Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What are restriction enzymes?

1. AEnzymes that join amino acids into proteins
2. BEnzymes that digest fats in the intestine
3. CEnzymes that cut DNA at specific base sequences
4. DEnzymes that copy RNA into DNA

Which element is found in all organic molecules?

1. ANitrogen
2. BCarbon
3. CPhosphorus
4. DSulfur

What does gel electrophoresis separate?

1. ACells by their shape
2. BBlood into plasma and cells
3. CChromosomes by their colour
4. DDNA fragments by size

Kırmızı-yeşil renk körlüğü erkeklerde neden kadınlardan daha yaygındır?

1. AKadınlar bu aleli babalarından kalıtamaz
2. BErkeklerde tek X kromozomu vardır, bu yüzden tek alel yeterlidir
3. CAlel Y kromozomu üzerinde taşınır
4. DAlel erkeklerde baskın, kadınlarda çekiniktir

Where does the oxygen released by photosynthesis come from?

1. AFrom water molecules that are split
2. BFrom carbon dioxide molecules that are split
3. CFrom chlorophyll that is used up
4. DFrom glucose that is broken down

Which polymer is correctly matched with its monomer?

1. AGlycogen and fatty acid
2. BDNA and amino acid
3. CStarch and glucose
4. DProtein and nucleotide

A plant is kept in the dark to use up its starch. One leaf is then sealed in a bag with a chemical that absorbs CO₂, and the plant is placed in light. Later, that leaf has no starch, but the other leaves do. What does this show?

1. AChlorophyll is needed for photosynthesis
2. BOxygen is needed for photosynthesis
3. CCarbon dioxide is needed for photosynthesis
4. DLight is needed for photosynthesis

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AZ is most effective, because no bacteria grew under the disc
2. BX is most effective, and the bacteria are resistant to Y
3. CY is most effective, and the bacteria are resistant to Z
4. DAll three are equally effective against these bacteria