You are isolating cell fractions using a variety of centrifuge techniques. You have two very similar fractions but at this point are unable to discern which fraction is peroxisomes and which is lysosomes. As a result, you need to test the fractions for unique enzyme activities. If you are looking for peroxisomes, one enzyme activity you can test for is

A) hexokinase.
B) ATPase.
C) glucose-6-phosphatase.
D) cytochrome c oxidase.
E) catalase.


E) catalase.

Biology & Microbiology

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The primary function of the integument of an ovule is to _____

A) protect against animal predation B) ensure double fertilization C) form a seed coat D) direct development of the endosperm E) produce hormones that ensure successful pollination

Biology & Microbiology

The Reference Method for Broth Dilution Antifungal Susceptibility Testing of Filamentous Fungi; Approved Standard (M38-A2) describes the guidelines for antifungal susceptibility test-ing for molds. The suspension must be standardized with a spectrophotometer. Susceptibility testing is determined by which method?

a. Disk diffusion b. Microdilution c. Broth dilution d. Immunodiffusion

Biology & Microbiology

The amphibian heart consists of two atria and two ventricle(s)

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

During metaphase I of meiosis, homologous chromosomes can orient themselves such that one or the other will by chance go to a particular daughter cell in a process known as ________.

What will be an ideal response?

Biology & Microbiology