Which of the following is a correct statement about the formation of sustainable human stem cell
cultures?
a. Organs could not be grown for transplantation.
b. Defective cells could be replaced with functional versions derived by stem cells (e.g.,
Parkinson disease).
c. They could cure cancer.
d. They could cure the common cold.
e. They could cure the flue.
B
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According to the logistic growth equation, = rmaxN,
A) the number of individuals added per unit time is greatest when N is close to zero. B) the per capita growth rate (r) increases as N approaches K. C) population growth is zero when N equals K. D) the population grows exponentially when K is small. E) the birth rate (b) approaches zero as N approaches K.
Explain how breast cancer diagnosis and treatment has benefited from proteomics and genomic analyses
What will be an ideal response?
After meiosis, resulting daughter cells are
likely to contain
a. the same number of chromosomes as the parent cell. b. half the number of chromosomes than the parent cell carries. c. twice the number of chromosomes than the parent cell carries. d. three times the number of chromosomes than the parent cell carries. e. four times the number of chromosomes than the parent cell carries
Suppose you are trying to estimate the following regression: Yi = ?0 + ?1X1i + ?2X2i + ?3X3i + Ui, with an instrument for Zi for X2i. All of the following variables will be included (on the right- and left-hand side of this regression) in the second stage of two-stage least squares except for which one?
A. Yi B. X2i C. X3i D. X1i