Which two properties are used to define matter a has mass and conducts heat b has buoyancy and volume c has mass and takes up space d conducts energy and has characteristic properties

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.