Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a tissue?

1. AA structure inside a cell
2. BSeveral organs that work together
3. CA group of similar cells that work together
4. DA single cell that has one special job in the body

Which elements make up carbohydrates?

1. ACarbon, hydrogen and oxygen
2. BCarbon, nitrogen and sulfur
3. CCarbon, hydrogen and nitrogen
4. DHydrogen, oxygen and phosphorus

What does the polymerase chain reaction (PCR) do?

1. AIt makes many copies of a piece of DNA
2. BIt cuts DNA at specific sequences
3. CIt separates proteins by their charge
4. DIt turns RNA into protein

Mengapa buta warna merah-hijau lebih umum pada laki-laki daripada perempuan?

1. AAlelnya dibawa pada kromosom Y
2. BLaki-laki hanya memiliki satu kromosom X, sehingga satu alel sudah cukup
3. CAlelnya dominan pada laki-laki dan resesif pada perempuan
4. DPerempuan tidak dapat mewarisi alel itu dari ayahnya

The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?

1. AThey are the result of acquired traits
2. BThey evolved completely separately
3. CThey share a common ancestor
4. DThey have the same function

Yeast in bread dough breaks down sugar without oxygen. What does it produce?

1. ALactic acid and carbon dioxide
2. BOxygen and water
3. CGlucose and oxygen
4. DEthanol and carbon dioxide

Which statement correctly compares DNA replication and transcription?

1. AReplication copies all the DNA; transcription copies one gene
2. BBoth use thymine and deoxyribose in the new strand
3. CBoth take place on ribosomes in the cytoplasm
4. DReplication makes RNA from DNA; transcription makes DNA from RNA

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

1. AHomozygous dominant × heterozygous
2. BHeterozygous × homozygous recessive
3. CHeterozygous × heterozygous
4. DHomozygous dominant × homozygous recessive