Quiz Online Chapter 12 Regulation Of Genome Activity

18 Questions | By Hendropramono | Last updated: Dec 14, 2012 | Total Attempts: 86

Questions

Settings

QUIZ ONLIE Chapter 12 Regulation of Genome Activity QUIZ ONLINE UJI NYALI MENGHADAPI UJIAN 3SENIN, 22 Desember 2008, JAM 19. 00 WIB20 soal pilihan ganda (waktu 15 menit)Ada hadiahnya lho. . . Ikutan ya. . . Jangan lupa. . . . --------------------------------------Kasih komentar dunk di kotak komen di bawah ini. . . . Click comments please

Questions and Answers

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
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)
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
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′
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
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)
7.

Struktur mirip-sel yang terdiri dari masa sitoplasma dengan banyak nuclei:
- A.
  
  Syncytium
- B.
  
  Mating-type switching
- C.
  
  Polycomb
- D.
  
  Bicoid
- E.
  
  Nanos
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
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
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
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′
12.

An extracellular signaling protein which acts as a transcription activator:
- A.
  
  Mac1p
- B.
  
  Allolactose
- C.
  
  Copper
- D.
  
  Lactoferrin
- E.
  
  Estradiol
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′
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
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)
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
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
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