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basic education REPUBLIC OF SOUTH AFRICA Barredo SENIOR CERTIFICATEI NATIONAL BENIOR CERTIFICATE GRADE 12 ..bawaooo...! LIFE SCIENCES P1 NOVEMBER 2020 MARKS: 150 TIME: 24 hours
In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent. about 85% of fish caught is used for human consumption. the remainder is converted into fishmeal and fish oil.
Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods
Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases