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DropdownπŸ“˜ MS-LS1-7🧠 DOK 3

Question:

In the process of cellular respiration, glucose and oxygen undergo chemical reactions to form new molecules. Select the correct sequence of events that describe how food is rearranged through these reactions to support the growth and release energy in an organism.

Answer Choices:

  • A) Glucose and oxygen react to form carbon dioxide, water, and ATP.
  • B) Glucose is broken down into oxygen, which combines with carbon dioxide to form ATP.
  • C) Oxygen is converted into glucose and water, releasing carbon dioxide and energy.
  • D) Carbon dioxide and water are rearranged to form glucose, releasing energy.
βœ… Answer:
Glucose and oxygen react to form carbon dioxide, water, and ATP.

πŸ’‘ Explanation:

  • In cellular respiration, glucose and oxygen are the reactants that undergo chemical reactions in the mitochondria of cells.
  • These reactions form carbon dioxide, water, and ATP (adenosine triphosphate), which provides energy for cellular processes and supports growth.

Standard: MS-LS1-7 | DOK: 3

Recent Questions

Short answerπŸ“˜ G.CO.A.5🧠 DOK 4

Question:

Consider a triangle ABC with vertices A(1, 2), B(4, 3), and C(3, 5). Perform the following transformations in sequence: 1) Reflect the triangle over the x-axis. 2) Rotate the reflected triangle 90 degrees counterclockwise about the origin. 3) Translate the resulting triangle 3 units right and 2 units down. Draw the final transformed triangle and specify the sequence of transformations that map triangle ABC onto the final triangle.

βœ… Answer:
After performing the listed transformations on triangle ABC, the final vertices of the transformed triangle are A'(-5, -1), B'(-6, -4), and C'(-8, -3). The sequence of transformations is: 1) Reflect over the x-axis, 2) Rotate 90 degrees counterclockwise about the origin, 3) Translate 3 units right and 2 units down.

πŸ’‘ Explanation:

  • To find the final position of triangle ABC after the transformations: \n1) Reflecting over the x-axis changes the vertices to A(1, -2), B(4, -3), C(3, -5).\n2) Rotating 90 degrees counterclockwise about the origin changes the vertices to A'(2, 1), B'(3, 4), C'(5, 3).\n3) Translating 3 units right and 2 units down results in A'(-5, -1), B'(-6, -4), C'(-8, -3).\nThis sequence effectively maps the original triangle ABC to the final transformed triangle.

Standard: G.CO.A.5 | DOK: 4

Multiple selectπŸ“˜ 7.NS.A.2🧠 DOK 3

Question:

Select all the expressions below that correctly represent the division of two rational numbers and simplify to a rational number.

Answer Choices:

  • A)

    A. \( \frac{2}{3} \div \frac{4}{5} = \frac{5}{6} \)

  • B)

    B. \( -\frac{7}{8} \div \frac{1}{2} = -\frac{7}{4} \)

  • C) C. \( 3.6 \div 1.2 = 3 \)
  • D) D. \( -6 \div (-2) = -3 \)
  • E)

    E. \( \frac{5}{9} \div \frac{3}{2} = \frac{10}{27} \)

βœ… Answer:
A, B, C, E

πŸ’‘ Explanation:

  • To divide rational numbers, you multiply by the reciprocal of the divisor.

  • - For choice A, 23Γ·45 \frac{2}{3} \div \frac{4}{5} simplifies to 23Γ—54=1012=56 \frac{2}{3} \times \frac{5}{4} = \frac{10}{12} = \frac{5}{6} .

  • - For choice B, βˆ’78Γ·12 -\frac{7}{8} \div \frac{1}{2} simplifies to βˆ’78Γ—2=βˆ’148=βˆ’74 -\frac{7}{8} \times 2 = -\frac{14}{8} = -\frac{7}{4} .

  • - For choice C, dividing 3.6 by 1.2 gives 3.

  • - Choice D is incorrect because dividing two negative numbers should give a positive result, so βˆ’6Γ·(βˆ’2)=3 -6 \div (-2) = 3 .

  • - For choice E, 59Γ·32 \frac{5}{9} \div \frac{3}{2} simplifies to 59Γ—23=1027 \frac{5}{9} \times \frac{2}{3} = \frac{10}{27} .

Standard: 7.NS.A.2 | DOK: 3

DropdownπŸ“˜ MS-ESS3-1🧠 DOK 3

Question:

Which of the following statements explains how geoscience processes have resulted in the uneven distribution of a specific natural resource?

