★ Mutations, Replication, and Cancer Quiz
What happens first in DNA replication?
A. The molecule twists tightly
B. The molecule unwinds and unzips
C. new bases are added to the DNA
D. new sugars are added to the DNA
Select your answer:
Topics:
Human Eye and Colourful World Genetics and Censorship Pancreatitis Anxiety Disorders Human Eye and Colorful World Vocabulary for Organisms in Ecosystems Nervous System and Special Senses Phlebotomy Medical Terminology Excretory System Energy and Metabolism Stimuli and Responses in Humans Illness and Symptoms Cells, Tissues and Organs Physical Therapy and Rehabilitation Histology HSOther quiz:
Muscular System › ViewMuscle contraction relies on the stimulus from the ______ system.
A. circulatory
B. endocrine
C. nervous
D. respiratory
Integumentary System › View
The nerve fibers scattered throughout the dermis are associated with:
A. Muscles, glands and sensory receptors
B. Bone and tendons
C. Melanocytes
D. Adipose tissue