Chapter 4: Chemical Composition of the Cell

Quiz
•
Biology
•
10th Grade
•
Hard

Eqah Tajuddin
Used 9+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Housewives usually marinate meat with slices of unripe papaya to tenderise the meat.
Which of the following can be used with the method above to minimise the time for tenderising the meat?
Suri rumah biasanya memerap daging dengan kepingan betik muda untuk melembutkan daging tersebut.
Antara yang berikut, yang manakah dapat digunakan dengan kaedah di atas untuk meminimumkan masa melembutkan daging?
Add some salt / Tambahkan sedikit garam
Add some sugar / Tambahkan sedikit gula
Keep at 40° / Simpan pada suhu 40°C
Keep in refrigerator for two hours / Simpan di dalam peti sejuk selama dùa jam
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A graph which shows the effect of substrate concentration on the rate of reaction.
Which of the following conclusions can be deduced from the graph?
Graf yang menunjukkan kesan kepekatan substrat ke atas kadar tindak balas.
Antara berikut, kesimpulan manakah yang dapat dideduksikan danpada graf?
Enzyme concentration is the limiting factor at level Z
Kepekatan enzim adalah faktor pengehad pada aras Z
When the concentration of substrate is increased from X to Y, more substrate molecules are available to bind with the active site of the enzymes
Apabila kepekatan substrat bertambah dari X ke Y, lebih banyak molekul substrat mengikat kepada tapak aktif enzim
At concentration Y, no more reaction takes place as all the active sites of enzymes are fully saturated
Pada kepekatan Y, tiada tindak balas yang berlaku kerana semua tapak aktif enzim telah tepu sepenuhnya
Rate of reaction at level Z can be increased if more substrate is added in the reaction
Kadar tindak balas pada aras Z boleh ditingkatkan jika lebih banyak substrat ditambah ke dalam tindak balas
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following represents the sequence for the complete hydrolysis of protein?
Antara berikut, yang manakah mewakili urutan hidrolisis protein yang lengkap?
Protein → Dipeptide → Amino acid → Polypeptide
Protein Dipeptida Asid amino Polipeptida
Protein → Polypeptide → Amino acid → Peptide
Protein Polypeptida Asid amino Peptida
Protein → Dipeptide → Polypeptide → Amino acid
Protein. Dipeptida Polipeptida Asid amino
Protein → Polypeptide → Dipeptide → Amino acid
Protein Polipeptida Dipeptida Asid amino
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram shows the action of enzyme P on substrate R
Rajah menunjukkan tindakan enzim P ke atas substrat R
What will happen at the end of the reaction?
Apakah yang akan berlaku pada akhir tindak balas?
Substrate R will not be hydrolysed
Substrat R tidak akan dihidrolisis
Only a part of substrate R will be hydrolysed
Hanya sebahagian substrat R akan dihidrolisis
Active site of enzyme P is specific to substrate R
Tapak aktif enzim P adalah spesifik kepada substrat R
Formation of enyme - substrate complex
Pembentukan kompleks enzime - substrat
5.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Diagram 2.2 shows the formation of molecule R in milk.
The formation of molecule R is through what process?
Rajah 2.2 menunjukkan pembentukan molekul R dalam susu.
Pembentukan molekul R adalah melalui proses?
6.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Diagram 2.2 shows the formation of molecule R in milk
The breakdown of molecule R is through what process?
Rajah 2.2 menunjukkan pembentukan molekul R dalam susu.
Penguraian molekul R adalah melalui proses?
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