※ 引述《pluso (*71真剛好的幸運:D)》之銘言：
※ 引述《didino86 (沒事最好最好沒事)》之銘言：
21.RNAs are transported through the nuclear pore complex as ribonucleoprotein
complexes.Messener RNAs,sibosomal RNAs,and transfer RNAs are exported from
the mucleus to function in ________ synthesis (A)polysaccharide (B)protein
(C)lipid (D)DNA (E)RNA
22.Ribosome engaged in the synthesis of secreted proteins are targeted to
endoplasmic reticulum by (X) at the amino terminus of the polypeptide chain.
Growing polypeptide chains are then translocated into the ER through protein
channls and released into the ER lumen by cleavage of the (X).X is
(A)nuclear localization (B)signal sequences (C)positively charged
presequences (D)amino-terminal transit peptides (E)second hydrophobic signal
sequences
23.
24.
25.Which of the following organells are responsible for degradation of large
particles taken up by phagocytosis and for the gradual digestion of the
cell's own components by autophagy?
(A)nucleus (B)ER (C)mitochondria (D)Golgi apparatus (E)lysosomes
26.
27.
28.
29.Which of the following organized around the genes for ribosomal RNAs?It is
the site of rRNA transcription and processing and of ribosome.(A)nucleus
(B)nucleolus (C)endoplasmic reticulum (D)Golgi apparatus (E)lysosome
30.
31.
32.
33.
34.
35.
36.
37.Which amino acid in effector PT are often phosphorylated during signal
transduction.Inactivation of (X) at the end of mitosis lead re-formation of
the nuclear envelope and chromosome decondensation.X is (A)Cdc2 (B)Cdk2 (C)
Cdkd (D)cyclin B (E)cyclin D
ps:這題沒題號，記得的幫忙一下吧
◎The plasma membrane is proposed to be a fluid phase and the attached protein
can move freely.This model called (A)dynamic instability (B)treadmilling
model (C)fluid mosaic model (D)induce-liy model
請愛用repost..
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