Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the main job of the nucleolus?

1. AIt stores water and salts for the nucleus
2. BIt digests worn-out parts of the cell
3. CIt makes ribosomal RNA and builds ribosome parts
4. DIt releases energy from glucose for the nucleus

Struktur mana yang ada di sel tumbuhan tetapi tidak di sel hewan?

1. AMembran sel
2. BDinding sel
3. CRibosom
4. DMitokondria

Which list gives the main taxonomic ranks from broadest to most specific?

1. ASpecies, genus, family, order, class, phylum, kingdom, domain
2. BKingdom, domain, class, phylum, family, order, species, genus
3. CDomain, phylum, kingdom, order, class, genus, family, species
4. DDomain, kingdom, phylum, class, order, family, genus, species

What is the difference between an antiseptic and a disinfectant?

1. AAntiseptics kill all spores; disinfectants kill none
2. BAntiseptics are antibiotics; disinfectants are vaccines
3. CAntiseptics are used on living tissue; disinfectants are used on objects
4. DAntiseptics are used on objects and floors; disinfectants are used on skin

HIV is a retrovirus. What does its enzyme reverse transcriptase do?

1. AIt makes RNA from the host's DNA
2. BIt makes proteins from the virus's DNA
3. CIt makes DNA from the virus's RNA
4. DIt breaks down the host's ribosomes

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

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AX is most effective, and the bacteria are resistant to Y
2. BY is most effective, and the bacteria are resistant to Z
3. CAll three are equally effective against these bacteria
4. DZ is most effective, because no bacteria grew under the disc

Molekul yang bentuknya mirip substrat berikatan dengan sisi aktif enzim dan memperlambat reaksi. Bagaimana pengaruhnya dapat dikurangi?

1. ADengan menambahkan lebih banyak inhibitor
2. BDengan menambahkan jauh lebih banyak substrat
3. CDengan menghilangkan semua air dari reaksi
4. DDengan menurunkan jumlah substrat