Which of the following is composed of a large and a small subunit? ()
A: Golgi apparatus
B: endoplasmic reticulum
C: mitochondria
D: Ribosome
A: Golgi apparatus
B: endoplasmic reticulum
C: mitochondria
D: Ribosome
B
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举一反三
- Which one of the following is continuous with the nuclear envelope?() A: endoplasmic reticulum B: Golgi apparatus C: mitochondrion D: lysosome
- Which of the following describes an accurate order of events in<br/>translation?() A: Ribosomal translocation occurs before the first aminoacyl-tRNA<br/>molecule binds to the small subunit. B: Initiation of translation occurs only after the small subunit<br/>dissociates from the mRN C: The large subunit of the ribosome binds the mRNA before the small<br/>subunit. D: The first aminoacyl-tRNA molecule binds to the small subunit before<br/>the large subunit binds.
- Which of the following is incorrect regarding serous gonadal vesicles: A: The top of the cytoplasm contains eosinophilic secretory granules B: The basal cytoplasm is strongly basophilic C: The nucleus is oblate at the base of the cell D: At the base of the cell are a large number of parallel thick endoplasmic reticulum and mitochondria E: More ribosomes
- Which of the following cells in the testis contain the most smooth endoplasmic reticulum?() A: Spermatogonium B: Leydig cell C: Smooth muscle cell D: Sertoli cell E: Spermatid
- What are the correct descriptions of chondrocytes?() A: Located in cartilage lacuna B: Same cell size C: All in a single distribution D: Rich in rough endoplasmic reticulum and Golgi complex E: Each cell has a cartilage capsule
内容
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Which one of the following is not part of a prokaryotic ribosome? （ ）
- 1
Which of the following proteins would not be found in Mitochondria? ( )
- 2
Which of the following is a pair of complementary antonyms A: large/small B: dead/alive C: husband/wife D: uy/sell
- 3
4. Which of the following kitchen appliances are located on the left? A: Large kitchen appliances. B: Small kitchen items. C: Pictures and framing.
- 4
Which of the following statements about RNA polymerase II is wrong? A: It makes mRNA precursors B: It is strongly inhibited by a-amanitin C: It is composed of several subunits D: It has high frequency phosphorylation of the CTD in the maximum subunit<br/>during initiation