Glucose will pass through a cell membrane with the aid of what? lipids, carbohydrates, or proteins

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.

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

If your blood becomes too concentrated with iona, what will happen to the red blood cells