In a cow's udder, milk

A. contains Lactococcus.
B. contains Lactobacillus.
C. is acidic.
D. is sterile.


D. is sterile.

Biology & Microbiology

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Which of the following statements describes a eukaryotic chromosome?

A) a single strand of DNA B) a series of nucleosomes wrapped around two DNA molecules C) a chromosome with different numbers of genes in different cell types of an organism D) a single linear molecule of double-stranded DNA plus proteins

Biology & Microbiology

The mesoderm is responsible for the formation of all

of the following organ systems EXCEPT the a. reproductive system. b. circulatory system. c. nervous system. d. muscle system. e. excretory system.

Biology & Microbiology

Which of the following is NOT a factor involved in

the concept of climate? a. wind speed b. humidity c. temperature d. soil composition e. cloud cover

Biology & Microbiology

The maximum number of individuals a habitat can support is called its

A) reproductive potential. B) carrying capacity. C) community size. D) density-dependent factor.

Biology & Microbiology