The function of the nucleus is to:
A) produce proteins.
B) contain the DNA.
C) add sugars to proteins.
D) contain the cytoplasm.
E) organize the cytoskeleton.
Answer: B
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The most distinctive characteristic of leaf mesophyll cells is that they are filled with
A. central vacuoles. B. many chloroplasts. C. oxygen bubbles. D. veins. E. stomata.
Which genetic condition has an X-linked recessive inheritance pattern?
a. Duchenne muscular dystrophy b. phenylketonuria c. achondroplasia d. sickle-cell anemia e. cystic fibrosis
The region of a plant that is composed of undifferentiated cells is called the ________
a. roots b. dermal tissue c. meristems d. cotyledon e. ground tissue
A number of ____________________ cover the rough ER.
Fill in the blank(s) with the appropriate word(s).