Description:1. Free ears in dogs are controlled by dominant allele (F), and attached ears are controlled by the recessive allele (f). In addition, Short dogs is due to a dominant allele(S), and long hair is due to a recessive allele (s). Which of the following is the genotype of the dogs with free ears and short hair?a. ffssb. FfSsc. ffSsd. Ffss 2. A blood sample taken from a patient who has an infection can be expected to show which of the following? a Elevated white blood cell countb Elevated red blood cell countc Reduce red blood cell countd Reduce White blood cell count 3. Which of the following organs remove nitrogenous waste from the body? a. Liverb. Large Intestinec. Kidneysd. Gall Bladder 4. An individual cell is able to make copies of its genetic information but is unable to produce encoded proteins. This indicates a possible problem in the_________________________. a. Centrosomeb. Golgi apparatusc. Acrosomed. Ribosome 5. Which of the following digestive system structures releases amylase? a. Goblet cellsb. Gallbladderc. Salivary glandsd. Duodenum 6. Which of the following functions does the myelin sheath perform for a nerve cell? a. Nutritionb. Sensory perceptionc. Insulationd. Regeneration 7. Which of the following organs is responsible for secretion of the hormone insulin? a. Pancreasb. Thyroid glandc. liverd. Adrenal Gland 8. An increase in which of the following would lead to a decrease in the amount of oxygen in the blood? a. Inhalation rateb. Red blood cell countc. Exercise rated. Alveoli surface area 9. Which of the following body system break down proteins into amino acids? a. Digestiveb. Endocrinec. Circulatoryd. Excretory 10. Which of the following layers of skin contains the sebaceous glands? a. Hypodermisb. Dermisc. Stratum corneumd. Epidermis 11. In the image 12. Osteoporosis result from which of the followings? a. A decline of osteoblast activity while osteoclast activity continues at expected levelsb. A decline of osteoclast activity while osteoblast activity continues at expected levelsc. An increase in osteocyte activity while osteoblast activity continues at expected levelsd. An increase in osteocyte activity while osteoclast activity continues at expected levels 13. Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never close?a. Diastole will shorten in durationb. The ventricles will not contractc. There will be an absence of systoled. The atria will not contract. 14. Which of the following structures is found in all cells?a. Cell wallb. Mitochondriac. Nucleusd. Plasma membrane 15. Which of the following types of cell stimulates other immune cells to attack and destroy?a. Helper T-cellsb. Plasma cellsc. Cytotoxic T-celld. Natural killer cells 16. The process known as gastrulation results in the formation of which of the followinga. Germinal layersb. Neural crestc. Coelomic cavitiesd. Circulatory systems 17. Which of the followings molecules must undergo replication before cell division can occur?a. ATPb. ADPc. DNAd. RNA 18. Which of the following structures carriers blood away from the heart?a. Ventriclesb. Arteriesc. Capillariesd. Veins 19. Which of the following demonstrates condensation?a. Dew drops from on a leafb. A water puddle dries up.c. Water convert to steamd. Ice form on a pond 20. Of pathogens by phagocytes are nonspecific cella. Antibody- mediated immunityb. The internal aspect of adaptive immune systemc. The internal aspect of the innate immune systemd. Passive immunity 21. Which of the following unit is used to indicate mass?a. Cm3b. Umc. Mgd. mL 22. Which of the following demonstrate a chemical reaction of water?a. Water boils to produce steam at 100 C (212 F)b. Water produces gas with sodium metalc. Water and oil separate when combinedd. Water dissolves sugar 23. In the experiment, students put brine shrimp in water with different concentration of salt and counted the number.Which of the following changes to the experiment will increase confidence in the validity of the result? a. Count the number of dead brine shrimp instead of living brine shrimpb. Add more brine shrimp to the water with the highest salt concentrationc. Repeat the experiment several times, and calculate the average number of brine shrimpd. Reduce the length of the experiment from 24 hours to 8 hours. 24. Where is the information stored in DNA?a. Deoxyribose sugarsb. Phosphodiester bondsc. Phosphate groupsd. Nitrogenous bases 25. In the intestine by which of the following? a. Pancreatic secretionsb. Brush- border enzymesc. Gastric juiced. Mucus production 26. In which of the following locations does the development of blood call take place?a. Bone Marrowb. Spongy bonec. Endosteumd. Periosteum 27. The component of an atom that possesses relatively little mass, thus being negligible in calculating the atom a. Protonb. Neuronc. Electrond. Quart. 