Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa monomer asam nukleat seperti DNA?

1. ANukleotida
2. BMolekul glukosa
3. CMolekul gliserol
4. DAsam amino

Apa struktur utama membran sel?

1. ASelembar tunggal molekul pati
2. BLapisan ganda fosfolipid dengan protein yang tertanam
3. CLapisan kaku serat selulosa dan lignin
4. DDinding tebal peptidoglikan

What is phagocytosis?

1. AA cell engulfing large particles such as bacteria
2. BA cell dividing into two identical daughter cells
3. CA cell taking in small droplets of fluid
4. DA cell releasing hormones by exocytosis

Where does the oxygen released by photosynthesis come from?

1. AFrom water molecules that are split
2. BFrom carbon dioxide molecules that are split
3. CFrom glucose that is broken down
4. DFrom chlorophyll that is used up

Which statement best describes biological evolution?

1. AChange in the inherited traits of a population over generations
2. BGrowth of an organism from a single zygote to a fully grown adult
3. CMovement of animals to a new habitat each year
4. DChange in the body of one organism during its lifetime

A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?

1. ACross it with another tall plant
2. BCross it with a short (tt) plant
3. CCross it with a TT plant
4. DLet it grow for a longer time

Why does the influenza vaccine need to be updated most years?

1. AInfluenza is caused by a different bacterium each year
2. BThe virus keeps changing its surface proteins through mutation
3. CAntibodies cannot be made against viruses
4. DThe vaccine damages the immune system after one year, so it must be repeated

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

1. ABerubah menjadi enzim lain yang mencerna lemak
2. BTidak berubah, karena pH tidak memengaruhi enzim
3. CMeningkat, karena enzim menyukai kondisi basa
4. DMenurun, karena pH jauh dari optimumnya