Which of the following scientific achievements best represents a collaborative effort among
scientists?
O Gregor Mendel's study of pea plants enabled Thomas Morgan to become the
first to locate a gene on a chromosome in Drosophila.
O Anton van Leeuwenhoek invented the microscope in the 1600s, which was later
used by others to study cells.
Robert Koch studied infectious diseases, and Louis Pasteur demonstrated that
life only comes from life.
Francis Crick and James Watson worked together to design the double-helix
model of DNA

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research. b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research. c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data. d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Which group of molecules are targeted by the kinases in order to control this movement