Digestive Organs
Which selection includes only the accessory digestive organs?
A. liver, thyroid gland, gall bladder, spleen
B. gall bladder, liver, pancreas, salivary glands
C. stomach, duodenum, pancreas, gall bladder
D. salivary glands, thyroid gland, pancreas and liver
B. gall bladder, liver, pancreas, salivary glands
Which digestive disorder refers to the backflow of acid to esophagus characterizes by burning sensation in your chest (heart burn) usually after eating?
A. constipation
B. diarrhea
C. gastritis
D. Gatroesophageal Reflux Disease
D. Gatroesophageal Reflux Disease
Which of the following is longest stage in the cell cycle?
A. anaphase
B. interphase
C. metaphase
D. telophase
B. interphase
If a guinea pig contains 64 chromosomes in each body cell, how many chromosomes would be produced in each cell as a result of meiosis?
32 chromosomes
Which of the following BEST describes alleles?
A. genes for different traits, such as hair color or eye color
B. alternative forms of a gene for a single trait, such as blue eyes or brown eyes
C. the locations of genes on a chromosome
D. dominant forms of a kind of characteristic carried by genes
B. alternative forms of a gene for a single trait, such as blue eyes or brown eyes
Identify the type of digestion occurs in the sentence below.
Salivary amylase helps break down starch molecules into maltose.
Chemical Digestion
Which of the following is NOT a cause of peptic ulcers?
A. low fiber diet
B. coffee and acidic juices
C. emotional stress and eating spicy food
D. bacterial infection with Helicobacter pylori
A. low fiber diet
Which of the following is NOT a purpose of mitosis?
A. development
B. production of gametes
C. repair (of a wound) in multicellular organisms
D. asexual reproduction in unicellular organisms
B. production of gametes
When ________________ occurs between non-sister chromatids genetic exchange between chromosomes provides a new combination of genes that are different from either parent.
crossing over
What is the phenotypic ratio of an offspring whose parents are of the genotype Rr x Rr?
3:1
The enzyme protease would be required to digest which of the following food?
A. egg
B. vegetable
C. rice
D. animal fat
A. egg
Modifed True or False
Mumps is an inflammation of the pancreas caused by a virus.
False, salivary gland
If an organism has 30 chromosomes, how many chromosome numbers in each daughter cell have after mitosis?
30 chromosomes
Which cells undergo meiosis in humans?
gametes
What do geneticists call the units of heredity that segregate during meiosis and made up of organized protein and DNA?
chromosomes
A person who habitually eats very quickly often experiences indigestion and discomfort after meals. Which aspect of digestion is likely compromised due to this eating habit?
A. Absorption
B. Chemical digestion
C. Elimination
D. Physical Digestion
B. MECHANICAL digestion
Francis recently returned from a trip abroad and now presents with watery stools, abdominal cramps, and fever. What is the MOST likely cause of Jack’s symptoms?
Diarrhea
During which stage of mitosis does cytokinesis usually occur in animals?
Telophase
Yellow fever mosquito (Aedes egypti) has six chromosomes in its nucleus. If its reproductive cell starts dividing, how would you describe the pairs of its chromosome in the given picture?
Homologous chromosomes
Curly hair (C) is dominant to straight hair (c). A homozygous curly- haired male marries a heterozygous curly-haired female.
What would be the percentage of straight haired offspring?
0%
When excess water is not absorbed properly in the digestive process, what organ is likely NOT functioning properly?
Large intestine
What is the effect if a person’s liver stops functioning?
During what phase of mitosis do sister chromatids separate and move to opposite poles of the cell?
Anaphase
During which stage of meiosis do chromosomes line up in single file in the middle of the cell
metaphase II
A genotype AaBb is crossed with AaBb. What is the percentage of the offspring with AaBB genotype?
12.5%