In the lineage of plants, the transitions below have occurred. What is the correct order of these transitions? A. engulfing of cyanobacterium B. engulfing of bacteria C. fusion of an archaea and bacteria
a. A, B, C
b. B, C, A
c. C, A, B
d. C, B, A
e. A, C, B
D
You might also like to view...
Humans differ from each other by 1 in 1000 to 1 in 5000 nucleotides, while chimpanzees differ from each other by 1 in 500 nucleotides. This suggests that _____
a. humans are a younger species b. humans are an older species c. humans descended directly from chimpanzees d. chimpanzees descended directly from humans e. chimpanzees and humans have identical proteomes
The understanding of the significance of a stimulus is ____
a. threshold b. sensation c. transduction d. perception e. action potential
In the lac operon, if lactose is present, which of the following occurs?
A. Lactose bind to RNA polymerase, which then binds to the promoter and transcribes the needed genes. B. Lactose binds to the repressor, changing its shape so that it does not bind to the operator. RNA polymerase then transcribes the needed genes. C. Lactose binds to the operon, which attracts RNA polymerase, then transcription of the needed genes occurs. D. Lactose binds to the repressor, changing its shape so that it can bind to the operator and the structural genes are not expressed.
The ________ are an important and often overlooked group of organisms that release nutrients into the soil or water
A) decomposers B) heterotrophs C) producers D) autotrophs E) tertiary consumers