ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

Which of these diseases is caused by a virus?

1. AAthlete's foot
2. BInfluenza
3. CTuberculosis
4. DMalaria

What is the correct order of levels of organisation, from smallest to largest?

1. ATissue, cell, organ, organism, organ system
2. BCell, organ, tissue, organism, organ system
3. COrgan, tissue, cell, organ system, organism
4. DCell, tissue, organ, organ system, organism

What does DNA replication produce?

1. AFour different DNA molecules
2. BTwo identical DNA molecules
3. CA new protein
4. DOne mRNA molecule

Nearly all cells in a person's body contain the same DNA. Why do nerve cells and muscle cells look and work so differently?

1. ADifferent genes are switched on in each type of cell
2. BEach cell type has a different set of chromosomes
3. CMuscle cells have extra DNA from mitochondria
4. DNerve cells have lost the genes for muscle proteins

متى يحدث العبور الوراثي بين الصبغيات المتماثلة؟

1. Aفي الطور النهائي II من الانقسام الاختزالي
2. Bفي الطور التمهيدي I من الانقسام الاختزالي
3. Cفي الطور S من الطور البيني
4. Dفي الطور الانفصالي من الانقسام المتساوي

Why can small nonpolar molecules cross the cell membrane easily while ions cannot?

1. AThe bilayer's core is made of hydrophobic tails
2. BThe membrane is made mostly of long carbohydrate chains
3. CThe membrane carries a strong positive charge
4. DIons are larger than most membrane proteins

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%

At 100× total magnification, the field of view of a microscope is 2 mm wide. What is its width at 400×?

1. A2 mm
2. B0,5 mm
3. C0,2 mm
4. D8 mm