These re actually 2 questions, since I only have 10 points, Exam 1.03 Biology How do the hypothesis of microspheres and the RNA World hypothesis build off of each other?
AMicrospheres were important for storing and releasing energy for surrounding organisms that contained RNA.
B Nonorganic molecules self-replicated within the early microspheres, similar to the way cells divide.
C Replicating RNA molecules transformed into DNA within the microspheres.
DWhen microspheres split, the genetic coding in self-replicating RNA would pass to the newly formed microspheres.
Organic molecules are sometimes found within meteorites that crash into Earth. Which meteorite condition in space is similar to what most likely was present in Earth's early atmosphere?
A abudance of oxygen
B very cold temperatures
C presence of inorganic molecules
D Low levels of ultraviolet radiation
Answers: 2
Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 β 2 β 3 b) 2 β 3 β 1 c) 2 β 1 β 3 d) 3 β 2 β 1 e) 3 β 1 β 2
Answers: 1
Biology, 22.06.2019 00:50
Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems
Answers: 3
Biology, 22.06.2019 02:00
Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .
Answers: 3
These re actually 2 questions, since I only have 10 points, Exam 1.03 Biology How do the hypothesis...
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