Kaplan Biology Subject Test 1

Kaplan Biology Subject Test 1 -...

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Unformatted text preview: _________________________________________________________________________ BIOLOGY SUBJECT TEST 1 K A P L A N 1 Biology Subject Test 1 1. C 6 H 12 O 6 + O 2 CO 2 + H 2 O This process is completed A. in the cytoplasm. B. in the area of the cell membrane. C. in the nucleus. D. in the mitochondria. E. in the area around the ribosomes. 2. Which statement about gastrulation is false? A. In the amphibian, the initial site of gastrulation occurs at the gray crescent. B. As a consequence of gastrulation the embryo now consists of two germ layers: ectoderm and endoderm. C. In the amphibian, the infolding through which blastula cells migrate during gastrulation is called the blastopore. D. The primitive gut that results from gastrulation is called the archenteron. E. Mesoderm develops during gastrulation. 3. Which of the following associations of germinal tissues and developed tissues is incorrect? A. Mesoderm : heart B. Ectoderm : nervous system C. Endoderm : intestinal tract D. Mesoderm : pancreas E. Ectoderm : epidermis of skin 4. Which of the following is not a type of genetic mutation? A. Point B. Silent C. Insertion D. Frameshift E. All of the above are types of genetic mutations 5. Which of the following is a characteristic of tRNA? A. It is a long filament of RNA. B. It is produced in the nucleolus. C. It has a poly-A tail. D. It has some short double-stranded segments. E. It is the template for protein synthesis. 6. Which is not a characteristic of proteins? A. Can self-replicate B. Can act as a hormone C. Can catalyze chemical reactions D. Acts in cell membrane trafficking E. Can bind foreign materials 7. A typical human gamete A. contains a haploid number of genes. B. will always contain an X or Y chromosome. C. is a result of the meiotic process. D. has genetic material that has undergone recombination. E. All of the above 8. All of the following organelles are membrane-bound except the A. rough endoplasmic reticulum. B. Golgi apparatus. C. nucleus. D. mitochondria. E. ribosome. 9 Which statement about cyclic AMP (cAMP) is NOT true? A. cAMP is formed from ATP. B. The enzyme that catalyzes the formation of cAMP is adenylate cyclase. C. The enzyme that catalyzes cAMP formation is generally located in the cytoplasm. D. Membrane receptors are capable of activating the enzyme that forms cAMP. E. cAMP is regarded as a second messenger, since it can trigger a cascade of intracellular reactions after a hormone binds to the cell membrane. BIOLOGY SUBJECT TEST 1 ____________________________________________________________________________ 2 K A P L A N 10. All of the following about the Krebs cycle are true EXCEPT A. the Krebs cycle occurs in the matrix of the mitochondrion....
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Kaplan Biology Subject Test 1 -...

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