Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

Jakie substancje powstają w fotosyntezie?

1. AKwas mlekowy i ATP
2. BDwutlenek węgla i woda
3. CGlukoza i tlen
4. DBiałko i azot

What is a monomer?

1. AAn enzyme that breaks down polymers
2. BA molecule that contains no carbon
3. CA very large molecule that is made of many smaller units
4. DA small unit that joins with others to form a polymer

Które komórki powstają u człowieka w wyniku mejozy?

1. ACzerwone krwinki w szpiku kostnym
2. BKomórki skóry
3. CKomórki wątroby
4. DKomórki jajowe i plemniki

Which statement about identical and non-identical twins is correct?

1. ANon-identical twins come from one zygote that splits in two
2. BIdentical twins come from one zygote; non-identical twins come from two
3. CIdentical twins come from two eggs that are fertilised by a single sperm
4. DBoth kinds of twin always share all of their genes

Dlaczego ślepota barw czerwono-zielonych jest częstsza u mężczyzn niż u kobiet?

1. AKobiety nie mogą odziedziczyć allelu po ojcach
2. BMężczyźni mają jeden chromosom X, więc wystarczy jeden allel
3. CAllel znajduje się na chromosomie Y
4. DAllel jest dominujący u mężczyzn i recesywny u kobiet

Nearly all cells in a person's body contain the same DNA. Why do nerve cells and muscle cells look and work so differently?

1. ADifferent genes are switched on in each type of cell
2. BMuscle cells have extra DNA from mitochondria
3. CEach cell type has a different set of chromosomes
4. DNerve cells have lost the genes for muscle proteins

A solution contains 5 mg of a substance in every millilitre. How many milligrams are in 0,02 L of the solution?

1. A10 mg
2. B0,1 mg
3. C1000 mg
4. D100 mg

Kidney tubule cells move glucose from the filtrate back into the blood, even when there is less glucose in the filtrate than in the cells. What does this show?

1. AGlucose is moved by osmosis
2. BGlucose is moved by active transport
3. CGlucose is moved by simple diffusion
4. DGlucose moves only down its gradient