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Once entry into the cell is achieved, some of these hormones bind with specific receptorproteins in the cytoplasm and then can move as a hormone-receptor complex to the nucleus.Water-soluble hormones can enter directly into cells because of their nonpolar status.Which of the following is not one of the components of the gastrointestinal tract?mouthlarynxesophagusstomachsmall intestinelarynxGizzards designed to grind food are found inmammals
insectsbirdsmarsupialsmonotrenesbirdsThe rhythmic contractions of the esophagus are calledesophageal contractionsesophageal convulsionsperistalsisheartburn sensationsmasticationperistalsisThe stomach producesHClpepsinogenpepsinpepsinogen and pepsinHCl, pepsinogen, and pepsinHCl, pepsinogen, and pepsinWhich of the following is not a heterotroph based on the type of food consumed?detritovoreherbivorecarnivoreomnivorevegandetritovore
In horses, rodents, and lagomorphs, the digestion of cellulose by microorganisms takes place in theduodenumreticulumcecumomasumabomasumcecumThe first organ to receive the products of digestion after absorption is theduodenumpancreaslivergallbladdercolonliverThe gallbladder secretes into the small intestine a fluid that can make the fat partially water soluble. It is calledchymebilechylomicronemulsionlipoproteinbileSince the hepatic portal vein empties into the liver it is able to control the amounts ofalcohol and drugstoxins, pesticides, carcinogensglucose
toxins, pesticides, carcinogens and glucosealcohol and drugs, toxins, pesticides, carcinogens, and glucosealcohol and drugs, toxins, pesticides, carcinogens, and glucoseThe human intestine is divided into three regions. Which choice presents the correct order beginning from the stomach?pylorus, duodenum, ileumduodenum, ileum, jejunumpylorus, duodenum, jejunumduodenum, ileum, pylorusduodenum, jejunum, ileumduodenum, jejunum, ileumSelect the mismatched vitamin and its deficiency symptom or disorder.vitamin A—night blindnessvitamin B1—beriberivitamin C—scurvyvitamin D—pernicious anemiavitamin K—severe bleedingvitamin D—pernicious anemia1. Which of these is not part of loose connective tissue?D. chondroiton2. Which of these neuron structures is usually the longest?A. cell body3. In adult vertebrates,which of these is not one of the four principle kinds of primary tissues?C. supportive4. In humans, which of these structures is not made of cartilage?D. knee cap5. Homeostasis is maintained using negative feedback loops. Changing conditions are detected in which of part of a negative feedback loop?C. sensor6. For most enzymes, the Q10 value is aroundB. 2.
7. Which of these methods of heat transfer is not relevant to biological systems?E. reflection8. Animals that allow their body temperature to conform to the environment are termedD. poikilotherms.