The answer to the question mentioned above is "Synaptic Cleft".
The region composed of a presynaptic cell, its target cell and the space between them is a Synaptic Cell. This cell exists between the neurons and this is a microscopic gap.
Answer:
I. evolved from ancestors that walked
Explanation:
Whales and pythons have vestigial structures, which are structures (hind legs) which are no longer useful to them since they have evolved. The ancestors of the whale and python did use the hind legs but over generations the whale and snake have adapted to new environments and they no longer need them.
You've forgotten to attach the thing you need help with.
Answer:
A)legumes
Explanation:
A legume is a group of plants which belongs to the family Fabaceae. These plants can be characterised by having root nodules in their roots especially which are the house of the nitrogen-fixing bacteria.
The legumes are known for their seeds and fruits which are very rich in protein and low carbohydrates so they are commercially grown by the farmers.
In the give question, since the given bean plants belongs to the family Fabaceae which are very rich in protein therefore legumes is the correct answer.
Answer:
c. A chromosomal mutation can change the total number of chromosomes in the cell.
Explanation:
A gene mutation affects a single gene, and replication error is the main cause of gene mutation. A chromosomal mutation affects one part of chromosome or full chromosome. error in meiosis is the main cause of chromosomal mutation. Both mutations are responsible for a change in DNA. A chromosomal mutation leads to the change in total number of chromosomes in the cell.