11 Jun BIOLOGY 101 – A group of medical researchers investigated
Question
Question 1.
A group of medical researchers investigated the effects of a drug called Pressure Drop X on lowering blood pressure in a group of women between the ages of 60 and 80 years old. The researchers did the following experiment and obtained the indicated results: One group of 150 women took a tablet containing Pressure Drop X for 3 weeks – 95 of these women experienced decreased blood pressure by at least 10%. Another group of 150 women were given a tablet with no added Pressure Drop X for 3 weeks – 10 of these women decreased their blood pressure by 10%. What are the controlled variables in this experiment?
A. Amount of pressure drop Y
B. Blodd Pressure
C. The Age and gender of the participants
D. The 3 week time period and sample size of 150
E. The group of men that received the pills with no added pressure drop y
Question 2.
Which macromolecule is the primary energy source for organisms
A. Sunlight
B. Protein
C. Fat
D Carbohydrate
E. Nucleic acid
Question 3
You observe a cell under a microscope and dont see a well defined nucleus. what type of cell is this?
A. Prokaryotic
B. Eukaryotic
C. Plant
D. Animal.
Question 4
What is the atomic number of an element with 9 protons, 10 neutrons and 8 electrons?
A. 10
B. 19
C. 9
D. 28
Question 5
Which of the following statements about mitosis is “NOT” true?
A. The cells resulting from meiosis are diploid and the cells resulting from mitosis are haploid
B. Meiosis and meiosis both starts with one cell, meiosis end with four and mitosis with two
C Mitosis produces new cells for growth and repair, meiosis produces gamets
D. Mitosis goes through cytokinesis once, meiosis goes through cytokinesis twice
E. Cross over happens in meiosis, but no in mitosis
Question 6.
What will most likely happen if a cell’s lysosomes burst?
A. The cell would shrivel
B. The cell would divide into two cells
C. The cells would digest itself
D. The cell would need to manufacture more lysosomes
Question 7.
Which of the following statements about photosynthesis is correct?
A. The light dependent reaction produces glucose from sunlight energy
B. Oxygen is converted to carbon dioxide in the photosynthetic reaction
C. The products of cellular respiration are used a reactants in photosynthesis
D. Water is used during photosynthesis to capture electrons released from excited chlorophyll pigments
E. The Oxygen produced in the light reaction used to make sugars in the calvin cycle
Question 8.
What are two atoms with the same atomic number, but different atomic mass, called?
A. Radioactive
B. isotopes
C. Proteins
D. Electrons
E. Nuclei
Question 9
What is the sequence of the mRNA made from the gene AAACAGGTCCCA?
A. AAACAGGUCCGT
B. TTTGTCCAGGGT
C. UUUGUCCAGGGU
D. CCAGTGGACCCA
Question 10.
Which of the following organisms have cellular respiration? select all that apply
A. Oak Tree
B. Elephant
C. Shiitake mushrooms
D. Green algae
E. Salmone
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