Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa itu gen?

1. AProtein yang menyalin DNA sebelum pembelahan sel
2. BJenis sel yang membawa sifat keturunan
3. CSeperangkat lengkap semua kromosom sebuah sel
4. DSegmen DNA yang mengkode suatu produk seperti protein

Which kind of organism causes malaria?

1. AA fungus that grows on skin
2. BA virus spread by coughing
3. CA bacterium carried in water
4. DA protist carried by mosquitoes

Organel mana yang menghasilkan sebagian besar ATP dalam sel eukariot?

1. ABadan Golgi
2. BRibosom
3. CMitokondria
4. DLisosom

Why is DNA replication called semiconservative?

1. AOnly half of the DNA is copied each time
2. BEach new strand is a random mix of old and new pieces
3. CEach new DNA molecule has one old strand and one new strand
4. DThe old DNA molecule is kept whole, and a completely new one is made

In which phase of mitosis do the chromosomes condense and the nuclear envelope break down?

1. AMetaphase
2. BAnaphase
3. CProphase
4. DTelophase

What does RNA polymerase do?

1. AIt removes introns from pre-mRNA
2. BIt copies the whole genome before cell division
3. CIt builds a protein from an mRNA template
4. DIt builds an RNA strand from a DNA template

Pepsin bekerja di lambung, tempat pH sekitar 2. Apa yang akan terjadi pada aktivitasnya di usus halus, tempat pH sekitar 8?

1. AMeningkat, karena enzim menyukai kondisi basa
2. BBerubah menjadi enzim lain yang mencerna lemak
3. CMenurun, karena pH jauh dari optimumnya
4. DTidak berubah, karena pH tidak memengaruhi enzim

Which evidence supports the theory that mitochondria came from bacteria that lived inside an ancient cell?

1. AThey make the proteins used by the whole cell, including the nucleus
2. BThey have a cell wall made of peptidoglycan
3. CThey are found in all prokaryotic cells
4. DThey have their own circular DNA, ribosomes and a double membrane