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 glycerol and three fatty acids
3. COne amino acid and three fatty acids
4. DTwo glycerols and one fatty acid

كائن نمطه الجيني Bb. كيف يوصف؟

1. Aنقي متنحٍّ
2. Bأحادي المجموعة الصبغية
3. Cنقي سائد
4. Dخليط الأليلات (متباين الزيجوت)

What does ATP stand for?

1. AAdenosine diphosphate
2. BAdenine tetraphosphate
3. CAdenosine triphosphate
4. DAmino triphosphate

What is the role of cholesterol in animal cell membranes?

1. AIt keeps membrane fluidity stable as temperature changes
2. BIt forms a rigid wall around the cell
3. CIt stores the cell's genetic information
4. DIt carries glucose molecules across the membrane into the cell

A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?

1. ACross it with a TT plant
2. BCross it with another tall plant
3. CLet it grow for a longer time
4. DCross it with a short (tt) plant

ما الطفرة؟

1. Aاقتران الصبغيات المتماثلة
2. Bتغيّر في عدد الخلايا في نسيج
3. Cتغيّر في تتابع قواعد DNA
4. Dالنسخ الطبيعي لـ DNA قبل الانقسام

Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?

1. AFlies form from rotting meat, and then they lay eggs on fresh meat
2. BMaggots come from eggs laid by flies, not from the meat itself
3. CMeat turns into maggots when exposed to air
4. DGauze produces chemicals that stop meat from rotting

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

1. AHer red cells may become Rh positive after the birth
2. BThe second baby will be unable to make any red cells
3. CShe may have made anti-D antibodies that cross the placenta
4. DThe first baby's antibodies remain in her blood and attack her