#Question id: 2107
#Unit 2. Cellular Organization
All the following statements describe biomembranes except:
#Question id: 17809
#Unit 8. Inheritance Biology
#Question id: 10650
#Unit 10. Ecological Principles
Following some characteristic feature of K selected species
A. semelparity
B. Mate choice
C. Density independent mortality
D. large size of offspring
What is the above combination is correct?
#Question id: 4955
#Unit 11. Evolution and Behavior
If relatively small carbonaceous chondrites from space were a significant source of Earthʹs original amino acids, then which two of these would have been most important in permitting their organic materials to survive impact with Earth?
I. Carbonaceous chondrites must contain no D-amino acids.
II. Earthʹs early atmosphere must have had little free oxygen.
III. The chondrites must have arrived on Earth before 4.2 billion years ago.
IV. Earthʹs early atmosphere must have been dense enough to dramatically slow the chondrites before they impacted.
V. The chondrites must have impacted land, rather than a large body of water.
#Question id: 29024
#Unit 11. Evolution and Behavior