Answer:A man with pku marries a woman without any alleles for pku.There is little possibility that a child will inherit PKU
<u>Explanation: </u>
PKU Is Phenylketonuria results in less metabolism of amino acid. It might lead to a mental disorder or behavior problems. It is mostly Genetic.
If only one parent is suffering from it then there is little possibility that it will pass on to a child but if both the parents are having the problem of PKU then there are more chances that the child will also develop such a problem. It can be treated if we catch it at an early stage.
Answer:
The correct answer is - The neuron's intracellular charge must get more positive to meet a certain thresh hold in order to depolarize. If the neuron does not hit that threshold, then the neuron will not fire
Explanation:
In neuroscience, the depolarization of neurons shows the all or none law which is also called as all or nothing response. It states that all action potentials have the same size and the potential or strength of a nerve cell does not depend on the stimulus strength as all are the same size.
If a stimulus reaches a particular threshold cell or fiber will fire so either it will fire or not cross the threshold this is all or nothing response or law and depolarization is an example of it.
The scales or outer layer of an artichoke are called bracts
Answer:
False.
Explanation:
Three domains of life are bacteria, eukarya and archaea. The prokaryotic organisms are involved in the bacteria and archaea. Eukaryotic organisms are included in the domain eukarya.
The archaea are more similar to eukarya than bacteria. The cell walls of the archaea are made of glycerol-ether lipids. The phospholipids of archaea are built on a backbone of sn-glycerol-1-phosphate. Archaea lacks the peptidoglycan layer in its cell wall.
Thus, the answer is false.
