Just took the quick check 100%!! Lets keep it 100.
1. B (Blood flows through a system of blood vessels and throughout the body)
2.C (I<span>n blood vessels and sinuses)
3.B (</span><span>Oysters do not move around, but squid are very active)
4.D (</span><span>It is difficult for single pump to force blood through the entire system of a large animal)
5.A (</span><span>Exchanging carbon dioxide for oxygen from the air)</span>
Answer:
a. a strong hypersensitive response.
b. a high diversity of R proteins.
Explanation:
Hypersenstive response is an immediate defense system in plants because they don't have direct immune system. During an event of pathogen invasion, plant produces reactive radicals (reactive oxygen species, reactive nitrogen species, hydrogen peroxides) to kill the invading pathogen. Therefore, it should be included in the selection of tomato varities against novel biotrophic pathogen as a main criteria.
Further, R proteins are produced by R-genes (resistant genes) that is a defense line in plants against pathogens. Typically, it is known as a Pathogen-Associated Molecular Pattern or PAMP. The presence of r-genes in tomato varieties would help produce enzymes (r-proteins) that will kill or minimize the invador/infection. Hence, it should also be included as a main criterion for the selection of tomato varieties.
The anatomy of the bone is what it is made up of; the physiology is how it is used by the body.
Because Taq polymerase came from a thermophilic bacterium known as Thermus aquaticus found in Yellowstone National park, during PCR they should be kept at a specific temperature of 72C for maximum DNA strand replication and range of 75C-80C for optimum DNA strand replication.
A protein that is part of the synaptonemal complex (SC)