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Sains Bab 3 Flashcards

1
Q

Nyatakan fungsi karbohidrat

A

Membekal tenaga

Menjadi makanan simpanan

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2
Q

Nyatakan unsur dan contoh karbohidrat

A

Karbon
Hidrogen
Oksigen

Contoh:
Kanji
Glikogen selulosa

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3
Q

Nyatakan unsur dan unit asas protein

A

unsur: karbon, hidrogen, oksigen, nitrogen

Unit asas:Asid amino

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4
Q

Nyatakan fungsi protein

A

Pertumbuhan
Pembaikan tisu
Mengganti sel mati
Mensintesis enzim, hormon , antibodi

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5
Q

Nyatakan unsur dan unit asas lemak

A

karbon, hidrogen, oksigen

Gliserol, asid lemak

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6
Q

Fungsi lemak

A

Sumber dan simpanan tenaga
Melindung organ
Pengangkut vitamin
Penebat haba

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7
Q

Maksud pelawas

A

Bahan yang tidak dapat diuraikan, terdiri dari selulosa

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8
Q

Fungsi pelawas

A

merangsang peristalsis

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9
Q

Fungsi dan unsur air

A

hidrogen
Oksigen

Pelarut bahan kimia
Medium pengangkutan nutrien&oksigen

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10
Q

Fungsi Kalsium

A

Membantu darah beku

Menguatkan tulang , gigi

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11
Q

Sumber kalsium

A

susu
Ikan
Udang

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12
Q

Kesan kekurangan kalsium

A

riket

Osteoporosis

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13
Q

Fungsi natrium

A

Memelihara saraf

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14
Q

Kesan kekurangan natrium

A

kekejangan otot

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15
Q

Sumber natrium

A

garam
Daging
Telur

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16
Q

Fungsi besi

A

Membina hemoglobin dalam darah

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17
Q

Kesan kekurangan besi

A

Anemia

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18
Q

Sumber besi

A

Hati

Daging

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19
Q

fungsi iodin

A

Membantu kelenjar tiroid

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20
Q

Kesan kekurangan iodin

A

Goiter

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21
Q

Sumber iodin

A

Seafood

Buah

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22
Q

Sumber Fosforus

A

Keju
Daging
Telur
Sayur

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23
Q

Fungsi fosforus

A

Menguatkan gigi dan tulang

Membentuk asik nukleik dalam dna dan rna

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24
Q

Kesan kekurangan fosforus

A

Riket
Gigi rapuh
Tidak boleh membina rna dan dna

25
Sumber kalium
Tumbuhan | Haiwan
26
Fungsi kalium
membantu pengecutan otot | Memelihara saraf
27
Kesan kekurangan kalium
lumpuh | Kekjangan otot
28
Fungsi utama vitamin
Mengekalkan kesihatan
29
Fungsi vitamin A
membantu penglihatan malam | Memelihara kulit
30
Sumber vitamin a
Susu Kuning telur Minyak ikan
31
Sumber Vitamin B
hati | Telur
32
Fungsi vitamin b
Memelihara saraf | Membentuk sel darah merah
33
Kesan kekurangan vit b
Beri beri | Anemia
34
Sumber vitamin c
Buah | Sayur
35
Fungsi vitamin C
Melawan jangkitan penyakit | Memelihara gusi dan mulut
36
Kesan kekurangan vitamin c
Skurvi (gusi berdarah)
37
Sumber Vitamin D
Mentega Telur Cahaya Matahari
38
Fungsi Vitamin D
Menyerap kalsium Menguatkan enamel gigi Memelihara kulit
39
Kesan kekurangan vitamin d
Riket Sakit gigi Penyakit Kulit
40
Sumber vitamin e
Bijirin | Sayur hijau
41
Fungsi vitamin e
memelihara sistem pembiakan
42
Kesan kekurangan vitamin E
Kemandulan | Keguguran fetus
43
Sumber Vitamin K
Susu Kuning telur Minyak ikan
44
Fungsi Vitamin K
Mempercepat Pembekuan darah
45
Kesan kekurangan Vitamin K
Darah lambat beku
46
4 Vitamin larut lemak
Vitamin A D E K
47
2 Vitamin Larut Air
Vit b | Vit c
48
Definisi gizi seimbang
Pemakanan yang mengandungi semua kelas makanan dalam kuantiti yang betul
49
6 Faktor Keperluan Kalori
``` Saiz Badan Umur Pekerjaan Jantina Keadaan Kesihatan Iklim ```
50
Nilai kalori g-¹ lemak,protein, carbs
9kcal 4kcal 4kcal
51
Definisi pencernaan makanan
Proses penguraian makanan yang besar dan kompleks dan besar kepada yang kecil dan ringkas serta boleh larut supaya dapat diserap ke dalam sel sel badan
52
Ciri ² pencernaan fizikal
Di dalam mulut Tidak melibatkan enzim Berlaku di salur pencernaan Berlaku pemecahan makanan
53
Ciri ciri pencernaan kimia
Berlaku di dalam mulut, duodenum,perut, usus Melibatkan enzim Berlaku di salur pencernaan Berlaku pemecahan makanan
54
Proses pencernaan mulut
amilase liur mengurai kanji kepada maltosa
55
Pencernaan di esofagus
Makanan disebut bolus | Berlakunya peristalsus yang menolak bolus ke perut
56
Pencernaan di perut
Protease mencerna protein kepada polipeptida Makanan separa cecair dipanggil KIM
57
Pencernaan di duodenum
Amilase pankreas mencerna kanji kepada maltosa Protease mencerna polipeptida kepada dipeptida Lipase mencerna lemak menjadi asid lemak dan gliserol
58
Pencernaan di usus kecil
Matase mencerna maltosa menjadi glukosa Protease mencerna dipeptida menjadi asid amino

Sains (1 decks)

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