Silica walls are characteristic of

A. diatoms.

B. slime molds.

C. euglenoids.

D. red algae.

E. brown algae.


A. diatoms.

Biology & Microbiology

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Children born with ____________________ have genital structures that are neither fully male nor fully female

Fill in the blank(s) with correct word

Biology & Microbiology

According to the chromosome theory of inheritance, ____

a. genes on chromosomes always assort independently b. paternal chromosomes determine the offspring’s phenotype c. maternal chromosomes determine the offspring’s phenotype d. genes and their alleles are carried on chromosomes e. genes are carried on chromosomes and alleles are the product of gene expression

Biology & Microbiology

The most common form of muscular dystrophy in adults is

a. myotonic. b. fascioscapulohumeral. c. Becker. d. myoclonic. e. Duchenne.

Biology & Microbiology

Bacterial and eukaryotic cells primarily control gene expression at the level of transcription. If instead cells exerted control of gene expression primarily at the post-translational level, what would be different?

A) The ability to rapidly respond to environmental change would be reduced. B) Cells would expend significantly more energy. C) Genes would no longer be transcribed. D) Translation of mRNA into protein would not occur.

Biology & Microbiology