A pathogen is always

a. a bacterium

b. a protist

c. a disease-causing agent

d. a virus

Which of the following is correctly paired with its function? a) sensory somatic nervous system-controls skeletal muscles b) autonomic nervous system - creates voluntary response to stimuli c) parasympathetic nervous system - controls body response

Process by which sediment is removed from its source

Some mutations can disable genes. what might be the result of such a mutation within the lac i regulatory region of the lac operon?

Develop an investigation and describe the data that will be collected to test how changes in an external environment can impact the internal conditions of a living system. Use background knowledge and textual evidence to support your answer (s).

What is the Function of DNA and RNA?

18. When does a population experience logistic growth? O A. When it reaches the carrying capacity O B. When natural predators are introduced to the population O C. When it has access to unlimited resources O D. When there's primary succession

Describe the details you're able to see When viewing specimens with a scanning electron microscope in the microscope activity

The large lymphatic organ that filters blood and destroys bacteria is the

Many enzymes require metal ions as cofactors due to the inherent properties of the metal ion. Metal ions, when bound to water, will favor the formation of hydroxide ion, which is a strong nucleophile.

What is a vestigial structure? A. A structure that has no use in the organism B. A structure with similar shape but a different use C. A structure that is only in index fossils D. A structure that contains isotopes! apex!