Which of the following morphologies are seen among the Chloroplastida?
A. Sheet-like
B. Unicellular
C. Colonial
D. Filamentous
E. All of the choices are correct.
Answer: E
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Answer the following statements true (T) or false (F)
1. Most biologists would agree that the most important metabolic pathway of living organisms is photosynthesis. 2. The rise of photosynthetic organisms increased the concentration of CO2 in the atmosphere. 3. Grana, thylakoids, and chloroplasts are cellular structures important to the process of photosynthesis. 4. The primary photosynthetic pigment, chlorophyll a, reflects most orange light that reaches it. 5. The light reactions use ATP as their energy source.
If the number of protons in an atom does not match the number of electrons, the atom is called an ________
A) element B) isotope C) isomer D) ion
Ethical dilemmas raised by DNA technology and knowledge of the human genome include ________
A) the potential for interfering in evolution, only B) the safety of GM foods, only C) the potential discrimination against people predisposed to certain diseases, only D) all of the answer choices are correct
If true-breeding red long radishes are crossed with true breeding white oval radishes, the F 1 will be expected to be which of the following?
A) Red and long B) Red and oval C) White and long D) Purple and long E) Purple and oval