Which of the following statements is true?
A) All organisms can use sunlight to produce chemical energy.
B) Plants use solar energy to turn glucose into oxygen.
C) Cellular respiration occurs only in plants.
D) Chemical energy, in the form of glucose, is the primary source of energy for life.
Ans: D) Chemical energy, in the form of glucose, is the primary source of energy for life.
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A locus is
a. a recessive gene. b. an unmatched allele. c. a sex chromosome. d. the location of a specific gene on a chromosome. e. a dominant gene.
The resolution of a microscope can be improved by changing the
A) condenser. B) fine adjustment. C) wavelength of light. D) diaphragm. E) coarse adjustment.
Which of the following correctly matches a cell or group of cells with its ability to differentiate into different specialized cells? (Select all correct choices.)
A. fertilized egg: pluripotent B. mesoderm: pluripotent C. endoderm: multipotent D. fertilized egg: multipotent E. ectoderm: totipotent
As oceans began to form on Earth billions of years ago, they were small, warm, and not very salty
Indicate whether the statement is true or false