Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which feature helps a sperm cell carry out its job?

1. AA cell wall for protection
2. BA flagellum for swimming
3. CChloroplasts for making food
4. DA large vacuole for storing water

What do centrioles do in an animal cell?

1. AThey store the cell's digestive enzymes until they are needed
2. BThey make lipids for the cell membrane
3. CThey help organise the spindle during cell division
4. DThey capture light for photosynthesis

In genetics, what is a carrier?

1. AA person with one recessive allele for a disorder but no symptoms
2. BA person with two recessive alleles who has the disorder
3. CA person who has lost both alleles for the gene, so shows no trait
4. DA person who has a dominant disorder

Which statement about Archaea is correct?

1. AThey are prokaryotes, and many live in extreme environments
2. BThey are a type of virus
3. CThey are multicellular plants
4. DThey are eukaryotes that have a nucleus and membrane-bound organelles

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AO or AB
2. BO only
3. CA, B, AB or O
4. DA or B

What is meant by independent assortment in meiosis?

1. ADNA is copied separately in each chromosome
2. BAll chromosomes from the mother go into the same gamete
3. CHomologous pairs line up randomly, so gametes get different mixes of chromosomes
4. DSister chromatids stay joined until the end of meiosis, so all gametes are identical

In an onion root tip, 90 of 100 cells are in interphase and 10 are in mitosis. If the whole cell cycle takes 20 hours, about how long does mitosis last?

1. A2 hours
2. B18 hours
3. C10 hours
4. D0,5 hours

An mRNA reads AUG-UUU-GGC-UAA. How many amino acids are in the protein made from it?

1. A12
2. B3
3. C2
4. D4