Answers
Which of the following is the appropriate threshold value for mammalian
neurons?
(Ans-
-55 mV
In a certain plant, red flowers are dominant over white flowers. A plant
heterozygous for red flowers and a plant with white flowers are crossed.
Which of the following is the expected proportion of phenotypes in the next
generation?
(Ans- 2 red, 2 white
Which of the following structures is present in both prokarayotic cells?
(Ans- Cell membrane
Which of the following can lead to a tsunami?
(Ans- Earthquakes
Which of the following are used to determine a person's DNA sequence?
(Ans- Genes
Which of the following organic molecules contain both an amine and
carboxyl group?
(Ans- Proteins
, Osteoporosis results from which of the following
(Ans- A decline in osteoblast activity while osteoblast activity continues at
expected levels
Which of the following is released by one type of immune cell to directly
activate type of immune cell?
(Ans- Cytokines
The measurement indicated by the line across the center of the cell is best
referred to as which of the following?
(Ans- Diameter
Which of the following properties of water explains its solvent abilities for
certain substances?
(Ans- Polarity of water molecules
Which of the following vessels caries oxygenated blood?
(Ans- Pulmonary vein
Which of the following is a mass with the ovary that secretes hormones to
maintain the uterine lining during pregnancy?
(Ans- Corpus luteum
To separate genomic DNA fragments by size, which of these laboratory
methods is most useful?
(Ans- Electrophoresis