alluvial fans
Explanation:
An alluvial fan is an example of a land feature formed by river erosion.
River erosion is the activity of water removing weathered materials from loose rock surfaces.
- An alluvial fan usually forms in an area where a stream flows outward from a hill or mountain down to the valley floor,
- It is usually fan shaped with finger-like projections outwards.
- Close the hill, we have coarse particles like boulders.
- The sequence fans outward as the river loses its erosisive power.
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Answer:
10 codons
Explanation:
During gene expression, the order of the nucleotide sequence in the DNA determines the order of the nucleotide sequence in the mRNA (transcription). Transcription, which is the first stage of gene expression, involves the synthesis of a mRNA molecule using a DNA template. The nucleotide sequence of a DNA molecule is used to produce the nucleotide sequence in a single stranded mRNA molecule.
During translation, which is the second stage of gene expression, the mRNA sequence is read in a group of three (3) nucleotides called CODON. This means three successive nucleotide bases in the mRNA sequence represents one CODON. Each codon specifies a particular amino acid.
However, if an Insertion mutation (addition of one or more nucleotide bases) occur in the DNA sequence that is transcibed into a mRNA sequence leaving 31 nucleotides in the DNA sequence, a maximum of 10 codons will be produced by this sequence.
If 3 nucleotides represent 1 codon
31 nucleotides will represent 31/3 = 10 codons remaining 1 nucleotide
Hence, the maximum codon that can be produced by a DNA sequence of 31 nucleotides is 10.
Most synapses in our body uses the acetyl choline neurotransmitter.
The correct answer is A and D AgBr and KNO3