Answer:
Instrumental learning
Explanation:
Associative learning is a form of learning which is performed when two or more events or stimuli controls the learning behaviour. The instrumental learning is a type of learning in which the learning process is associated with the consequence or result of the action.
In the given question, the mouse learns how to step on the lever as a result of the received food in the form of reward or he learned because he received the treatment, therefore, this act of learning will be considered the instrumental learning.
Thus, Instrumental learning is correct.
The synovial joints are the joints found in the human body that allow movement of the body parts. These joints have cavity that are filled with synovial fluid. There are six different types of synovial joints.
The first carpometalcarpal joints are example of saddle joints. The carpometacarpal joint is formed between carpal bone and first metacarpal bone of the thumb.
Answer:
Mutation rates increase substantially in cells defective in DNA mismatch repair or in homologous recombinational repair (HRR). Chromosomal rearrangements and aneuploidy also increase in HRR defective cells. Higher levels of DNA damage not only cause increased mutation, but also cause increased epimutation.
It is maybe because the alpha helixsecundary structure) characterized by intramolecular hydrogen bonds between amino acid residues and on the other hand, the beta sheet is composed of extended chains with hydrogen bonds between adjacent chains (between residues from two distinct strands).
Many proteins contain both alpha helices and beta sheets, but some contain just one type of secondary structure.
The lac operon is a negatively controlled inducible operon, where the inducer molecule is allolactose. See attached pic and other diagrams of the operon they really help:)