ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

Which elements make up carbohydrates?

1. ACarbon, nitrogen and sulfur
2. BCarbon, hydrogen and nitrogen
3. CCarbon, hydrogen and oxygen
4. DHydrogen, oxygen and phosphorus

What is activation energy?

1. AThe energy plants take in from sunlight
2. BThe energy stored in a molecule of ATP
3. CThe energy needed to start a chemical reaction
4. DThe heat released when a reaction finishes

What is a trait that is controlled by many genes called?

1. AA sex-linked trait
2. BA recessive trait
3. CA codominant trait
4. DA polygenic trait

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor marrow contains antibiotics that kill cancer
2. BThe transplant replaces the patient's bones
3. CThe donor red cells divide to make more red cells
4. DThe donor stem cells produce new, healthy blood cells

Which is the correct way to write the scientific name of the gut bacterium?

1. AEscherichia coli
2. BEscherichia Coli
3. CEscherichia Coli
4. Dcoli Escherichia

In which part of the chloroplast do the light-dependent reactions happen?

1. AIn the outer membrane
2. BIn the thylakoid membranes
3. CIn the cell wall
4. DIn the stroma

Potato cylinders are placed in sugar solutions of different strengths. They gain mass in weak solutions, lose mass in strong ones and show no change at 0,3 mol/L. What can be concluded?

1. AThe potato cells contain no water at all
2. BThe potato cells have a solute concentration of about 0,3 mol/L
3. CSugar enters the cells only by active transport, not by diffusion
4. DPotato cells are always hypertonic to sugar solutions

يقرأ خيط DNA القالب 3'-TACGGA-5'. ما mRNA المصنوع منه؟

1. A5'-ATGCCT-3'
2. B5'-AUGCCU-3'
3. C5'-TACGGA-3'
4. D5'-UACGGA-3'