Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

A solution has a pH of 3. How is it described?

1. ABasic
2. BAcidic
3. CIsotonic
4. DNeutral

What does transfer RNA (tRNA) do?

1. AIt copies DNA in the nucleus
2. BIt brings amino acids to the ribosome
3. CIt carries the code out of the nucleus
4. DIt joins two DNA strands together

What is homeostasis?

1. AKeeping a stable internal environment
2. BMaking identical copies of a cell
3. CBreaking down food for energy
4. DChanging a species over many generations

Apa persamaan pati, glikogen, dan selulosa?

1. AKetiganya polisakarida yang tersusun dari unit glukosa
2. BKetiganya lipid yang menyimpan energi
3. CKetiganya asam nukleat yang menyimpan informasi keturunan
4. DKetiganya protein yang tersusun dari asam amino

Mengapa buta warna merah-hijau lebih umum pada laki-laki daripada perempuan?

1. AAlelnya dibawa pada kromosom Y
2. BAlelnya dominan pada laki-laki dan resesif pada perempuan
3. CLaki-laki hanya memiliki satu kromosom X, sehingga satu alel sudah cukup
4. DPerempuan tidak dapat mewarisi alel itu dari ayahnya

A seedling is 4 cm tall at week 1, 8 cm at week 2, 12 cm at week 3 and 16 cm at week 4. If the trend continues, how tall will it be at week 6?

1. A24 cm
2. B32 cm
3. C20 cm
4. D18 cm

The antibiotic tetracycline binds to bacterial ribosomes. Which process does it block, and why are human cells much less affected?

1. ATranscription, because human cells have no RNA polymerase of their own
2. BDNA replication, because bacteria have no DNA polymerase
3. CTranslation, because human cells have no ribosomes
4. DTranslation, because bacterial ribosomes differ from human ribosomes

A study finds that coffee drinkers have more lung cancer. Later it is found that coffee drinkers in the study also smoked more. What is smoking in this study?

1. AThe dependent variable
2. BA placebo
3. CThe control group
4. DA confounding variable