KSSM TING 4 BIOLOGI Bab 3

Polar head of the phospholipid molecule is_________

Kepala berkutub pada molekul fosfolipid bersifat_________

• hydrophilic

  hidrofilik

• hydrophobic

  hidrofobik

_____________ make the phospholipid bilayer stronger and more flexible.

___________menjadikan dwilapisan kuat dan lebih fleksibel.

• carrier protein

  protein pembawa

• cholesterol

  kolesterol

• glycoprotein

  glikoprotein

• glycolipid

  glikolipid

What is the characteristic of plasma membrane?

Apakah ciri membran plasma?

• permeable

  telap

• selectively permeable

  telap memilih

• impermeable

  tidak telap

All of the following are able to pass through the phospholipid bilayer, EXCEPT

Semua di bawah dapat merentasi dwilapisan fosfolipid, KECUALI

• glucose

  glukosa

• fatty acid

  asid lemak

• Vitamin A

• water

  air

Sucrose molecules are able to pass through the visking tubing.

Molekul sukrosa dapat bergerak merentasi visking tiub.

• True

  Betul

• False

  Salah

The following are true about active transport, EXCEPT

Berikut adalah benar tentang pengangkutan aktif, KECUALI

• require energy

  memerlukan tenaga

• molecules move against the concentration gradient

  molekul bergerak menentang kecerunan kepekatan

• require channel protein

  memerlukan protein liang

When red blood cells are placed in a hypotonic solution, red blood cells will undergo ________________.

Apabila sel darah merah berada dalam larutan hipotonik, sel darah merah akan mengalami______________.

• haemolysis

  hemolisis

• crenation

  krenasi

When a plant cell is placed in an isotonic solution, the cells become________________.

Apabila suatu sel tumbuhan diletakkan dalam larutan isotonik, sel berada dalam keadaan______________.

• turgid

  segah

• plasmolysis

  plasmolisis

• flaccid

  flasid

Excessive use of fertilisers may cause plant become_________

Penggunaan baja berlebihan mungkin menyebabkan tumbuhan __________

• flaccid

  flasid

• plamolysis

  plasmolisis

• wilt

  layu

The following are active transport, EXCEPT

Berikut adalah pengangkutan aktif, KECUALI

• absorption of glucose and amino acids in the villus

  penyerapan glukosa dan asid amino dalam vilus

• absorption of mineral ions by a plant root hair cell

  penyerapan ion mineral oleh sel akar rambut tumbuhan

• gaseous exchange between an alveolus and a blood capillary

  pertukaran gas antara alveolus dan kapilari darah