Welcome to your Random biology final
220. Which of the following hormones stimulates the maturation of reproductive structures in both male and female hummans?
137. A pair of homologous chromosomes is presented in the figure. During meiosis crossing over occurs and random segregation takes place. What genotypes are produced?
218. Vasopressin is synthesized in the hypothalamus. Where is it stored?
241. Which blood types can be found in children whose both parents have O blood groups?
252. The tissue that senses stimuli and transmits electrical signals to the brain and other parts of the body is known as:
275. A human cell that contains 22 autosomes and a X chromosome must be:
(1) a somatic cell of a femaleĀ
(2) a somatic cell of a male
(3) a sperm cellĀ
(4) an egg cell
249. Hypothalamus controls:
(1) body temperatureĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā (2) heart rate
(3) sleepĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā (4) muscle action
273. Which of the following is a function of the human kidney?
(1) production of blood cellsĀ (2) Excretion of glucose
(3) Excretion of toxinsĀ Ā (4) Regulation of sodium in the blood
146. In the pulmonary circuit, the (1) half of the heart pumps (2) blood to the alveoli of the lungs, and then (3) blood flows back to the heart.
144. Which one of the following statements concerning mammalian red blood cells is false?
233. Substances that recognize the antigens on forein microbes and act as tags that identify the invaders are called:
231. Which of the following statements is NOT true?
265. During the process of transcription, the information in:
150. Which blood cells do not have a nucleus?
242. What are the coding segments of a stretch of eukaryotic DNA called?
181. Nondisjunction during the second meiotic division will result in which of the following gametes?
216. The xpression "Rh negative" refers to:
209. As a result of meiosis the danghter cells (sperms of egs) carry:
195. Which is not correct? The cell cycle:
143. Which one is NOT a long bone?
240. In the cell cycle, which phase follows the S phase, or DNA replication?
256. Female hormones are produced by which of the following?
264. Which of the statement is true to the following diagram of the plasma membrane?
151. Translation undergoes the following stages
274. Which of the following organs is correctly paired with its function?
(1) Testes - produces testosterone, a male sex hormone
(2) prostate gland - produces progesterone, a male sex hormone
(3) seminal vesicles - maturation and storage of sperm
(4) Ovary - produces progesterone, a female sex hormone
167. DNA replication occurs in which phase of the eukaryotic cell cycle?
269. The primary role of a mitochondrion is:
245. Which of the following statements is not true
232. The following body functions are regulated by glands in the endocrine system, except:
159. Because the gene for hemophilia is located on the X-chromosome, it is normally impossible for a
222. Which of the following occurs in the first divisional sequence of meiosis
147. Which one best describes pancreas:
Correct answers to this question could be A and C
194. The function of miosis in intestinal jusices is to:
231. A nephron is a tiny structure in the kidneys that:
262. Various regions of the three embryonic germ layers in human embryo develop into organs and tissues in the adult. Which of the following is CORRECT?
(1) mesoderm - muscles and bonesĀ Ā Ā Ā Ā (2) ectoderm - eyes spinal cord
(3) endoderm - liver and ovaryĀ Ā Ā Ā Ā Ā Ā Ā (4) mesoderm - brain and heart
296. Complete dominance is when:
251. The ability of the human body to regulate the level of blood glucose is an example of:
214. Synapsis occurs during:
152. Regions of active gene transcription are found in:
200. The cardiovascular system is derived from:
295. A cell that is transformed by a virus
196. Each chromosome consists of two identical:
199. Pancreatic islets consists of alpha, beta, and delta cells, which secrete glucagon, insulin, and somiatosiatin, respectively. These cells are derived from:
223. At what stage of cell division does synapsis occur?
250. The diagram below is the human heart. The chamber labelled 3 is:
276. The alimentary canal consists of the:
282. Which of the following statements is NOT true?
170. All of the following are true EXCEPT
210. The mRNA codons are translated into an animo acid sequence by:
156. Which event occurs in meiosis but NOT in mitosis?
212. Which one of the following blood vessels carries deoxygenate blood in mammals?
189. Changes in the nucleotide sequence of DNA which are't passed to offsprings occur in
226. The direction of transfer of genetic information in most living things is:
193. Which of the following is true?
228. The nervous system is derived from:
229. All of the following proceses occur in the eukaryotic cell nucleus except:
192. In spermatogenesis the phase of maturation involves:
208. A 28-year-old woman labor is rushed to the hospital by her husband. It is quickly detrermined, she has a 3-year-old child who is Rh positive, and the father is Rh positive. Which of the following agents will most likely protect the baby from developing the disease?
157. Thirty percent (30%) of the nucleotide bases in a DNA molecule are adenine (A). What is the percentage of guanine (G) bases in this DNA molecule?
