Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

A solution has a pH of 3. How is it described?

1. AIsotonic
2. BAcidic
3. CNeutral
4. DBasic

Suatu organisme memiliki genotipe Bb. Bagaimana genotipe itu disebut?

1. AHaploid
2. BHeterozigot
3. CHomozigot resesif
4. DHomozigot dominan

Apa yang benar tentang alel dominan?

1. ASelalu diwariskan dari ibu
2. BEfeknya tampak hanya bila ada dua salinan
3. CTidak pernah muncul pada fenotipe
4. DEfeknya tampak bila hanya ada satu salinan

How can bacteria pass antibiotic-resistance genes directly to other bacteria?

1. ABy meiosis, forming gametes with new alleles
2. BBy osmosis, moving genes in water
3. CBy conjugation, transferring plasmids through a pilus
4. DBy mitosis, sharing copies of their chromosomes with neighbours

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe time the experiment started
2. BThe controlled variable
3. CThe independent variable
4. DThe dependent variable

Why do many plants close their stomata on hot, dry days?

1. ATo take in more carbon dioxide
2. BTo reduce water loss
3. CTo release more oxygen
4. DTo speed up photosynthesis

Di mana kromosom utama bakteri ditemukan, dan DNA tambahan apa yang mungkin dibawanya?

1. ADi nukleoid, dengan plasmid kecil
2. BDi dinding sel, dengan gen RNA
3. CDi ribosom, dengan kromosom tambahan
4. DDi nukleus, dengan DNA mitokondria

Mature human red blood cells have no nucleus and no mitochondria. What follows from this?

1. AThey cannot divide and make their ATP by glycolysis only
2. BThey keep making new haemoglobin throughout their life
3. CThey make ATP by aerobic respiration using the oxygen they carry
4. DThey live longer than almost all other body cells