Answer:
A pesar de algunas observaciones tempranas de bacterias y células, el microscopio impactó otras ciencias, especialmente la botánica y la zoología, más que la medicina. Importantes mejoras técnicas en la década de 1830 y posteriormente corregir la mala óptica, transformando el microscopio en un poderoso instrumento para ver los microorganismos causantes de enfermedades.
Explanation:
I think what is indicated when, in spite of being injected with a pathogen isolated from a sick animal, another animal remains healthy; is that the animal could be immune to that particular pathogen or may be the pathogen was not pathogenic. A pathogen is an agent that causes a disease;;according to Koch postulates when isolated pathogen is injected into a healthy animal, animals must develop disease, which if the disease is not developed, then the pathogen is not pathogenic or may be the animal is immune.
A little more context would be helpful, but in general Gram Staining helps us to decipher between two major groups of bacteria (Gram positive and Gram Negative). This is helpful because different antibiotics must be used to treat infections from the different types of bacteria, so it will help them to properly medicate Anna.
Answer:
D. POSSESS MORE ROUNDED GRAINS THAN BRECCIA.
Explanation:
Breccia are sedimentary rocks that are made up of large angular fragments while conglomerate are also clastic sedimentary rocks with rounded particules. These two rocks have particles larger than two millimeters in diameter and the primary difference is in the shape of particules.
Answer:
diploid
Explanation:
So humans have two homologous chromosome sets in each cell, meaning humans are diploid organisms.