Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

How many millilitres are in one litre?

1. A10
2. B1000
3. C10 000
4. D100

Apa itu fenotipe?

1. APasangan alel yang dibawa organisme untuk suatu gen
2. BJumlah kromosom dalam gamet
3. CSifat yang dapat diamati, seperti warna mata
4. DUrutan basa dalam gen

What is a pedigree in genetics?

1. AA list of all the genes in an organism
2. BA table of codons and amino acids
3. CA picture of a person's chromosomes arranged in pairs by size
4. DA chart that shows how a trait is inherited in a family

Why does PCR use a DNA polymerase taken from bacteria that live in hot springs?

1. AIt survives the high temperatures used to separate the strands
2. BIt works only in the dark, like the bacteria it comes from
3. CIt makes the DNA strands stick together
4. DIt copies RNA as well as DNA

What is the role of ribosomal RNA (rRNA)?

1. AIt brings single amino acids to the ribosome
2. BIt carries the code from DNA to the ribosome
3. CIt stores genetic information in the nucleus
4. DIt forms part of the ribosome and helps join amino acids

Why is water good at dissolving salts and sugars?

1. AIt contains carbon atoms
2. BIts molecules are nonpolar
3. CIts molecules are polar
4. DIt has a very low boiling point

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

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

The number of bacteria in a sample rises from 200 to 500. What is the percentage increase?

1. A250%
2. B150%
3. C300%
4. D60%