Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What are stomata?

1. AHairs on roots that absorb minerals
2. BTubes that carry water up the stem
3. CSmall pores in leaves that allow gas exchange
4. DGreen structures in the leaf that store starch

What is a mutagen?

1. AAn enzyme that copies DNA
2. BA cell that divides without control
3. CSomething that can cause changes in DNA
4. DA protein that repairs damaged DNA

Which organelle makes lipids and helps break down drugs and toxins in liver cells?

1. ARough endoplasmic reticulum
2. BCentriole
3. CSmooth endoplasmic reticulum
4. DNucleolus

Apa persamaan pati, glikogen, dan selulosa?

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

Why does each type of virus infect only certain kinds of cells?

1. AIt can only enter cells that have no nucleus
2. BIt can only enter cells that are dividing by meiosis at that time
3. CIt must find cells with the same DNA as its own
4. DIt must attach to specific receptor proteins on the cell surface

In a eukaryotic cell, where does transcription take place?

1. AIn the Golgi apparatus
2. BIn the nucleus
3. CIn the lysosomes
4. DOn ribosomes in the cytoplasm

Mengapa antibiotik tidak menyembuhkan infeksi virus seperti pilek biasa?

1. AVirus dibunuh tubuh sebelum antibiotik sempat bekerja
2. BAntibiotik hanya bekerja pada infeksi kulit
3. CVirus tidak memiliki dinding sel, ribosom, dan metabolisme yang menjadi sasaran antibiotik
4. DVirus terlalu besar untuk dijangkau antibiotik

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe baby's stomach makes the antibodies more active
2. BThe antibodies from breast milk attack the baby's own red blood cells
3. CThe antibodies turn into memory cells after a few weeks
4. DThe baby did not make these antibodies and forms no memory cells