Answer:
B) mitochondria and chloroplasts
Explanation:
Possible contaminate will be Proteus or Salmonella. To differentiate the two genera urease test can be accomplished. However, urease test, Proteus will produce a positive test result.
This test can be done to determine the ability of an organism to split urea. The principle of urease test is that urea is the product of decarboxylation of amino acid. Splitting of urea via hydrolysis will produce ammnonia and CO2. The CO2 produce allows the formation of bubbles.
2. a bacterium
A. Capsule
B. Cell Wall or Cytoplasmic membrane
C. Ribosomes
D. Pili
E. Nucleiod
F. Flagella
3. C. coccus (circular shape)
Answer:
Los sistemas sensoriales son conjuntos de órganos altamente especializados que permiten a los organismos captar una amplia gama de señales provenientes del medio ambiente. ... Esas señales son transportadas por vías nerviosas específicas (haces de axones) para cada modalidad sensorial hasta los centros nerviosos.
