Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which of these diseases is caused by a virus?

1. ATuberculosis
2. BMalaria
3. CInfluenza
4. DAthlete's foot

What is a sister chromatid?

1. AOne of two identical copies of a chromosome joined at the centromere
2. BA small ring of DNA found in bacteria
3. CA chromosome that is inherited from the mother only, never the father
4. DOne of the two sex chromosomes

What are the three parts of a nucleotide?

1. AA glycerol, a phosphate and a fatty acid
2. BA phosphate, a sugar and a nitrogen base
3. CAn amino group, a sugar and a fatty acid
4. DA carboxyl group, a base and a lipid

Transkripsiyon sırasında ne olur?

1. ADNA'dan bir genin mRNA kopyası yapılır
2. BAmino asitler ribozomda birleştirilir
3. CBölünmeden önce DNA molekülünün tamamı kopyalanır
4. DBir mRNA mesajından protein yapılır

White blood cells called macrophages engulf and digest bacteria. Which organelle would you expect them to have in large numbers?

1. ASmooth endoplasmic reticulum
2. BChloroplasts
3. CLysosomes
4. DCentral vacuoles

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey store most of the plant's water for dry periods
2. BThey get the most light and do most of the photosynthesis
3. CThey carry sugars from the leaves down to the roots
4. DThey protect the leaf from insects and strong winds

Substrata şekil olarak benzeyen bir molekül bir enzimin aktif bölgesine bağlanıyor ve tepkimeyi yavaşlatıyor. Etkisi nasıl azaltılabilir?

1. AÇok daha fazla substrat ekleyerek
2. BSubstrat miktarını azaltarak
3. CDaha fazla inhibitör ekleyerek
4. DTepkimeden tüm suyu uzaklaştırarak

Which parent's gamete decides the biological sex of a human baby, and why?

1. AThe mother's, because she gives two X chromosomes
2. BThe mother's, because an egg carries either an X or a Y
3. CBoth equally, because each gives one Y chromosome
4. DThe father's, because a sperm carries either an X or a Y