ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What do centrioles do in an animal cell?

1. AThey store the cell's digestive enzymes until they are needed
2. BThey make lipids for the cell membrane
3. CThey help organise the spindle during cell division
4. DThey capture light for photosynthesis

What is a karyotype?

1. AA picture of a cell's chromosomes arranged in pairs by size
2. BA diagram of a family's inheritance pattern
3. CA map of the organelles inside a cell
4. DA list of all the proteins that a cell makes during its life

Where in the cell does glycolysis take place?

1. AIn the cytoplasm
2. BIn the nucleus
3. CIn the chloroplast
4. DIn the mitochondrial matrix

ما الطفرة؟

1. Aالنسخ الطبيعي لـ DNA قبل الانقسام
2. Bاقتران الصبغيات المتماثلة
3. Cتغيّر في تتابع قواعد DNA
4. Dتغيّر في عدد الخلايا في نسيج

Which element is found in all amino acids but not in carbohydrates?

1. AOxygen
2. BNitrogen
3. CHydrogen
4. DCarbon

أي رابطة تربط الأحماض الأمينية معًا في البروتين؟

1. Aالرابطة الهيدروجينية بين القواعد
2. Bالرابطة الإسترية
3. Cالرابطة الغليكوسيدية
4. Dالرابطة الببتيدية

A patient breathes very slowly, so carbon dioxide builds up in the blood. What happens to the blood pH, and why?

1. AIt falls, because CO₂ forms carbonic acid in the blood
2. BIt rises, because CO₂ is a base
3. CIt stays the same, because CO₂ does not dissolve in blood
4. DIt rises, because CO₂ removes hydrogen ions

A single-celled microbe has a nucleus and a cell wall made of chitin, and it reproduces by budding. What is it most likely to be?

1. AA yeast
2. BAn amoeba
3. CA virus
4. DA bacterium