1. Atrium
2. Ventricle
3.left ventricle
4. they pump blood throughout the body
5.superior vena cava
6. Pulmonary vein
7.Four heart valves control the flow of blood through the heart. They act as one-way doors, opening to let blood exit or enter a chamber, then closing to keep blood from flowing backward.
Answer:
Chromatin is responsible for gene expression.
Explanation:
Chromatin is responsible for gene expression because chromatin contains DNA that has all information about genes. chromatin controls the gene in order to form encoded products. DNA in chromatin send information to the RNA to produce specific types of proteins that are needed by the organisms for its growth and development so in that way the genes can be expressed in the organism.
Answer:
Okay, from what i understand, you should make a column with the kind of snake, and another one with Mortality percentage from the venom of those snake's bites.
Use the numbers to guide yourself... for example
Kind of Snake I Mortality Percentage
(1)southern United States copperhead I (1) less than 1%
Hydrolysis is when a polymer (such as a peptide bond or fatty acid) is split into smaller segments by adding water.
