Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the main job of the nucleolus?

1. AIt digests worn-out parts of the cell
2. BIt releases energy from glucose for the nucleus
3. CIt makes ribosomal RNA and builds ribosome parts
4. DIt stores water and salts for the nucleus

What are cilia?

1. ASmall round sacs that hold digestive enzymes
2. BFolds of the inner mitochondrial membrane that make ATP
3. COpenings in the nuclear envelope
4. DShort hair-like projections that beat in waves

Pada DNA, adenin selalu berpasangan dengan basa apa?

1. AUrasil
2. BSitosin
3. CTimin
4. DGuanin

What is an inversion mutation?

1. AA segment of a chromosome moves to a different, non-matching chromosome
2. BA whole extra chromosome is added to the cell
3. CA chromosome segment breaks off and is reattached the wrong way round
4. DA segment of a chromosome is lost completely

Apa yang terjadi selama transkripsi?

1. ASalinan mRNA dari suatu gen dibuat dari DNA
2. BProtein dibangun dari pesan mRNA
3. CAsam amino dihubungkan di ribosom
4. DSeluruh molekul DNA disalin sebelum pembelahan

Which statement about Archaea is correct?

1. AThey are prokaryotes, and many live in extreme environments
2. BThey are eukaryotes that have a nucleus and membrane-bound organelles
3. CThey are multicellular plants
4. DThey are a type of virus

Plasmids with an ampicillin-resistance gene are mixed with bacteria, which are then spread on a plate containing ampicillin. Why do only a few colonies grow?

1. AAll the bacteria die, and the colonies are fungi
2. BThe plasmid kills the bacteria that do not grow
3. CAmpicillin makes some bacteria take up the plasmid
4. DOnly the bacteria that took up the plasmid can survive

Why can O-negative red blood cells be given to patients of almost any blood type in an emergency?

1. AThey carry no A, B or RhD antigens
2. BThey carry all of the A, B and RhD antigens
3. CThey have no haemoglobin to react with
4. DTheir plasma contains anti-A and anti-B antibodies