ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

ماذا ينتج عن الانقسام المتساوي (الميتوزي)؟

1. Aخليتان بعدد الصبغيات نصف المعتاد
2. Bخليتان بنتان متطابقتان وراثيًا
3. Cأربع خلايا بنات مختلفة وراثيًا
4. Dخلية واحدة بضعف عدد الصبغيات

What is a pathogen?

1. AA harmless microbe living on the skin
2. BA microorganism or agent that causes disease
3. CA medicine that kills bacteria
4. DA cell of the immune system that fights infection

ما الجين؟

1. Aبروتين ينسخ DNA قبل انقسام الخلية
2. Bمقطع من DNA يشفّر لناتج مثل البروتين
3. Cنوع من الخلايا يحمل الصفات الوراثية
4. Dالمجموعة الكاملة لكل صبغيات الخلية

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

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

ما الذي يعطي الشبكة الإندوبلازمية الخشنة مظهرها "الخشن"؟

1. Aالبلاستيدات الخضراء داخل أغشيتها
2. Bالقطيرات الدهنية المخزَّنة على سطحها
3. Cالجسيمات الحالّة المندمجة بجانبها الخارجي
4. Dالريبوسومات المرتبطة بسطحها

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. APhagocytosis
2. BExocytosis
3. COsmosis
4. DEndocytosis

Two parents who both have a genetic condition have a child who does not. Assuming a single gene, what inheritance pattern does this show?

1. AAutosomal dominant, with both parents heterozygous
2. BAutosomal recessive, with both parents heterozygous
3. CAutosomal recessive, with both parents homozygous
4. DX-linked recessive, with the father as a carrier

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. BGauze produces chemicals that stop meat from rotting
3. CMaggots come from eggs laid by flies, not from the meat itself
4. DMeat turns into maggots when exposed to air