Select your answer:
Topics:
Male Reproductive System Linked Gene Immune Response The Musculoskeletal System Gene Cloning Physical Fitness History of Immunology Respiratory System Pulmonology Immunity Integumentary System & Body Directions Brain/Neuron Anatomy Muscles and Healthy Body Nutritional Measurements EnzymeOther quiz:
Molecular Genetics › ViewCytosine makes up 40% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?
A. 10%
B. 20%
C. 40%
D. 80%
Endocrine System › View
Progesterone 孕酮 is secreted by
A. Testis 睾丸
B. Pancreas 胰腺
C. Ovary 卵巢
D. The anterior lobe of the pituitary gland 脑垂体前叶