Chromosomes contain both ________ and ________, and early-20th-century scientists were unsure which of these molecules carried the heritable units called genes
Fill in the blank(s) with correct word
DNA; protein
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Which of the following structures is not a modified leaf?
1.petal 2.sepal 3.carpel 4.anther
Henrietta knows her arm's position as she lifts it away from her body in a completely darkened room because her brain is getting information from these general sense receptors
A) Merkel discs B) hair cells C) thermoreceptors D) Golgi tendon organs
Gene therapy is a modern approach to preventing infectious disease.
Answer the following statement true (T) or false (F)
What hormones are also known as the gonadotropins?
A. Luteinizing hormone and estrogen B. Prolactin and estrogen C. Prolactin and oxytocin D. Follicle-stimulating hormone and oxytocin E. Follicle-stimulating hormone and luteinizing hormone