Answer:
The culture might not be stained properly or the culture might be too old.
Explanation:
Gram staining is done to differentiate between gram-positive and gram-negative bacteria according to the difference in their cell wall. In gram staining, the gram-positive bacteria appears violet and gram-negative bacteria appear pink in color.
Therefore if a pure culture contains have both red and purple cocci that it can be concluded that the gram stating was not done properly like too much destaining was done or too much safranin was used or maybe the culture is too old so that cell wall of some bacteria degrades.
Answer:
a control
Explanation:
you need something to compare it to to see if anything happens
Answer:
Deletion
Explanation:
ATGCCATG<u>G</u>CATTGA
-->
ATGCCATGCATTGA
Comparing the two sequences, you can see that one G nucleotide is missing in the new sequence compared to the original.
This is a single nucleotide deletion, where one nucleotide is lost from the sequence. Otherwise, the sequence is entirely unchanged.
answer : Arrows are used to show the feeding relationship between the animals. The arrow points from the organism being eaten to the organism that eats it. For example, an arrow from a plant to a grasshopper shows that the grasshopper eats the leaves.er:
Explanation:
Bees wouldn't have a job anymore.
If they cant pollinate, plants can't reproduce, will die and eventually all humans die.
