Biology, 04.04.2020 16:35, lilquongohard
A mutation that inserts or deletes one or two nucleotides is usually more harmful than a mutation that substitutes one base for another because -
A It changes one amino acid in the sequence of a protein
B it shifts the reading frame for the rest of the code causing many errors
C The codon consists of three nucleotides coding for an amino acid
D the chromosomes fail to separate resulting in trisomy 21
Answers: 3
Biology, 21.06.2019 20:00, rydro6019
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2
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Biology, 22.06.2019 08:00, animexcartoons209
Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.
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Biology, 22.06.2019 10:50, crosales102
Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b. passive c. facilitated d. active b. passive
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Biology, 22.06.2019 12:10, Paigex3
Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species
Answers: 1
A mutation that inserts or deletes one or two nucleotides is usually more harmful than a mutation th...
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