_____ tissues are sheetlike with one free surface

a. Epithelial c. Nervous
b. Connective d. Muscle


A

Biology & Microbiology

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If both parents are homozygous for a disease-causing recessive gene, ____________________ of their children will be affected

Fill in the blank(s) with correct word

Biology & Microbiology

What are the characteristics of hemoglobin? Check all that apply.

_____ It is a large protein. _____ It has four subunits. _____ It binds four O2 molecules cooperatively. _____ O2 is bound to the heme group that contains an iron atom. _____ It has an O2 binding group that includes a copper atom.

Biology & Microbiology

Imagine that a cell contains a genetic mutation in the gene encoding the primase enzyme, rendering it unable to

synthesize RNA strands. Assuming that all of the other enzymes directly involved in DNA replication are still functional in these cells, how much of the DNA replication process would you expect to see in these cells?

a. The leading strand would be synthesized, but not the lagging strand. b. No part of the DNA replication process could occur. c. The DNA helix would be unwound by helicase, but no new strands will be produced. d. Both the leading and lagging strand would be synthesized, but pieces of discontinuous strands would not be joined together. e. DNA replication would still proceed completely since RNA strands are not part of the final product of DNA replication.

Biology & Microbiology

While driving down the interstate at rush hour, you get cut off by an 18-wheeler and have to slam on the brakes. In addition to a major case of road rage, you also develop a rapid heart rate and breathing rate

What caused this increase? (Indicate the branch of the nervous system and neurotransmitters.) What is happening to your digestion at this point?

Biology & Microbiology