2. which structures in the diagram above connects the umbilical vein with the vena cava and connects the pulmonary artery with the aorta?

a: a, the ductus arteriosus; d the ductus venosus
b: b, the ductus arteriosus; d the ductus venosus
c: b, the ductus venosus; d the ductus arteriosus
d: a, the ductus venosus; d the ductus arteriosus

First problem: for each of the following sequences, fill in the mrna sequence, the amino acid sequences, and the rrna anticodonsthat have been left blank. a) dna: atácga aatcgcgatcgcggcgattoggb) mrna: ? c)codon: ? d)anticodon: ? e)amino acids: ? second problem: see abovea) dna: titaoggccatgaggga a tagtig gillarib)mrna: ? c) codon: ? d)anticodon: ? e) amino acids: ? third problem: see abovea) dna: tacgggcctat acgctactactca tgsatcggb) mrna: ? c)codon: ? d)anticodon: ? e)amino acids: ?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.