Answer:
The upper region of the body veins carries blood that has no oxygen to the heart through superior vena cava and the lower part of the blood with no oxygen will transfer to the heart with the help of superior vena cava.
In Right hand:
At first, blood in the palmar region or distal end of the arm deoxygenated blood from this side will go to the following manner -
right ulnar vein - to the right Axillary vein - to the right subclavian vein - Right internal jugular vein - right brachiocephalic vein and finally it reaches the superior vena cava of the heart.
The same pathway will take place on the left side of the upper region of the body.
Answer:
Edwin Hubble discovered that the universe was expanding. he used his known 100 inch telescope to discover that our milky way was one of many galaxies. that these galaxies are part of an ever expanding universe. This discovery changed the way we and scientists look at the universe
Answer:
Some alleles are dominant, and some alleles are recessive. Which is the best example of a hypothesis leading to new experimental methods? Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies. Scientists often use fruit flies as a method to test hypotheses about human genes.
Hope that Helps
A chromosome can be found in a molecules (which is in a cell).A chromosome is like a thread and it carries a living things genetic info.<span />
Answer:
Adenine pairs with Thymine or Uracil, Cytosine pairs with Gaunine
Explanation:
In DNA it's Adenine and Thymine but once DNA is transferred to RNA during transcription, Thymine turns into Uracil. Cytosine and Gaunine stay the same throughout the process.