232. The cells of the cardiac conduction system have the ability to create their ownaction potentials, this is known as:
237. Which of the following store and transmit hereditary information?
285. The cell membrane is build up of:
255. In the lungs, gas exchange occurs in tiny one-celled air sacs called:
139. Skin color inheritance in man is an example of
235. A relationship between A and B alleles for the synthesis of antigens from ABO blood group is:
243. All of the following statements are false EXCEPT:
290. Why is surfactant in alveolar fluid important?
206. The monomers of proteins are:
191. Which of the following is the structural unit of the nervous system
173. The following diagram illustrates a change in a chromosome. It is an example for
201. All of the following actions occur in mitosis except:
188. What is the purpose of the trachea's cartilagenous rings?
278. The smooth muscle of digestive track pusches food forward in contractile waves called:
160. Primary protein structur
207. A 28-year-old woman labor is rushed to the hospital by her husband. It is quickly detrermined, she has a 3-year-old child who is Rh positive, and the father is Rh positive. The infant is most likely at risk for developing of:
281. What kind of cell work to consume bacteria and remove damaged tissue and debris?
184. A child is born with Down syndrom and an extra chromosome 21 is found in each of its cells. This condition is usually the result of
174. Which one is NOT a correct match
182. In Meiosis which of the following occurs?
268. A cell cycle consists of:
287. What is not correct? The cell cycle:
202. Cerlls that secrete product into the extracellular matrix, influencing other nearby cells without the product entering the circulation, are called
183. Down syndrom results from
267. Viruses can NOT infect:
260. During the process of translation, the information in:
288. An individual who has two of the same allele is said to be:
175. Chromosomal complement of a normal mature human oocyte is
292. Essential elements of the living cells are:
230. In the formation of the double spiral of DNA which bonds to which:
266. Which of the following is an anticodon?
246. The primary role of a lysosome is:
148. Identify urinary bladder in this diagram
253. Which of the following structures is/are involved in gas exchange in a developing fetus?
221. The rate of the human heartbeat is controlled by which of the following?
149. Which organ or tissue is not an integral part of the immune system?
238: All of the following statemnts are false Except:
236. Which of the following best describes the flow of information in eukaryotic cells?
154. When two kinds of organisms both use a resource that is in short supply, the usual end result is that
279. Water is conserved through the process of:
153. To an ecologist, an āInterbreeding group of individuals that occupies a specific geographic areaā is a (an)
291. All of the following bones are cranial bones, except:
145. Vasopressin is synthesized in the hypothalamus. Where is it store?
164. As a result of silent mutation
277. How is the air modified as it pases over the nasal mucosa?
190. Which is not correct:
233. How is modified as it passes over the nasal mucosa?
158. The following diagram illustrates a change in a chromosome. It is an example for
225. Pleiotropism describes:
270. In the cross AaBb x AaBb, what is the probability of producing the genotype aabb?
261. Some viruses are surounded by a membranous envelope which originates from the:
272. Which of the following enzymes act as oral cavity?
1. pepsinĀ Ā 2. trypsinĀ Ā 3. amylaseĀ Ā 4. maltase
162. During which phase of mitosis chromosomes become visible?
289. Postembrionic development consists of
155. Cellular respiration occurs in
142. The cardiovascular system is derived from
254. Which of the following organs is located beneath the diaphragm in the right upper quadrant of the abdominal cavity.
186. Postembrionic development consists of
172. A child is born with Down syndrome and an extra chromosome 21 is found in each of its cells. This condition is usually the result of
205. Translation is a process of the biosynthesis of:
176. Which organ in adult human originates from embryonic ectoderm?
197. In the kidney, the correct sequence of formation of urine involves the following processes:
180. An individual with two identical alleles of a certain gene is
258. Which of the following contains regulatory centers of the respiratory circulatory systems?
293. Which of the following is correct with regard to aneuploidy?
286. The function of mucus in intestinal juices is to:
263. Which of the following can be absorbed in the digestive track without any hydrolysis?
234. Which of the following about plasma membrane is not true?
187. Which of the following is not a flat bone?
165. The nucleic acid which contains deoxyribose, phosphoric acid and nitrogen bases A, T and C is
224. In an emergency, a person with blood type AB could receive blood from persons with blood type:
166. During meiosis, pairing of homologous chromosomes occurs, which permits large segments of DNA to be exchanged. What is this process called?
219. The prostate gland plays a major role in the production of:
168. What is the function of the Golgi apparatus?
259. Which of the following statement best summarizes the structural differences between DNA and RNA?
227. The ecosystem consists of:
283. Blood does all of the following, except:
198. A radioactive marker was applied to the mesoderm of mammalism embiryo. Which tissues or organs would have this marker in the adult:
280. The metabolism and growth are overseen by:
213. Glucoeorticoids are produced by the:
138. The mutation which will NOT affect the length of a protein
169. Stages of meiotic prophase I occur in following order
248. Which of the following molecules contain animo acids?
(1) pepsinĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā (2) vitamin D
(3) starchĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā (4) antibodies
284. In gas exchange (External respiration):
