Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What does it mean that a cell membrane is selectively permeable?

1. AIt lets no substance cross at all
2. BIt lets only water molecules cross
3. CIt lets some substances cross but not others
4. DIt lets every substance cross freely in both directions

What is an organism's genotype?

1. AThe alleles it carries for a trait
2. BThe number of cells in its body
3. CThe traits that can be seen or measured
4. DThe environment in which it lives

Which type of microscope is needed to see a virus?

1. AA magnifying glass
2. BAn electron microscope
3. CA dissecting microscope
4. DA light microscope

Which DNA bases are purines?

1. ACytosine and guanine
2. BAdenine and thymine
3. CAdenine and guanine
4. DCytosine and thymine

Aktif taşımayı hangi ifade tanımlar?

1. AMaddeleri hiç enerji kullanmadan derişim farkı yönünde taşır
2. BYalnızca ölü hücrelerde gerçekleşir
3. CZardan yalnızca suyu geçirir
4. DMaddeleri derişim farkına karşı taşımak için enerji kullanır

What is a bacterial endospore?

1. AA hair-like structure used to swim towards food
2. BA tough, dormant form that survives heat, drying and many disinfectants
3. CA reproductive cell that bacteria use to make new colonies quickly
4. DA small ring of DNA that carries antibiotic resistance genes

Bir mRNA kodonu AUG olarak okunuyor. Eşleşen tRNA üzerindeki antikodon nedir?

1. AGUA
2. BAUG
3. CUAC
4. DTAC

Fertiliser washes from farmland into a lake. Algae grow rapidly, then die, and later many fish die. What is the main cause of the fish deaths?

1. AThe fertiliser is directly poisonous to fish
2. BThe fish eat too many algae and become ill
3. CThe algae release carbon dioxide that poisons fish
4. DBacteria decomposing the dead algae use up the oxygen