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Application for science midterm examination questions and correct answers

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Application for science midterm examination questions and correct answers

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  • July 1, 2024
  • 37
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • application for science midterm examination questi
  • application for science midterm examination quest
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Application for science midterm examination questions and correct answers (well written) year 2024 graded A+ movement that is a regular, seasonal journey - ANSWER --migration cooperative behaviors are for - ANSWER --protection a response to a stimulus that is not learned, but done right the first time - ANSWER --instinct the way an organism responds to internal or external changes - ANSWER --
behavior Humans have nearly 80 different kinds of organs. Each organ serves a specialize d purpose in the body. For example, the brain serves as the control center of the body. What do single -celled organisms have that serve the same purpose as organs? a) atoms b) molecules c) organelles d) tissues - ANSWER --c) organelles Microscopes allowed scientists such as Schleiden and Schwann to see organisms under high magnification. After much study, which ideas became parts of the cell theory? Choose 3 a) cells contain specialized organelles b) bells are the basic units of life c) a group of similar c ells make up a tissue d) all living things are made up of cells e) all cells come from other cells - ANSWER --b) bells are the basic units of life; d) all living things are made up of cells; e) all cells come from other cells A virus can reproduce only ins ide a cell. Once inside, the virus causes the cell to make many new copies of the virus. In an animal, which part of the cell is responsible for keeping viruses out? a) cell membrane b) nucleus c) vacuole d) cell wall - ANSWER --a) cell membrane Dr. Rivera is a microbiologist at a research hospital. She studies bacteria with genetic changes that affect cell division. Dr. Rivera has discovered one change that stops the cell cycle between metaphase and anaphase. The change does not kill the cells, but it does prevent them from dividing. Why will these cells be unable to divide? a) they will be unable to replicate their genetic material b) they will be unable to separate their chromosomes into chromatids that will go to each daughter cell c) they will be unable to grow large enough to reproduce d) they will be unable to split into two daughter cells - ANSWER --b) they will be unable to separate their chromosomes into chromatids that will go to each daughter cell Beetles called ash borers lay tier eggs under the bark of an ash tree. The baby beetles, called larvae, chew through the tree's tough bark. Then the larvae feast on the softer, living cells of the inner bark. Inner bark transports carbohydrates and water b etween the tree's parts. Without a working transportation system, the tree dies. They only way to save an infested ash tree is to treat it with insect -killing chemicals. Killing the ash borer larvae stops the insects, but the damage remains. Write the lett er of the correct answer on the line at left. After an ash tree is treated to kill the beetles, how can the tree repair the damage from the larvae tunnels? a) other kinds of cells could change to inner bark cells to repair the tunnels b) the cells around t he tunnels could grow much larger to fill in the tunnels c) the tree could fill in the tunnels by sending cells from other parts of the tree d) the tree could rep - ANSWER --d) the tree could replace the tissues through cell division by nearby cells Max ha s a group of goldfish in his tank at home. He notices that they are struggling a bit. Max wants to increase their rate of cellular respiration in hopes that it would help them to survive. Which of the following actions would potentially increase the rate o f cellular respiration in the goldfish? a) reducing the amount of food placed in the tank b) increasing the amount of carbon dioxide in the tank c) increasing the amount of oxygen in the tank d) reducing the amount of sunlight that hits the tank - ANSWER --c) increasing the amount of oxygen in the tank What 2 locations does Cellular Respiration occur in? a) nucleus and chloroplast b) cytoplasm and mitochondria d) mitochondria and chlorophyll - ANSWER --b) cytoplasm and mitochondria The ghost plants is white with a single stalk. Even though it looks more like a mushroom, the ghost plant is related to blueberry plants. The ghost plant is a parasite that feeds on a fungi under the ground. Ghost plant cells have all the usual plant organelles except for a ____. - ANSWER --chloroplast Speaking of plants, how many molecules of carbon dioxide does photosynthesis use as a raw material? ____ How many molecules of glucose does it make? ____ - ANSWER --6; 1 Immune cells in your body protect you from invading microorgani sms. If the cells encounter an invader, they consume it by the process of _____. After the invader is digested, waste materials are ejected from the cell by ____. - ANSWER --endocytosis; exocytosis Please place an A in the blank if the action is Active Transport. Please place a P in the blank if the action is passive transport. ___ water passes into cells through osmosis ___ cell take in large particles through endocytosis ___ carbon dioxide diffuses out of cells ___ larger molecules such as sugars move into cells by facilitated diffusion ___ cells move proteins out of the cell by exocytosis - ANSWER --P; A; P; P; A Place a number 1 next to the sentence that is photosynthesis stage 1 and a number 2 by the sentence that is photosynthesis stage 2. ___ sunlight splits water molecules into hydrogen and oxygen ___ glucose, a type of sugar, is produced

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