An amoeba consists of a single cell and has a nucleus. what is an amoeba called? a. organelle b. muliticellar c. eukaryote d. prokaryote

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate