Biology, 26.07.2019 14:30 dari122223
Normal cell division in the body depends on a precisely regulated set of events that determine when a cell will divide. two specific genes, proto-oncogenes and tumor-suppressor genes, are responsible for cell cycle regulation. when mutated, proto-oncogenes can become what scientists call stimulating excessive cell division. a. cytogenes b. oncogenes c. tumor genes d. anti-suppressor genes
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Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 22.06.2019 09:40
80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
Answers: 1
Biology, 22.06.2019 13:00
What is the role of dna ligase in the elongation of the lagging strand during dna replication?
Answers: 1
Biology, 22.06.2019 14:00
To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations
Answers: 1
Normal cell division in the body depends on a precisely regulated set of events that determine when...
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