Answer Choices:

  • A) Coal deposits are evenly distributed across the world due to uniform ancient plant growth.
  • B) Oil reserves are primarily found in regions that were once ancient seas due to the accumulation of marine organisms.
  • C) Groundwater is uniformly available because it is replenished equally by rainfall across all regions.
  • D) Gold deposits are found evenly across the world because they form through common volcanic processes.
βœ… Answer:
Oil reserves are primarily found in regions that were once ancient seas due to the accumulation of marine organisms.

πŸ’‘ Explanation:

  • Oil reserves are primarily found in regions that were once ancient seas because these areas had significant accumulations of marine organisms.
  • Over millions of years, these organisms were buried under layers of sediment, subjected to heat and pressure, and transformed into oil.
  • This process explains the uneven distribution of oil reserves, as it is specific to certain geologic conditions and histories.

Standard: MS-ESS3-1 | DOK: 3

Multiple choiceπŸ“˜ 6.1.8.HistoryCC.5.e🧠 DOK 2

Question:

How did President Lincoln's approach to the Reconstruction of the South differ from that of President Johnson and Congress?

Answer Choices:

  • A) Lincoln advocated for a lenient approach focused on rapid reunification, while Johnson and Congress emphasized harsher measures.
  • B) Lincoln and Congress both supported harsh measures, while Johnson advocated for leniency.
  • C) Lincoln and Johnson both favored lenient policies, but Congress insisted on strict measures.
  • D) Lincoln wanted to punish the South, while Johnson and Congress sought to reunify swiftly.
βœ… Answer:
Lincoln advocated for a lenient approach focused on rapid reunification, while Johnson and Congress emphasized harsher measures.

πŸ’‘ Explanation:

  • President Lincoln favored a lenient approach to quickly bring Southern states back into the Union, exemplified by his Ten Percent Plan.
  • President Johnson initially continued this lenient approach but eventually faced opposition from Congress, which pushed for stricter measures such as the Reconstruction Acts to ensure civil rights for freed slaves and to reshape Southern society.

Standard: 6.1.8.HistoryCC.5.e | DOK: 2

Multiple selectπŸ“˜ 7.SP.B.3🧠 DOK 3

Question:

A school is analyzing the test scores of two different classes, Class A and Class B, to understand their performance in mathematics. Class A has a mean test score of 78 with a standard deviation of 5, while Class B has a mean test score of 75 with a standard deviation of 10. Based on this information, which statements are true about the test scores of these two classes? Select all that apply.

Answer Choices:

  • A) Class A's scores are generally closer to the mean compared to Class B's scores.
  • B) Class B's scores are more spread out than Class A's scores.
  • C) Class A has a higher mean score than Class B.
  • D) The test scores of Class A and Class B have the same variability.
  • E) Class B's scores have less variability than Class A's scores.
βœ… Answer:
Class A's scores are generally closer to the mean compared to Class B's scores.; Class B's scores are more spread out than Class A's scores.; Class A has a higher mean score than Class B.

πŸ’‘ Explanation:

  • Class A has a higher mean score (78) compared to Class B (75), indicating that Class A generally performed better.

  • The standard deviation of Class A (5) is smaller than that of Class B (10), indicating that Class A's scores are closer to the mean and less spread out, while Class B's scores are more spread out and have higher variability.

Standard: 7.SP.B.3 | DOK: 3

DropdownπŸ“˜ G.GPE.B.6🧠 DOK 2

Question:

A line segment has endpoints A(1, 2) and B(5, 10). Find the coordinates of the point that divides the segment AB in the ratio 3:1.

Answer Choices:

  • A) (4, 8)
  • B) (3.5, 7)
  • C) (2.5, 5.5)
  • D) (2, 4)
βœ… Answer:
(4, 8)

πŸ’‘ Explanation:

  • To find the point that divides the segment AB in the ratio 3:1, use the section formula: (mx2+nx1)/(m+n),(my2+ny1)/(m+n)(mx_2 + nx_1) / (m+n), (my_2 + ny_1) / (m+n).

  • Here, m = 3, n = 1, A(1, 2), and B(5, 10).

  • The coordinates are (3*5 + 1*1)/4, (3*10 + 1*2)/4 = (16/4, 32/4) = (4, 8).

Standard: G.GPE.B.6 | DOK: 2

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