Question

anyone in connections academy

Answer 1

I am.

Answer 2

do u have bio A?

Answer 3

Yes

Answer 4

do u know what score you got on the unit 1 assessment?

Answer 5

The unit test?

Answer 6

yes

Answer 7

im on it right now

Answer 8

I got a 90%

Answer 9

do u have any answers i can compare to mine that i have now

Answer 10

1. Amino acid is to protein as (1 point)
(0 pts) fat is to lipid.
(0 pts) DNA is to RNA.
(0 pts) sugar is to fat.
(1 pt) simple sugar is to cellulose.
1 /1 point
2. The process by which organisms keep everything inside their bodies within certain limits is called (1 point)
(1 pt) homeostasis.
(0 pts) evolution.
(0 pts) metabolism.
(0 pts) photosynthesis.
1 /1 point
3. During a controlled experiment, a scientist isolates and tests (1 point)
(0 pts) a conclusion.
(0 pts) a mass of information.
(0 pts) a control group.
(1 pt) a single variable.
1 /1 point
4. Which of the following represents an ion? (1 point)
(0 pts) a particle having 14 protons, 14 neutrons, and 14 electrons
(1 pt) a particle having 9 protons, 9 neutrons, and 10 electrons
(0 pts) a particle having 19 protons, 21 neutrons, and 19 electrons
(0 pts) a particle having 1 proton, 3 neutrons, and 1 electron
1 /1 point
5. Which of the following is not a way that science influences society? (1 point)
(0 pts) Science provides answers to some of society’s practical problems.
(1 pt) Science gives society answers to difficult ethical issues.
(0 pts) Science advances technology that is useful to society.
(0 pts) Science increases society’s understanding of how people affect the environment.
1 /1 point
6. Which of the following is not a goal of science? (1 point)
(0 pts) to investigate and understand the natural world
(0 pts) to explain events in the natural world
(1 pt) to establish a collection of unchanging truths
(0 pts) to use derived explanations to make useful predictions
1 /1 point
7. What is true about the following chemical reaction?


(1 point)
(1 pt) Four new chemical bonds have been formed to replace the original chemical bonds in the reactants.
(0 pts) The mass of the products is less than the mass of the reactants.
(0 pts) The atoms in the products have undergone chemical change in order to form the products.
(0 pts) Some of the atoms in the reactants could not be included in the products and are released to the environment.
0 /1 point
Note: This question was entered in error. You will receive credit for any answer.
8. How do compounds differ from their component elements? (1 point)
(1 pt) Compounds have different numbers of neutrons than their component elements.
(1 pt) Compounds have different charges than their component elements.
(1 pt) Compounds have different properties than their component elements.
(1 pt) Compounds have different masses than the sum of masses of their component elements.
1 /1 point
Note: This question was entered in error. You will receive credit for any response.
9. Which of the following correctly lists some defining characteristics of living things? (1 point)
(1 pt) Living things can reproduce themselves, grow, and have a means for moving about.
(1 pt) Living things can take in matter and energy, produce their own food, and evolve over time.
(1 pt) Living things have nucleic acids for genetic transfer, a nervous system, and a means for reproducing themselves.
(1 pt) Living things maintain a stable inner environment, respond to stimuli, and are composed of cells.
1 /1 point
10. Which of the following explains the formation of the curved surface of water in the graduated cylinder shown below?

(1 point)
(0 pts) Hydrogen bonds form between water molecules.
(0 pts) Ionic bonds form between glass molecules in the cylinder.
(0 pts) Covalent bonds form between water molecules and glass molecules in the cylinder.
(1 pt) Attractive forces form between polar water molecules and polar glass molecules in the cylinder.
1 /1 point
11. Which pair of elements would be expected to form an ionic bond?

(1 point)
(0 pts) nitrogen and oxygen
(1 pt) lithium and fluorine
(0 pts) carbon and hydrogen
(0 pts) silicon and chlorine
1 /1 point
12. Which of the following is true? (1 point)
(0 pts) Biased thinking promotes scientific ideas.
(0 pts) Open-mindedness restricts scientific thinking.
(1 pt) Creativity fosters scientific discovery.
(0 pts) Close-mindedness cultivates scientific exploration.
1 /1 point
13. Chemical reactions are important to living organisms because (1 point)
(0 pts) they alter the activation energies necessary to initiate life processes in an organism.
(0 pts) they provide a purpose for the enzymes made by an organism.
(1 pt) they allow the organism to use matter and energy from the environment for life processes.
(0 pts) they enable the organism to decompose after it dies.
1 /1 point
14. A stream of water will bend toward a balloon that has been rubbed on a sweater to generate static charge. Which property of water is responsible for this behavior? (1 point)
(1 pt) the polarity of the water molecule
(0 pts) the ability of water to form hydrogen bonds with itself
(0 pts) the ability of water to form hydrogen bonds with other molecules
(0 pts) the ability of water molecules to form a repeating lattice structure
0 /1 point
15. Which of the following statements correctly distinguishes between an acidic and a basic solution? (1 point)
(0 pts) An acidic solution contains a high ratio of hydrogen ions to hydroxide ions and a basic solution contains a ratio that is closer to one.
(0 pts) An acidic solution has a high pH and a basic solution has a low pH.
(0 pts) An acidic solution has only hydrogen ions and a basic solution has only hydroxide ions.
(1 pt) An acidic solution has a much higher hydrogen ion concentration than a basic solution.
0 /1 point
16. Which of the following diagrams correctly shows the pathway of a reaction that absorbs energy? (1 point)
(0 pts)
(0 pts)
(0 pts)
(1 pt)
1 /1 point
17. Which of the following statements is true about catalysts? (1 point)
(0 pts) Catalysts slow down the rate of chemical reactions.
(0 pts) All catalysts are enzymes.
(0 pts) Catalysts are used up during a chemical reaction.
(1 pt) Catalysts lower the activation energy of a chemical reaction.
1 /1 point
Fill in the Blank
18. An experiment in which only one variable is changed is a(an) ____________________ experiment. (1 point)
(1 pt) controlled
1 /1 point
19. The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes is called ____________________. (1 point)
(1 pt) metabolism
1 /1 point
20. Neutrons and ____________________ are found in the nucleus of an atom. (1 point)
(1 pt) protons
1 /1 point
21. A chemical bond formed by the transfer of electrons is a(an) ____________________ bond. (1 point)
(1 pt) ionic
1 /1 point
22. The pH scale is a measurement system that indicates the concentration of ____________________ in solution. (1 point)
(1 pt) hydrogen ions
1 /1 point

Answer 11

this

Answer 12

you are AWESOME