Before Mendel began his pea plant experiments he wondered if traits in offspring result from blending of parental

traits or it they are inherited as ____________________ units. Fill in the blank(s) with the appropriate word(s).


ANSWER: discrete

Biology & Microbiology

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Receptors for ________ hormones are located on the plasma membrane and affect target cells by _________

A. amine; activating protein kinase enzymes B. steroid; activating protein kinase enzymes C. peptide; forming hormone-receptor complexes that activate or inhibit gene expression D. steroid; forming hormone-receptor complexes that activate or inhibit gene expression E. amine; forming hormone-receptor complexes that activate or inhibit gene expression

Biology & Microbiology

Which of the following diseases is caused by a prion?

A) polio B) Zellweger syndrome C) Tay-Sachs disease D) infantile Refsum disease E) mad cow disease

Biology & Microbiology

Which area of the cerebral cortex is important for the formulation of thoughts into speech?  

A.  Broca's area B.  the pons C.  the medulla oblongata D.  Wernicke's area E.  the cerebellum

Biology & Microbiology

At birth, the baby passes from the uterus to the outside of the mother's body through the ____

a. oviduct b. urethra c. ovary d. vagina e. vulva

Biology & Microbiology