine System and Nervous System Blood Pressure and Blood VesselsOther quiz:
Communicable Diseases and Immune Response (OCR) › ViewWhat type of immunity happens as a result of antibodies passed from the mother to a fetus during pregnancy?
A. Artificial active
B. Artificial passive
C. Natural active
D. Natural passive
Microbiology › View
Why is it important to store agar plates upside down?
A. To prevent condensation on the agar surface
B. To allow oxygen to flow in
C. To prevent the growth of bacteria
D. To make it easier to handle the plates