Introns are parts of genes that do not directly code for proteins. (2)
Exons are parts of DNA that are converted into mature messenger RNA (mRNA). (6) The process by which DNA is used as a template to create mRNA is called transcription.
Answer:
oceanic plate going down: subduction
theory of crustal structure: plate tectonics
fjord: drowned glaciated valley
isostasy: buoyancy
deepest ocean depths: trench
tonsils are large lymphatic nodules h are located in the walls of the pharynx
The texture of a rock is determined by 3 components of the grain: size, shape and pattern.
The rock in your image (although not very clear in your picture) seems to have very large grains as opposed to several coarse grains. Furthermore, the pattern on the rock is uniformly colored and non-banded.
Thus, from what I can discern in the image, the statements that best describe the rock would be:
The grains in this rock are very large and
The rock has a non-banded pattern.
Humans have 23 matching homologous pairs. Each diploid pair has both the father's and mother's genes inserted, and in total individually add up to 46 chromosomes.