Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

In the scientific name Homo sapiens, what does Homo name?

1. AThe species
2. BThe family
3. CThe kingdom
4. DThe genus

Which molecules, made by immune cells, bind to specific antigens?

1. AAntibodies
2. BHormones
3. CPhospholipids
4. DEnzymes

Who first worked out the basic rules of inheritance by breeding pea plants?

1. ARobert Hooke
2. BLouis Pasteur
3. CGregor Mendel
4. DCharles Darwin

Which sequence describes the usual flow of genetic information in a cell?

1. ARNA to DNA to protein
2. BDNA to RNA to protein
3. CDNA to protein to RNA
4. DProtein to RNA to DNA

How does cytokinesis differ between animal cells and plant cells?

1. AOnly animal cells carry out cytokinesis
2. BOnly plant cells carry out cytokinesis
3. CAnimal cells pinch in with a furrow; plant cells build a cell plate
4. DAnimal cells build a cell plate; plant cells pinch in with a furrow

Where does the oxygen released by photosynthesis come from?

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

Why is one new DNA strand made in short pieces (Okazaki fragments) during replication?

1. AThe lagging strand is made of RNA instead of DNA, so it must be built in pieces
2. BDNA polymerase works only 5' to 3', and the strands are antiparallel
3. CHelicase cuts that strand into pieces before copying
4. DOnly half of the DNA needs to be copied

Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?

1. AGauze produces chemicals that stop meat from rotting
2. BMaggots come from eggs laid by flies, not from the meat itself
3. CMeat turns into maggots when exposed to air
4. DFlies form from rotting meat, and then they lay eggs on fresh meat