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Questions in biology

📝 Answered - Which statement best describes an igneous intrusion? A. Magma explodes to the surface and forms a smooth outer layer of rock. B. Igneous intrusion forms when ice crystals splash into lava. C. Magma is injected into surrounding rock, forming an igneous intrusive. D. Magma is exported to an open area and forms iron.

📝 Answered - Is pectin found in animal cells?

📝 Answered - What kind of ion may serve as a cofactor to catalyze a reaction. It's #5 in the picture

📝 Answered - Kip studies flower color in petunias, where the allele for red flowers, R, is dominant to the allele for white flowers, r. If Kip makes the cross RR x rr, the gametes that are produced: A. will all carry the r allele. B. will all carry the R allele. C. by one parent will carry R and by the other parent will carry r. D. by one parent will carry Rr and by the other parent will carry rR.

📝 Answered - An insect eats a leaf. Explain how the insect depends on the sun for energy.

📝 Answered - What are some decomposers? Besides bacteria, worms, and mushrooms, name at least two more.

📝 Answered - Which organelle helps make proteins and may be free-floating or attached to the endoplasmic reticulum?

📝 Answered - The ribosome of a cell is most responsible for what function? A) production of ATP B) storage of materials C) manufacture of proteins D) direction of all cellular activities

📝 Answered - What is the definition of the term 'clone'?

📝 Answered - Which of the following is not a characteristic that geologists use to identify minerals? A. Streak B. Fracture C. Softness D. Color