Enceladus, one of Saturn's moons of only
about 314 miles in diameter hides in its entrails an ocean of liquid water that
is rich in organic molecules, making it one of the places where it is most
likely to find some form of extraterrestrial life.
Europa is a strange
shaped moon of Jupiter with a large number of intersecting lines. Models
from the interior of Europe show that under a thin crust of 5 km (3 miles) of
water ice, Europa can have oceans with 50 km (30 miles) of depth or more. The
visible marks of Europa could be the result of a global expansion where the
crust could have been fractured, filled with water and frozen.
The answer is false. <em>Topographical</em> maps show elevation on the Earth's surface.
Answer: D. Surgical removal of a gland.
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Answer:
Protein: 3. This folded amino acid chain is genetically encoded and performs specific functions in the cell.
DNA: 1. This series of nucleotides encodes proteins.
Chromatin: 4. This substance is made up of fibers that are formed in the nucleus by supercoiling genetic material.
Histones: 2. These proteins regulate transcription and modifications of genetic material.
Answer:
Saliva lubricates and moistens these food particles
Explanation:
As teeth help to break down large pieces of food into lots of smaller pieces, saliva is released and mixes with the smaller food pieces. Saliva lubricates and moistens these food particles such that a ball-like mixture of food and saliva that is known as a bolus is formed, which can then be easily swallowed.
