Fish, reptiles, birds, and mammals have very similar embryos with gill slits and tales, but all but fish get rid of the gills as they mature
Acetylcholine is the neurotransmitter important for muscle contraction as it binds to receptors on the membranes of muscles and cause the membranes to open channels for movement of calcium and sodium ions
If Janelle wants to prove her hypothesis using the scientific process, what she should do next is to run an experiment because once the individual has undergone to a scientific process and she has stated her hypothesis, the individual should start running her experiment in means of testing her hypothesis that will help her in distinguishing whether her hypothesis is correct or not.
Answer:
Genetic information is bundled into packages of DNA known as chromosomes.
Explanation:
Chromosomes can be described as thread-like structures made up of genes. A genes can be described as a hereditary molecule which is made up of a segment of DNA. Hence, a chromosome contains genetic information packaged into bundles of DNA.
The number of chromosomes vary for each organism. For example, the number of chromosomes in each somatic cell of the human body is 46. These chromosomes occur in the form of homologous pars.