Foreign genes can be inserted into a single plant cell that is then cultured to produce
A) a genetically modified plant.
B) genetically modified seeds.
C) a new plant species.
D) clones of the organisms from which the genes were taken.
Answer: A
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Oaks, birches and corn produce both staminate and pistillate flowers on the same plant. What term describes this type of plant?
A. monoecious B. dioecious C. hermaphroditic D. complete E. determinant
How does fat enter the blood circulation?
a. across the lining of the mouth b. through the hepatic portal system c. across the stomach lining d. through an epithelial cell e. across the large intestine lining
An animal must be physiologically ready before it can exhibit a behavior pattern. This is illustrated by:
a. inability of a newborn human to walk. b. inability of a newborn bird to fly. c. inability of a sand wasp pupa to lay eggs. d. inability of an adult human to locate an address. e. inability of a newborn sparrow to sing.
Which of the following statements about transcription and translation is most accurate in terms of compartmentalization?
Transcription occurs in the nucleolus, DNA exits through the pores, and translation occurs in the cytoplasm. Transcription and translation all occur in the nucleus; the DNA does not need to exit. Transcription occurs in the nucleus, DNA exits through pores, and translation occurs in the cytoplasm. Transcription and translation both occur in the cytoplasm; the DNA exits via voltage gated channels. Transcription occurs in the nucleus, DNA exits via ribosomal subunit attachment, and translation occurs in the cytoplasm.