Answer:
Chemically altered nucleosides derived from canonical ribo-or deoxyribonucleoside-derivatives of adenosine, cytosine, guanosine, and uridine or thymidine are found in all types of nucleic acids, DNA and RNA. They are particularly abundant in noncoding RNAs, such as transfer RNAs and ribosomal RNA of higher organisms. By increasing the structural diversity of nucleic acids, modified nucleosides play important roles in gene expression and in regulating many aspects of RNA functions. They also contribute to nucleic acid stability and to protection of genetic materials against virus aggression. In this chapter we present a historical overview of the discovery, occurrence, and diversity of the many naturally occurring modified nucleosides that are present in both DNA and RNA of diverse organisms. We also briefly describe the different enzymes that accomplish these nucleic acid ‘decorations’. More information about the structure, function, biosynthesis and evolutionary aspects of selected modified nucleosides in DNA and RNA and their corresponding modification enzymes can be found elsewhere in this volume.
Explanation:
hope this helps!
anwser:
- one allele from mother, one allele from father
- yes, this means the mother's alleles are dominant
Explanation
"The amount of alleles that a baby Guinea pig inherit from the mother are two , 1 from its mother and 1 from its father.
ie: if its mother had a dominant black fur (BB) and its father has recessive grey fur (bb) , there is 100% chance that the baby will has a Bb genotype, which will give them either black fur or dark grey fur."
Yes, the mother likely has several dominant alleles that manifested as a heterozygous genotype in the baby, giving it a phenotype largely similar to its mother.
Answer:
"My child sleeps between 11 and 12 hours a night."
Explanation:
Sleep is extremely important for the child as it is during sleep that complex neurophysiological processes occur that determine the production of substances eg growth hormone that stimulates the development of muscle mass, promotes bone stretching, decreased fat accumulation , improves physical performance and activates the immune system.
Sleep time may vary with age, personality and family dynamics. But in general, children from 1 to 3 years sleep between 12 and 14 hours daily, the afternoon sleep between 1 and 2 hours. Between 3 and 5 years is 11 to 12 hours daily. By age 4 most children no longer sleep during the day. From 6 to 12 years old, children are of school age and it is recommended that they sleep between 10 and 11 hours.
Answer:
d.
Faces Pain ScaleRevised (FPS-R)
Explanation:
children react better to pictures showing how they feel
