Answer:
A) & B)
Explanation:
A) There are certain viruses that are present in both healthy and disease people.
Example: Polio virus is found in many human but it causes disesease in only 1% of human.
B) Viruses require host machinery for replication so they may not replicate in pure culture.
The postulate C is also violated, the virus may not produce disease in non-human experimental host because of inappropriate animal or vaccinated animal etc. Others exception includes, the same disease may be caused by various organisms and different organisms can also cause the same disease.
Answer:
C.In the absence of oxygen, creatine phosphate can drive aerobic respiration pathways for a few minutes.
Explanation:
C. In the absence of oxygen, creatine phosphate can drive aerobic respiration pathways for a few minutes.
This statement not true for a following reasons.
Firstly, creatine phosphate directly phosphorylates ATP instead of providing any support for aerobic pathways.
Secondly, creatine phosphate stores are used up in about 15 seconds only. Thirdly, a cell does not need oxygen deficit for creatine phosphate to be activated, it just needs to be short on ATP.
Http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072434/
There is a website with some info. Hope it helps! :)
When alleles are recombined during sexual reproduction, they can produce dramatically different phenotypes. Thus, sexual reproduction is a major source of variation within many population. Asexual<span> production is when there is one parent that produces offspring that are identical to the parent. Basically a copy of the parents DNA.
Your answer in short is B
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Tropical climate is a region of the earth surrounding the equator. When the earth is exposed to light from the sun it is right over the equator and up 23 degrees of latitude Tropic of Cancer in the northern hemisphere and Tropic of Capricorn in the southern hemisphere
