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

Biology & Microbiology

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Which of the following structures is not a modified leaf?

1.petal 2.sepal 3.carpel 4.anther

Biology & Microbiology

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

Biology & Microbiology

Gene therapy is a modern approach to preventing infectious disease.

Answer the following statement true (T) or false (F)

Biology & Microbiology

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

Biology & Microbiology