Homework Will Never End

1.Why is salt a good preservative to use for foods such as pork and fish? (Concept 27.1) Prokaryotic cells will shrink from their cell walls, impacting their ability to reproduce. 2.Gram-negative bacteria have _____ peptidoglycan than gram-positive cells, and their cell walls are _____ complex structurally. (Concept 27.1)less ... more 3.A gram-negative cell wall consists of _____. (Concept 27.1) a thin layer of peptidoglycan surrounded by an outer membrane  4.Which statement about prokaryotic fimbriae and pili is not true? (Concept 27.1) They are more similar in structure to eukaryotic flagella than they are similar to prokaryotic flagella. 5.What is the role of the basal apparatus in a prokaryotic cell? (Concept 27.1) It is a system of rings in the cell wall that power the flagellum. 6.Bacteria that _____ tend to have abundant internal membranes. (Concept 27.1)are phototosynthetic  7.Which one of the following is not used to identify different kinds of bacter

abortion- The termination of a pregnancy in progress. asexual reproduction - A type of reproduction involving only one parent that produces genetically identical offspring by budding or by the division of a single cell or the entire organism into two or more parts. assisted reproductive technology - Fertilization procedures that generally involve the surgical removal of eggs (secondary oocytes) from a woman’s ovaries following hormonal stimulation, fertilizing the eggs, and returning them to the woman’s body. baculum- A bone that is contained in, and helps stiffen, the penis of rodents, raccoons, walruses, whales, and several other mammals. barrier methods- Contraception that relies on a physical barrier to block the passage of sperm. Examples include condoms and diaphragms. bartholins gland- Glands near the vaginal opening in a human female that secrete lubricating fluid during sexual arousal. birth control pill- Chemical contraceptives that inhibit ovulation, retard

abdominal cavity- The body cavity in mammals that primarily houses parts of the digestive, excretory, and reproductive systems. It is separated from the more cranial thoracic cavity by the diaphragm. acclimatization- Physiological adjustment to a change in an environmental factor. anatomy- The study of the structure of an organism. basal metabolic rate- The minimal number of kilocalories a resting animal requires to fuel itself for a given time. bioenergetics- The flow of energy through an animal, taking into account the energy stored in the food it consumes, the energy used for basic functions, activity, growth, reproduction, and regulation, and the energy lost to the environment as heat or in waste. brown fat- A special tissue in some mammals, located in the neck and between the shoulders, that is specialized for rapid heat production. collagenous fibers- A tough fiber of the extracellular matrix. Collagenous fibers are made of collagen and are nonelastic and do not