Answer:
d. The carbon atoms came from carbon dioxide and were incorporated into sugars through photosynthesis in the grass.
Explanation:
Grass eating cows are heterotrophs and can not synthesize the organic sugars by themselves. They derive it from grasses they eat.
Grasses are the autotrophs that can fix atmospheric carbon dioxide into glucose in the presence of sunlight by the process of photosynthesis. The extra glucose formed during photosynthesis is stored in the cells of grasses in the form of starch and becomes a source of carbon for herbivores such as cows.
Explanation:
A nerve cell or "neuron" is different because it has a more specialized structure of communication using synapses, axons, dendrites and chemicals that allow it to use an electrochemical communication method via neurotransmitters.
However, like "general cells" they too have membranes, nucleus etc
Answer:
Option A, habits . . . environment
Explanation:
Good sleep hygiene include all the measures taken to enhance the quality and environment of a bedroom and to ensure a peaceful and calm sleep. Thus, in this way the environment of the bed room is enhanced along with assurance that good sleep habits are followed.
Sleep hygiene can help one to work on certain sleep habits such as –
a) Maintain consistency to go to bed
b) Do exercise
c) Peaceful and cherishing environment of bedroom.
Therefore, option B is correct
<h2>Protein sequence</h2>
Explanation:
- The given sequence is of coding strand(5'-3' direction)
5’-ATGTTGAAAATGCCGTAGAGGC-3’
- Protein is made up of mRNA and mRNA has the same sequence as coding strand(only T is replaced by U) so the sequence of mRNA will be:
5’-AUGUUGAAAAUGCCGUAGAGGC-3’
According to the genetic code,3 bases code for one nucleotide and further nucleotide codes for amino acid,amino acids forms the base for protein
- AUG codes for Methionine(Met)
- UUG codes for Leucine(Leu)
- AAA codes for Lysine(Lys)
- AUG codes for Methionine(Met)
- CCG codes for Proline(Pro)
- UAG codes for stop codon(Stop)
Once the stop codon comes protein synthesis will be stopped,so the final protein sequence will be:
Met-Leu-Lys-Met-Pro-Stop
