The chordate notochord is a dorsal longitudinal rod composed of cartilage

____________________ Indicate whether the statement is true or false.


T

Biology & Microbiology

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Five two-point crosses involving the four linked genes A, B, C, and D were performed in yeast with the following results:

AB × ab: 41% AB 39% ab 9% Ab 11% aB AC × ac: 45% AC 48% ac 4% Ac 4% aC BC × bc: 44% BC 44% bc 6% Bc 6% bC AD × ad: 48% AD 46% ad 3% Ad 3% aD BD × bd: 37% BD 37% bd 12% bD 13% Bd Which is the best map for these four genes? A. B 6mu A 4mu C 3mu D B. B 12mu C 8mu A 6mu D C. D 3mu A 4mu C 6mu B D. A 4mu C 6mu B 12mu D E. The data suggest that the genes are not linked.

Biology & Microbiology

Vaccines using inactivated pathogens do not stimulate cell-mediated immunity as effectively as vaccines using attenuated pathogens.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The tocotransducer should be placed

a. Over the suprapubic area b. in the fundal area c. Over the area of the fetus' back d. Inside the uterus

Biology & Microbiology

The first vertebrates to be able to reproduce on land were the 

A. amphibians. B. insects. C. reptiles. D. mammals.

Biology & Microbiology