question archive english only Which of the following is NOT a feature of apoptotic cells? (Yang manakah antara berikut BUKAN ciri sel apoptotik?) (PO1, C2) Select one: a
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Which of the following is NOT a feature of apoptotic cells? (Yang manakah antara berikut BUKAN ciri sel apoptotik?) (PO1, C2)
Select one:
a. Membrane blebbing (Pelipatan membran)
b. Nuclear collapse (Perobohan nukleus)
c. Expansion of cell (Pengembangan sel)
d. Condensation of chromatin (Kondensasi kromatin)
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Question 16
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At anaphase, if the anaphase promoting complex (APC) fail to be formed, what possible events would happen? (Pada anafasa, sekiranya kompleks penggalak anafasa (APC) gagal dibentuk, apakah peristiwa yang mungkin berlaku?) (PO1, C3)
Select one:
a. Cell will remain at metaphase. This is because failure to form APC will not result in cohesion and cyclin B degradation. (Sel akan kekal pada metafasa. Ini adalah kerana kegagalan untuk membentuk APC tidak akan mengakibatkan penguraian kohesin dan siklin B.)
b. Cell will undergo many mutation cycles. (Sel akan menjalani kitaran mutasi yang banyak.)
c. Cell will exit the cell cycle process and enter G0 phase. (Sel akan keluar daripada proses kitar sel dan memasuki fasa G0.)
d. Cell will continue through the cell cycle process. However, sister chromatids will not be separated during anaphase, resulting in daughter cells with abnormal chromosome number. (Sel akan terus melalui proses kitar sel. Walau bagaimanapun, kromatid beradik tidak akan berpisah semasa anafasa, menghasilkan sel anak dengan bilangan kromatid yang tidak normal.)
G1 and G2 checkpoints in the cell cycle ensure that the duplicated DNA is not damaged. If there is DNA damage, the cell cycle will be halted until the damage is repaired. How is this achieved? (Titik pemeriksaan G1 dan G2 di dalam kitar sel memastikan DNA yang diduplikasi tidak rosak. Sekiranya terdapat kerosakan DNA, kitar sel akan diberhentikan sehingga kerosakan diperbaiki. Bagaimanakah ini dicapai?) (PO1, C3)
Select one:
a. By activating DNA polymerase. (Dengan mengaktifkan DNA polymerase.)
b. By entering the G0 phase. (Dengan memasuki fasa G0.)
c. By degrading cyclins. (Dengan menguraikan siklin.)
d. By inhibiting the action of cyclin-dependent kinases. (Dengan merencatkan aksi kinase yang bergantung kepada siklin.)
In angiosperms, fertilization of the __________________ would result in the formation of endosperm. (Di kalangan angiosperma, pensenyawaan _______________ akan mengakibatkan pembentukan endosperma.) (PO1, C1)
Select one:
a. polar nuclei (nukleus kutub)
b. suspensor (suspensor)
c. ovule (ovul)
d. embryo (embrio)
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Question 19
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Arrange these events related to seed development in the correct sequence. (Susun peristiwa berkaitan dengan perkembangan biji ini dalam turutan yang betul.) (PO1, C2)
I. Expulsion of water (Pengusiran air)
II. Deposition of reserves, mainly carbohydrates (Penyimpanan simpanan, terutama karbohidrat)
III. Absorption of water (Penyerapan air)
IV. Mobilization of reserves (Mobilisasi simpanan)
Select one:
a. IV - I - II - III
b. III - II - I - IV
c.
I - II - III - IV
d. II - I - III - IV
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Question 20
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The development of plants and animals shares certain key similarities. Both of their development process includes fertilization of gametes, cell division and differentiation. However, the key difference which set their development process apart is:
(Perkembangan tumbuhan dan haiwan berkongsi persamaan utama tertentu. Proses perkembangan kedua-duanya melibatkan persenyawaan gamet, pembahagian dan pembezaan sel. Walau bagaimanapun, perbezaan utama yang membezakan proses perkembangan mereka ialah:) (PO1, C3)
Select one:
a. type of hormones involved at different stages of their development. (jenis hormon yang terlibat pada peringkat perkembangan berbeza.)
b. focal points where growth occurs. (titik tumpu di mana tumbesaran berlaku.)
c. development plasticity observed in plants, which is limited in animals. (Plastisiti perkembangan yang diperhatikan di kalangan tumbuhan, yang terhad di kalangan haiwan.)
d. how growth occurs, particularly related to how size increase in plants and animals, respectively. (bagaimana tumbesaran berlaku, terutama berkaitan bagaimana saiz meningkat dalam tumbuhan dan haiwan, masing-masing.)
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