"an advantage of gas exchange in fresh water, compared with gas exchange in air, is that water loss through evaporation across the respiratory surface can be minimized." The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
Answer:
Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis.
Explanation:
Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis.
The upper surface of the fern leaves known as fronds are shiny as a result of
the production of a waxy cuticle.
<h3>What is a Fern? </h3>
A fern is a type of vascular plant which doesn't produce flowers and
reproduces with the aid of spores. Ferns are mostly found in shaded areas
and have a characteristic shiny surface.
The shiny surface is however as a result of the production of waxy cuticles
by the epidermis of the leaves. The waxy cuticle helps to prevent the plant
from water loss.
Read more about Ferns here brainly.com/question/18530534
Answer:
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Explanation:
Answer:The Ozone Hole. One billion years ago, early aquatic organisms called blue-green algae began using energy from the Sun to split molecules of H2O and CO2 and recombine them into organic compounds and molecular oxygen (O2). ... As oxygen in the atmosphere increased, CO2 decreased.