Two c atoms form a double bond. each c is bound to two h atoms. which statement is true?
a_the bonds orient like tripods or pyramids.
b_all the atoms lie in a line.
c_the bonds orient in a tetrahedral fashion.
d_all the atoms lie in a plane.
e_the groups rotate around the c=c bond.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Dna replication or repair occurs in a cell in all of thw following situations except when

In sweet pea, gene c is responsible for color production and gene p is responsible for the purple color pigment. both of them are located on two different loci on different chromosomes. the flowers will be purple only when the plant has the genotypes as c_p_. no color will be produced with genotypes: ccpp, ccpp, ccpp, ccpp. thus, gene c controls the expression of gene p. what pattern of inheritance is exhibited here? a. pleiotropy b. epistasis c. multiple alleles