No, dinosaurs did not exist in the pre-cambrian period
Answer:
here
Explanation:
There will be the nitrogenous bases (adenosine, cytosine, guanine, thymine), held in complementary pairs (A T, C G) by hydrogen bonds. Weak van der Waal's forces exists between the 'rungs'.
<span>The answer would be: Respirations of 10/min and loss of patellar reflexes
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Magnesium sulphate is the drug used for preeclampsia but it was dangerous because it could depress the nervous system. The disrupted nervous system could appear as loss of patellar reflex or paralysis of the muscle of respiratory.
In case of toxicity, the antidote(calcium gluconate) should be administered.
Membrane proteins can serve a variety of key functions:
Junctions – Serve to connect and join two cells together.
Enzymes – Fixing to membranes localises metabolic pathways.
Transport – Responsible for facilitated diffusion and active transport.
Recognition – May function as markers for cellular identification.
Answer:
Relative age is the age of a rock layer (or the fossils it contains) compared to other layers. ... Absolute age is the numeric age of a layer of rocks or fossils. Absolute age can be determined by using radiometric dating.
