G1 phase
What will be an ideal response?
(also, first gap) a cell-cycle phase; first phase of interphase centered on cell growth during mitosis
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Two extant species of coelacanths and six species of lungfish are members of which lineage?
a. Petromyzontoidea b. Chondrichthyes c. Actinopterygii d. Myxinoidea e. Sarcopterygii
A bear at a national park has discovered that if it can open the lid of the trash cans, it is likely to find tasty food inside. Soon it is trying to open the trash cans all over the park. What mechanism of learning has occurred?
A. classical (Pavlovian) conditioning B. habituation C. operant conditioning D. air conditioning Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about different learning mechanisms? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is a unique feature of echinoderms?
A) bilateral symmetry B) a water vascular system C) radial symmetry D) a deuterostome pattern of development
Which of the following describe characteristics of sclerenchyma cells? Select all that apply.A) Their function is primarily to transport oxygen and carbon dioxide throughout the leaf.B) They have thick, tough secondary walls.C) Their secondary walls may be impregnated with lignin.D) They form fibers and sclereids.E) They lack living protoplasts when mature.
What will be an ideal response?