Biology, 08.12.2020 19:00 Jefferson09
Reading: Sickle cell disease is a disorder that affects the red blood cells, which use a protein called hemoglobin to transport oxygen from the lungs to the rest of the body. Normal red blood cells are round and flexible so they can travel freely through the narrow blood vessels and carry oxygen around the body. Patients with sickle cell disease have a mutation in a gene on chromosome 11 that codes for the hemoglobin protein. As a result, hemoglobin molecules don't form properly, causing red blood cells to be rigid and have a concave shape (like a sickle used to cut wheat). These irregularly shaped cells get stuck in the blood vessels and are unable to transport oxygen effectively, causing pain and damage to the organs. Question #1: How does sickle-disease affect your red blood cells shape and function?
Answers: 1
Biology, 22.06.2019 08:00
Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.
Answers: 3
Biology, 22.06.2019 13:00
Pulmonary arteries carry highly oxygenated blood. true or false?
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Biology, 22.06.2019 16:00
Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down
Answers: 1
Reading: Sickle cell disease is a disorder that affects the red blood cells, which use a protein cal...
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