28. S and O are in the same periodic group and share chemical properties, but H2S is a gas at room temperature, following is the main reason for this? a. H2S has stronger ionic bonds than H2Ob. H2S has stronger intramolecular bonds than H2Oc. H2O has stronger ionic bonds than H2Sd. H2O has stronger intramolecular bonds than H2S 29. Which of the following reasons explains why it is important for new scientific findings to be published?a. Scientists will get paid if their findings are publishedb. Other scientists can validate or disprove the findingsc. Publishing findings will help scientists become more biasedd. This prevent other scientists from performing similar test. 30. Which of the following organ system filter fluids?a. Gallbladderb. Kidneyc. Spleend. stomach31. the exchange of nutrients between tissues and blood primary occurs in which of the following locations?a. Capillariesb. Veinsc. Arteriolesd. Aorta 32. The process by which gametes combine to form a zygote is called which of the following?a. Parthenogenesisb. Mitosisc. Meiosisd. Fertilization 33. Which of the following cellular processes produces gametes?a. Mitosisb. Glycogenesisc. Apoptosisd. Meiosis 34. C3H8 + ________ O2 ======= 3CO + 4H2O . Which of the following balances the reaction above?a. 1b. 7c. 5d. 3 35. which of the following blood vessels is the identified by the letter “K” in the image?a. Pulmonary veinb. Aortac. Pulmonary arteryd. Inferior vena cava 36. Which portion of the autonomic nervous system is responsible for an increased heart rate?a. Sympatheticb. Centralc. Parasympatheticd. Enteric 37. Permanent damage to which of the following types of tissues in the spinal cord will cause paralysis?a. Muscle tissueb. Nervous Tissuesc. Bone tissued. Connective tissue 38. Which of the following diseases is caused by immune system attacking the body’s nervous system?a. Pneumoniab. Muscular dystrophyc. Tuberculosisd. Multiple sclerosis 39. Which of the following is the appropriate prefix to measure the amount of space taken up?a. Milib. Decac. Kilod. Micro 40. In addition to oxygen and carbon dioxide, the circulatory system is the primary delivery system fora. cerebrospinal fluidb. exocrine secretionsc. biliary fluidsd. endocrine hormones 41. a biology class wants to perform an experiment to investigate the effect of different colors of light of green, yellow, red and clear cellophane and plant three seeds in each one. What part do the three seeds experiment?a. Confounding variablesb. Independent variablesc. Control variablesd. Dependent variables42. Iodine directly helps which of the following glands to function properly?a. Pancreasb. Thyroidc. Adrenald. Pituitary 43. Genes are made of which of the followings types of sequences that code for one or more proteins?a. Nucleotideb. tRNAc. Proteind. Chromosome 44. Which of the following is a characteristic of a good hypothesis? a. Original idea not based observationb. Raises further questionsc. Should be testabled. Contains more than two variables. 45. Which of the followinga. Relaxation of the diaphragmb. Relaxation of the external intercostalc. Contraction of the diaphragmd. Contraction of external intercostal 46. Which of the following gland regulate the function of other glands in the endocrine system?a. Thyroid glandb. Pineal glandc. Parathyroid glandd. Pituitary gland 47. Which of the following reactions occurs during thermoregulation to increase body temperature?a. The body relaxes the muscleb. The body produces sweatc. The body begin shiveringd. The body sends blood to the skin 48. Which of the followings terms describes the removal of metabolic waste from the body?a. Catabolismb. Anabolismc. Secretiond. Excretion 49. A deactivated deadly strain of bacteria was first treated with protease enzyme. It was bacteria became deathlyWhich of the following statements is a valid conclusion from the experiment above? a. Killed bacteria components can make live bacteria deadlyb. Dead bacteria are more deadly than live bacteriac. Protein are dangerous to bacteria and kill themd. Protease enzyme causes live bacteria to become deadly 50. A DNA strand has the sequence 5’ A-C-A-G-T-A-A-A- 3’. Which of the followings if the real sequence?a. 3’ T-G-T-C-G-G-C-A-T-T-T 5’b. 3’ A-C-A-G-C-C-G-T-A-A-A 5’c. 3’ U-G-U-C-G-G-C-A-U-U-U 5’d. 3’ A-A-A-T-G-C-C-G-A-C-A 5’ 51. Gains and losses of which of the following generally create an electrolyte imbalance?a. Sodiumb. Phosphatec. Riboflavind. Sulfur
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