Challenging Biology Problems with Detailed Answers

Manuel eats lunch in the cafeteria every day. How does his digestive system make use of the lunch he eats? aA. It changes the food into cells that protect the body from illness. bB. It converts food into oxygen that is absorbed into the blood. cC. It breaks down some food into usable material for the body and discards the rest. dD. It breaks down food into the chemicals needed by the body to regulate temperature.
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Mention two important benefits of forests.
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What is the most likely cause of tuberculosis? A. It is caused by taking a certain drugB. It is caused by poor nutrition C. It is caused by a type of bacteria D. It is caused by a type of virus
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Guys pls help me!!!!
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please help asap 10 points screenshot attached
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Carbon-14 has a half life of 5730 years, how many grams of a 4.0 g sample would be left after 3.5 half-lifes?
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Help plz and can you plz use the key terms
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If a carrier female and an affected male have a offspring, what is the chance that they will have a carrier offspring A 75%B 50%C 25%D 25%
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We use genetically modifed animals for protein tracking as well as novelty pets. True False
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Why does most of the absorption occur in this organ and not earlier in the GI tract?
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How is radioactive dating used to measure Earths age?
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Which statement is true about mutations?WA. Mutations are always beneficial..Mutations are always harmful in plants.C.Mutations only affect humans.D.Mutations can be caused by high-energy radiation.
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What happens when the net energy is zero
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The diagram below shows two kinds of cells.A biologist wants to classify protein secretions into groups based on the principal function of the protein. Which cell would the biologist select to study and why?
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which line is the line of the best fit in the scatter plot below
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structure and functionWhen cells ofjoin together, they formobvious, cellsdifferent, tissuesimilar, tissue
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The study of the movements of tectonic plates and the continents above them are either.....Plate Tectonics ..Sea floor spreading
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suggest how a dimetrodon would have to behave in order to use its sail to warm its body ?
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in order for a liquid to turn into a solid,would you transfer energy in or out?What happens to speed of molecules
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Which could be a potential misuse of the genetic information obtained by sequencing the human genome?
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The three smaller components that make up atoms are -A- neutrons, protons and ions.B- neutrons, electrons and protonsC- protons, ions and electrons.D- electrons, neutrons and ions.
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The first is red cell (erythrocyte) the second is white cell (leukocyte) b) Which organelle is missing in the red blood cell? c) Describe a feature that shows the difference between a red blood cell and other cells in the human body. d) Explain how red blood cells are adapted to perform their function. e) Describe the functions of white blood cells.plzz plz help plz
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True or False. Pepsin digests cellulose.
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1. Which of the following is NOT a characteristic of life.A. Being MulticellularB. Responsiveness to the EnvironmentC. Growth and ChangeD. Maintain Homeostasis
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