ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What are the parts of a triglyceride (a fat molecule)?

1. AThree glucose units and one phosphate
2. BOne amino acid and three fatty acids
3. COne glycerol and three fatty acids
4. DTwo glycerols and one fatty acid

What is a sister chromatid?

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

What is peer review?

1. AExperts checking a study before it is published
2. BReading a textbook to learn a topic
3. CAsking patients for their opinion of a treatment
4. DRepeating your own experiment many times

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 protect the leaf from insects and strong winds
3. CThey carry sugars from the leaves down to the roots
4. DThey get the most light and do most of the photosynthesis

لُقّح أبوان خليطا الأليلات (Aa × Aa) والأليل A سائد سيادة تامة. ما نسبة الأنماط الظاهرية المتوقعة؟

1. A3 سائد : 1 متنحٍّ
2. B1 سائد : 1 متنحٍّ
3. Cالكل سائد
4. D1 سائد : 2 وسطي : 1 متنحٍّ

لماذا توقف درجة الحرارة المرتفعة جدًا عمل معظم الإنزيمات؟

1. Aيتحرك الإنزيم ببطء شديد فلا يلاقي المادة المتفاعلة
2. Bيتمسخ الإنزيم: يتغير شكل موقعه النشط
3. Cتتحول المادة المتفاعلة إلى إنزيم مختلف
4. Dتجعل الحرارة الإنزيم ينقسم فورًا إلى أحماض أمينية

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

A cell is 0,00002 m wide. Which value is equal to this width?

1. A20 µm
2. B200 µm
3. C0,2 mm
4. D2 µm