Biology, 16.02.2022 18:00 danielle4124
An increase in the level of carbon dioxide in the atmosphere would result in:
A. Planet-wide cooling because the carbon dioxide would block incoming solar
radiation
B. Planet-wide warming, because the carbon dioxide would absorb infrared (heat)
radiation from Earth
C. Localized warming, because the carbon dioxide would increase convection
Answers: 1
Biology, 21.06.2019 23:00
Neelaredoxin is a 15-kda protein that is a gene product common in anaerobic prokaryotes. it has superoxide-scavenging activity, and it is constitutively expressed. in addition, its expression is not further induced during its exposure to o2 or h2o2 (silva, g., et al. 2001. j. bacteriol. 183: 4413β4420). which of the following statements best describes neelaredoxin synthesis? a-neelaredoxin is produced at all times; levels are constant even when exposed to o2 or h2o2.b-neelaredoxin is produced at all times; exposure to o2 or h2o2 increases expression.c-neelaredoxin is produced at all times; exposure to o2 or h2o2 decreases or prevents expression.d-neelaredoxin is only produced when there is exposure to o2 or h2o2.
Answers: 3
Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
Answers: 1
Biology, 22.06.2019 13:30
Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.
Answers: 2
An increase in the level of carbon dioxide in the atmosphere would result in:
A. Planet-wide cooli...
Biology, 18.05.2021 18:30
Mathematics, 18.05.2021 18:30
English, 18.05.2021 18:30
English, 18.05.2021 18:30
Mathematics, 18.05.2021 18:30
Mathematics, 18.05.2021 18:30
Computers and Technology, 18.05.2021 18:30
Mathematics, 18.05.2021 18:30
English, 18.05.2021 18:30
English, 18.05.2021 18:30