9. The Pitx1 protein has important functions in various tissues during stickleback development. The complete absence of the Pitx1 protein from all tissues is lethal to the organism. However, as shown in the film, Pitx1 protein can be absent in the pelvis alone, and the fish survives. The absence of Pitx1 in the pelvis confers a unique phenotype. Mark the fish below that lacks Pitx1 expression in the pelvis. a b

O mitochondrial DNA Question 5 The 5' end of a DNA molecule has O a free base that is attached to the # 5 carbon O a free phosphate group that is attached to the #5 carbon O a free #5 carbon in the sugar molecule O a free # 3 carbon in the sugar molecule Question 6 ndc bet

Question 38 Which of the following are components of all cells? plasma membrane ribosomes O DNA O All of these are components of all cells Question 39

Question 14 If the cell membrane is severley damaged, the cell will O use special proteins to plug any holes repair the damage make cholesterol and ergosterol to repair the damage O die O rapidly reproduce

QUESTION 11 In this gel image, click on the band that represents the molecule that is smallest in size (mass). Coloctod Coordioator

Statement explaining why plastics can accumulate in the ocean over time for kids like use simple lanaguge

QUESTION 7 All of the following statements agree with the germ theory of disease, except: A. Microorganisms can invade other organisms and cause disease B. Maggots only grow on meat that is left in an open flask because microbes are transmitted by flies and do not spontaneously generate OC. Disease-causing organisms will spontaneously arise from decaying meat OD. Disease is not caused by bad air or spirits

Question 20 Which of the following is an important role of Vitamin A? Question 20 options: As a coenzyme in tissue regeneration As an antioxidant in lipid membranes Enhancement of bone mineralization Regulation of gene expression and cell differentiation

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