Answers: 2
Biology, 21.06.2019 22:00
The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.
Answers: 1
Biology, 21.06.2019 22:20
Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria
Answers: 1
Biology, 21.06.2019 23:00
The tasmanian devil, a marsupial carnivore, is facing extinction due to devil facial tumor disease (dftd) which causes bulging cancerous lumps and lesions to erupt around the face and neck β often causing enough deformation to make seeing or eating difficult. dftd has evolved into a contagious cancer, a trait that is unique among cancers. devil mating behavior involves biting around the head and neck, allowing cells from one individual β especially cells from the crumbly dftd tumors β to be transferred to the wounds or face of a new individual. this marsupial was once found across australia, but sea levels rose, isolating the tasmanian population, while the australian population went extinct. what would be an outcome of genetic isolation that is likely to have impacted the spread of dftd? a) reduced territory puts diseased individuals in greater contact with non-diseased ones. b) inbreeding results in less variation in facial features so the cancer is generally fatal. c) genetic isolation has made it difficult for scientists to develop a vaccine against dftd. d) the lack of genetic variation in the immune system of tasmanian devils minimizes resistance to the disease.
Answers: 3
Biology, 22.06.2019 09:30
What type of plant is good for a bioassay and where can i buy it? i only have a month.
Answers: 2
Why is cellular respiration important?...
Mathematics, 06.01.2021 18:00
Mathematics, 06.01.2021 18:00
Chemistry, 06.01.2021 18:00
Social Studies, 06.01.2021 18:00
Physics, 06.01.2021 18:00
Mathematics, 06.01.2021 18:00
Mathematics, 06.01.2021 18:00
Mathematics, 06.01.2021 18:00
Mathematics, 06.01.2021 18:00
World Languages, 06.01.2021 18:00
Mathematics, 06.01.2021 18:00
Chemistry, 06.01.2021 18:00
Biology, 06.01.2021 18:00