Answer: 2.proteins
Explanation:
Proteins are the important biomolecules. These are called as the building blocks of life. Proteins have many biological roles in the body of the organisms. These function to transport substances across the cell membranes, keep the genetic material in the organized state and facilitate the movement of the entire cell.
Proteins are the components of the enzymes and the hormones. The protein called as hemoglobin is responsible for transport oxygen to the red blood cells.
Answer:
"low bone density"
Explanation:
It is a disease that weakens bones, and if you have it, you are at a greater risk for sudden and unexpected bone fractures. Osteoporosis means that you have less bone mass and strength, so our answer is low bone density.
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- Heather
Answer:
False
Explanation:
A cardio-respiratory endurance activity, or aerobic exercise, should help you build up stamina to be able to do a physical activity for longer. It helps you train your body, lungs, and heart to use oxygen more efficiently.
Some examples are distance running, swimming, brisk walking and cycling.
A short, 25 yard sprint won't help you build up endurance, because it only lasts for 25 yards. It is an example of an anaerobic exercise, which is when you preform an exercise with maximum effort for a short period of time.
Therefore, this is false, a short sprint is not an example of a cardio-respiratory endurance activity.
<h2>Answer </h2>
A virus consisting of a single strand of RNA, which is transcribed into complementary DNA, is a RNA replication virus.
<u>Explanation </u>
It is the RNA replication virus that is transcribed into complementary DNA. The RNA replication is a process in which the doubling of single strands taking place the RNA is transcribed into the complementary DNA. There are three stages of RNA replication which are an initiation, chain elongation, and termination. There are three types of RNA involved in protein synthesis which are mRNA, rRNA, and tRNA.
