Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Ko neturi prokariotinės ląstelės, pavyzdžiui, bakterijos?

1. ALąstelės membranos
2. BGenetinės medžiagos DNR pavidalu
3. CRibosomų
4. DMembrana apgaubto branduolio

What is a heterotroph?

1. AAn organism with no cells
2. BAn organism that lives only in water
3. CAn organism that gets its food from other organisms
4. DAn organism that makes its own food by photosynthesis

What is an organism's genotype?

1. AThe number of cells in its body
2. BThe alleles it carries for a trait
3. CThe traits that can be seen or measured
4. DThe environment in which it lives

Kokie yra aerobinio ląstelinio kvėpavimo produktai?

1. AGliukozė ir deguonis
2. BKrakmolas ir vanduo
3. CPieno rūgštis ir deguonis
4. DAnglies dioksidas, vanduo ir ATP

What is a chromosomal translocation?

1. AA piece of one chromosome attaches to a non-matching chromosome
2. BA piece of a chromosome is flipped around in place
3. CA piece of a chromosome is copied twice and stays in the same place
4. DOne DNA base is replaced by another base

A cell has a nucleus and mitochondria but no cell wall and no chloroplasts. What kind of cell is it most likely to be?

1. AAn animal cell
2. BA fungal cell
3. CA plant cell
4. DA bacterial cell

Two parents are both AaBbCc, and the three genes assort independently. What is the probability that a child is aabbcc?

1. A1/8
2. B3/64
3. C1/64
4. D1/16

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