Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the active site of an enzyme?

1. AThe region where the substrate binds
2. BThe product formed by the reaction
3. CThe gene that codes for the enzyme
4. DThe part of the cell where the enzyme is made

Apa yang tidak dimiliki sel prokariot, seperti bakteri?

1. ANukleus yang dibungkus membran
2. BMembran sel
3. CRibosom
4. DMateri genetik berupa DNA

Apa yang dilakukan lisosom?

1. AMenangkap energi cahaya untuk sel
2. BMencerna limbah dan bagian yang sudah aus
3. CMembuat protein dari asam amino
4. DMenyimpan informasi genetik sel

A tablet contains 2,5 g of a substance. How many milligrams is this?

1. A250 mg
2. B25 mg
3. C2500 mg
4. D0,0025 mg

Urutan mana yang komplementer dengan untai DNA A-T-G-C-C-A?

1. AU-A-C-G-G-U
2. BG-C-A-T-T-G
3. CT-A-C-G-G-T
4. DA-T-G-C-C-A

The genetic code is described as nearly universal. What does this mean?

1. AAll organisms have exactly the same genes
2. BEvery cell in the body makes the same proteins
3. CAll organisms have the same number of chromosomes in their cells
4. DThe same codons mean the same amino acids in nearly all organisms

A karyotype shows 45 chromosomes, with a single X chromosome and no Y. Which condition is this?

1. AKlinefelter syndrome
2. BA typical male karyotype
3. CDown syndrome
4. DTurner syndrome

Ignoring crossing over, how many different combinations of chromosomes can one person's gametes have because of independent assortment?

1. A23², about 529
2. B2²³, about 8 million
3. C46, one for each chromosome
4. D2 × 23, which is 46