Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

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

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

Apa yang benar tentang alel dominan?

1. ATidak pernah muncul pada fenotipe
2. BEfeknya tampak bila hanya ada satu salinan
3. CEfeknya tampak hanya bila ada dua salinan
4. DSelalu diwariskan dari ibu

What are restriction enzymes?

1. AEnzymes that cut DNA at specific base sequences
2. BEnzymes that digest fats in the intestine
3. CEnzymes that copy RNA into DNA
4. DEnzymes that join amino acids into proteins

A protein is made to be secreted out of the cell. What path does it follow?

1. AGolgi apparatus, then rough ER, then nucleus, then cell membrane
2. BSmooth ER, then mitochondrion, then vesicle, then cell membrane
3. CNucleus, then lysosome, then Golgi apparatus, then cell membrane
4. DRough ER, then Golgi apparatus, then vesicle, then cell membrane

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

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

What happens in the lytic cycle of a virus?

1. AThe virus makes many copies in the host cell, which then bursts
2. BThe host cell makes antibodies against the virus
3. CThe viral DNA joins the host DNA and stays inactive for a long time
4. DThe virus divides by binary fission outside the cell

A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?

1. AStarch but no protein
2. BBoth protein and starch
3. CProtein but no starch
4. DFat but no protein

Plants in waterlogged soil take up fewer mineral ions, even when the ions are plentiful. What is the best explanation?

1. AWaterlogged roots carry out more photosynthesis
2. BWater dilutes the ions so much that roots cannot detect them
3. CRoot cells lack oxygen, so less ATP is made for active transport
4. DMineral ions only enter by osmosis, and osmosis stops in wet soil