Answer:b
Explanation: b is correct
Answer:
b
Explanation:
It is a fossil of sea shells
Answer:
Asking students to wash their hands on routine basis and also to keep the area clean.
Explanation:
Hand sanitization is very important and hence considered as a primary step to control infection. Students should wash their hands on routine basis. Also, they should keep the area clean.
Answer:Eurasian
fault block
1 cm
Lesser
Block mountains form along fault blocks. Tension in a fault block can cause horsts in the fault block to tip. The horst edges point upward, forming a range of exposed mountains.
Explanation:
The answer is operon. These set of genes are transcribed together because they share a single promoter and operator. Therefore they are transcribed into one mRNA and translated together. These genes are, therefore, expressed together at all times. Examples are the tryptophan and lac operons of Escherichia coli