Biology, 30.09.2021 02:50 Chartwig1908
Which of the following provides the best description of active transport of materials across the cell membrane?
Active transport does not require energy and moves materials from areas of relatively higher to lower concentration.
Active transport does not require energy and moves materials from areas of relatively lower to higher concentration.
Active transport requires energy and moves materials from areas of relatively lower to higher concentration.
Active transport requires energy and moves materials from areas of relatively higher to lower concentration.
Answers: 3
Biology, 22.06.2019 11:00
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Biology, 22.06.2019 17:00
Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.
Answers: 1
Biology, 22.06.2019 17:30
The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes
Answers: 1
Which of the following provides the best description of active transport of materials across the cel...
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