Quiz Online Chapter 12 Regulation Of Genome Activity
QUIZ ONLIE Chapter 12 Regulation of Genome Activity
QUIZ ONLINE UJI NYALI MENGHADAPI UJIAN 3SENIN, 22 Desember 2008, JAM 19.00 WIB
20 soal pilihan ganda (waktu 15 menit)
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- 1.
Binding of these polypeptides to their cell surface receptors results in activation of a type of transcription factor called a signal transducer and activator of transcription:
- A.
Interleukin
- B.
Janus kinases (JAKs)
- C.
Lactose
- D.
Lactoferrin
- E.
Glucose
Correct Answer
A. Interleukin -
- 2.
The phenomenon whereby a bacterium, when provided with a mixture of sugars, uses up one sugar before beginning to metabolize the second sugar:
- A.
Ras system
- B.
SAP (stress activated protein) kinase system
- C.
MAP (mitogen activated protein) kinase system
- D.
Diauxie
- E.
STAT (signal transducer and activator of transcription)
Correct Answer
D. Diauxie -
- 3.
Aktivator transkripsi tergantung tembaga (copper) pada ragi: 1) Mac1p 2) Lactoferrin 3) Ace1p 4) Allolactose
- A.
Jika 1, 2, 3, dan 4 benar
- B.
Jika 1 dan 3 benar
- C.
Jika 2 dan 4 benar
- D.
Jika hanya 4 yang benar
- E.
Jika semua benar
Correct Answer
B. Jika 1 dan 3 benar -
- 4.
Hormon glucocorticoid mengikat pada elemen respons estrogen yang mempunyai urutan palindrom terbalik di bawah ini:
- A.
5′-AGAACANNNAGAACA-3
- B.
5′-AGAACANNNTGTTCT-3′
- C.
5′-AUG-3′
- D.
5′-UUG-3′
- E.
5′-GUG-3′
Correct Answer
B. 5′-AGAACANNNTGTTCT-3′ -
- 5.
Control of cellular activity, including genome expression, via a cell-surface receptor that responds to an external signal:
- A.
Phosphorylation
- B.
Gene conversion
- C.
Signal transduction
- D.
Maternal-effect genes
- E.
Mating-type switching
Correct Answer
C. Signal transduction -
- 6.
A Drosophila gene that is expressed in the parent and whose mRNA is subsequently injected into the egg, after which it influences development of the embryo:
- A.
Catabolite repression system
- B.
SAP (stress activated protein) kinase system
- C.
MAP (mitogen activated protein) kinase system
- D.
Maternal-effect gene
- E.
STAT (signal transducer and activator of transcription)
Correct Answer
D. Maternal-effect gene -
- 7.
Struktur mirip-sel yang terdiri dari masa sitoplasma dengan banyak nuclei:
- A.
Syncytium
- B.
Mating-type switching
- C.
Polycomb
- D.
Bicoid
- E.
Nanos
Correct Answer
A. Syncytium -
- 8.
Aktivator transkripsi yang berperan mengaktivasi gene-gen subunit RNA polimerase σE dan σF pada proses sporulasi Bacillus subtilis:
- A.
Activated SpoOA
- B.
LIN-3
- C.
Bicoid
- D.
P6.p
- E.
P7.p
Correct Answer
A. Activated SpoOA -
- 9.
A coordinated series of transient and permanent changes that occurs during the life history of a cell or organism:
- A.
Transient
- B.
Diferensiasi
- C.
Transkripsi
- D.
Translasi
- E.
Development
Correct Answer
E. Development -
- 10.
The ability of yeast cells to change from a to α mating type, or vice versa, by gene conversion:
- A.
Syncytium
- B.
Mating-type switching
- C.
Polycomb
- D.
Bicoid
- E.
Nanos
Correct Answer
B. Mating-type switching -
- 11.
The consensus sequence of the DNA-binding sites for STATs:
- A.
5′-AGGAGGU-3′
- B.
5′-GUG-3′
- C.
5′-AUG-3′
- D.
5′-TTN5–6AA-3′
- E.
5′-UUG-3′
Correct Answer
D. 5′-TTN5–6AA-3′ -
- 12.
An extracellular signaling protein which acts as a transcription activator:
- A.
Mac1p
- B.
Allolactose
- C.
Copper
- D.
Lactoferrin
- E.
Estradiol
Correct Answer
D. Lactoferrin -
- 13.
The response element for vitamin D3, which is a steroid derivative that activates transcription via a nuclear receptor, has the sequence:
- A.
5′-TGAACCNNNAGAACA-3
- B.
5′-AGGTCANNNAGGTCA-3′
- C.
5′-UUG-3′
- D.
5′-TTN5–6AA-3′
- E.
5′-AUG-3′
Correct Answer
B. 5′-AGGTCANNNAGGTCA-3′ -
- 14.
In Saccharomyces cerevisiae and some other species the mating-type switching involves a genome rearrangement called :
- A.
Diferensiasi
- B.
Gene conversion
- C.
Syncytium
- D.
Polycomb
- E.
Feedback loops
Correct Answer
B. Gene conversion -
- 15.
Ketika hanya satu bagian tubuh lalat buah yang harus dispesifikasi pada posisi tertentu, maka suatu sel harus mengekpresi gen homeotik yang benar. Hal tersebut dijamin oleh aksi:
- A.
Prespore
- B.
Gene conversion
- C.
Polycomb
- D.
CREB
- E.
Janus kinases (JAKs)
Correct Answer
C. Polycomb -
- 16.
Suatu gen yang menetapkan identitas bagian badan seperti segemen embrio Drosophila:
- A.
CREB
- B.
SpoOA
- C.
Gen SpoIIR
- D.
Gen selektor homeotik
- E.
JAK
Correct Answer
D. Gen selektor homeotik -
- 17.
Protein ini disandi oleh gen selektor homeotik dan bertanggung jawab untuk menspesifikasi identitas segmen lalat buah:
- A.
Protein MyoD
- B.
Protein deformed (Dfd)
- C.
STAT
- D.
Janus kinases (JAKs)
- E.
MAP kinase
Correct Answer
B. Protein deformed (Dfd) -
- 18.
In muscle development of vertebrates, a cell becomes committed to becoming a muscle cell when it begins to express ____________
- A.
MyoD gene
- B.
Gene conversion
- C.
MAT gene
- D.
Dfd gene
- E.
MAT-like genes
Correct Answer
A. MyoD gene -
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