Answer:
1. a 2. d 3. b
Explanation:
1. Changes in the atmosphere causes changes in the hydrosphere which affects the biosphere.
2. Hydrosphere, geosphere, atmosphere
3. Melting glacier provides fresh water for plants and animals.
I say its B. This is because ribosomes are proteins. RNA is creates a sysntesis of proteins by the help of a ribosomes. So ribesomes helps create proteins in our bodies.
Phylogenetic trees always show increased branching, representing increased diversity over time.
Explanation:
A new branch in phylogenetic trees appears when new species appear, meaning that diversity increases. The appearing of new branches can show speciation processes and it can also help to understand how a certain lineage evolved through time or the specific divergence in one point.
One is more active, the other is more passive
Answer A)
The gene would not be transcribed. This is because the gene transcribing machinery would not be activated if the promoter sequence is not recognized. Transcription will not start.
Answer B)
The gene would not be transcribed. This will result in no RNA polymerase being formed. Hence, transcription and translation will not occur.
Answer C)
The mRNA would contain intron sequences, which would be translated into extra amino acids in the protein. A non- functional protein would be made.