As a result of calcium pumps, calcium concentrations are typically higher outside cells than in the cytosol

Indicate whether the statement is true or false.


ANSWER: True

Biology & Microbiology

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The hierarchical nature of cellular structure is accurately illustrated in which of the following lists of substances (from smallest to largest)?

A) nucleotides, chromosome, DNA, nucleus, cell B) cellulose, glucose, cell wall, cell C) nucleotides, nucleus, DNA, chromosome, cell D) nucleotides, DNA, chromosome, nucleus, cell E) protein, membrane, amino acids, chloroplast, cell

Biology & Microbiology

Within cells, DNA molecules are wrapped around ____ proteins to form ____ fiber, which condenses into __ during cell replication.

A. histone, chromosome, chromatin B. chromosome, chromatin, histones C. histone, chromatin, chromosomes D. chromosome, histone, chromatin

Biology & Microbiology

A young man presents with severe respiratory distress. He is conscious, but confused, and smells of freshly cut grass. Auscultation of his breath sounds reveals coarse crackles in all lung fields, and he is coughing up copious secretions. This patient's clinical presentation is MOST consistent with exposure to:

A) chlorine. B) phosgene. C) V agent. D) soman or tabun.

Biology & Microbiology

In contrast to leading strand synthesis, the lagging strand is synthesized 3' to 5', which is why it is slower

Indicate whether the statement is true or false

Biology & Microbiology