The ovarian structure that secretes the most estrogen and progesterone after ovulation is the _____.

A. follicle
B. corpus luteum
C. oviduct
D. endometrium


Answer: B. corpus luteum

Biology & Microbiology

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Which of the following are components of molecules?

A. atoms B. cells C. organs D. organisms E. populations

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All of the following occur during the latent period of muscle contraction EXCEPT which one?

A) Myofibrils shorten. B) Calcium is released from the sarcoplasmic reticulum. C) Muscle cell membrane initiates an electrical impulse, which travels into the muscle cell. D) Myosin heads bind to actin filaments. E) Troponin-tropomyosin complex shifts, exposing myosin heads.

Biology & Microbiology

Carbohydrates typically include ________

A) an NH2 group B) C, H, and O atoms C) N and S atoms D) a PO4 group

Biology & Microbiology

In its non-phosphorylated state, the retinablastoma protein (Rb) binds to and inhibits the activity of:

A. cyclin D B. the E2F transcription factor C. cyclin-dependent kinase D. p53

Biology & Microbiology