1. The B-DNA structure found in solution is a A right-handed double helix of antiparallel chains (11 bp/turn) B left-handed double helix of antiparallel chains (~10 bp/turn) C right-handed double helix of antiparallel chains (~10 bp/turn). D left-handed zig-zag helix of antiparallel chains(12 bp/turn)
Diagnosis of Early Pregnancy History and symptoms Amenorrhea The first and the most important symptom emotional tension, chronic disease and certain medications delayed menses lactation, IUD and dysfunction of endocrine→ pregnancy
Normal Puerperium Definition The time from the delivery of the placenta through the first few weeks after the delivery. 6 weeks in duration. By weeks after delivery, most of the changes of pregnancy, labor, and delivery have resolved and the body has reverted to the nonpregnant state
INFERTILITY Infertility affects1 15% of reproductive age couples. Infertility is defined as a couple's failure to conceive following 1 year of unprotected sexual intercourse. reproductive age