Answer:
The Laura tried to grow micro-organisms in culture broth medium in Petri-plates but the microbial growth was not observed even on the fourth day of culture which could be due to:
1. Laura could have not provided the correct broth medium maintaining the with pH and salt concentrations.
2. Microorganisms did not get optimal growth conditions.
3. The bacterial source could have died after the collection which could have lysed after their death and thus no longer visible.
A monhybrid cross is the inheritance of a single character and dihybrid cross is the inheritance of two difference character.
Answer:
Humanitarianism, compassion, and idealism
Explanation:
90 is a number of Humanitarianism, compassion, and idealism the numerology number 90 is a number of humanitarianism, compassion, and idealism. it is a number of philanthropy and tolerance.
Answer:
By using sequence information from covalently attached nucleotides.
Explanation:
TRNA presents an anticodon sequence to required sites as a physical bridge with elongation factors (proteins) to form a connection between mRNA and ribosome and encode amino acids to ultimately form specific protein structure. tRNA carries out this activity by using sequence information from covalently attached nucleotides.
Answer:
D
Explanation:
The trout are disappearing from the river because of the thermal water pollution, which is causing the high water temperatures.