SCI 115 MIDTERM EXAM: CHAPTERS 1–9

QUESTION 1
  1. ​The plasma membrane is composed mostly of ____.
a. ​phospholipids
b. ​cholesterol
c. ​triglycerides
d. ​steroids
e. ​sphingolipids

5 points   

QUESTION 2

  1. When chlorophyll absorbs light energy, ____.
a. chlorophyll is converted to carotene
b. the molecules begin to move more rapidly
c. the plant becomes radioactive
d. electrons jump to a higher energy level
e. the molecules become ionized

5 points   

QUESTION 3

  1. In eukaryotes, DNA is transcribed in the _____.​
a. ​mitochondria
b. ​cytoplasm
c. ​ribosomes
d. ​nucleus
e. ​endoplasmic reticulum

5 points   

QUESTION 4

  1. New alleles arise by _____.​
a. ​crossing over
b. ​mutation
c. ​independent assortment
d. ​sexual reproduction
e. ​asexual reproduction

5 points   

QUESTION 5

  1. Mutations in genes that control _____ are likely to cause cancer.​
a. ​phenotype expression
b. ​metabolism
c. ​ribosomal proteins
d. ​cell cycle checkpoints
e. ​telomere shortening

5 points   

QUESTION 6

  1. Cells with two of each kind of chromosome are _____.​
a. ​aneuploid
b. ​diploid
c. ​triploid
d. ​haploid
e. ​tetraploid

5 points   

QUESTION 7

  1. How many nucleotides comprise one codon?​
a. ​2
b. ​3
c. ​5
d. ​6
e. ​16

5 points   

QUESTION 8

  1. ​Which organelle functions in the recapture of energy from organic compounds?
a. ​Golgi body
b. ​mitochondria
c. ​lysosome
d. ​ribosome
e. ​endoplasmic reticulum

5 points   

QUESTION 9

  1. The nucleus of an atom contains ____.​
a. ​protons only
b. ​electrons only
c. ​neutrons only
d. ​protons and neutrons
e. protons and electrons

5 points   

QUESTION 10

  1. Glycolysis converts glucose into ____.
a. pigments
b. organic compounds
c. proteins
d. electrons and protons
e. heat energy

5 points   

QUESTION 11

  1. A parent cell with 12 chromosomes will produce daughter cells with _____ chromosomes by mitosis.​
a. ​48
b. ​24
c. ​12
d. ​6
e. ​3

5 points   

QUESTION 12

  1. The products of light-dependent reactions of photosynthesis are ____.
a. used in light-independent reactions
b. complex carbohydrates and proteins
c. stored in the vacuoles of the cell
d. oxygen and glucose
e. used in the light-independent reactions and stored in the vacuoles of the cell

5 points   

QUESTION 13

  1. ​If a protein or molecule is taken up by the cell and must be digested, to which cellular structure is it sent?
a. ​the mitochondria
b. ​the lysosome
c. ​the rough endoplasmic reticulum
d. ​the smooth endoplasmic reticulum
e. ​the Golgi body

5 points   

QUESTION 14

  1. The harvesting of energy from glucose to make ATP happens during ____.
a. glycolysis
b. photosynthesis
c. cellular respiration
d. fermentation
e. chemosynthesis

5 points   

QUESTION 15

  1. When viewing a cell culture under a microscope, most cells would be in which phase of cell cycle?​
a. ​telophase
b. ​interphase
c. ​metaphase
d. ​cytokinesis
e. ​prophase

5 points   

QUESTION 16

  1. Each DNA strand serves as a _____during DNA synthesis.
a. ​replicate
b. ​substitute
c. ​template
d. ​source of nucleotides
e. ​primer

5 points   

QUESTION 17

  1. The chemical reactions that cells use to acquire and use energy to live, grow, and reproduce are called ____.
a. hydrolysis
b. condensation
c. phosphorylation
d. metabolism
e. oxidation

5 points   

QUESTION 18

  1. The structure of a DNA molecule is analogous to a _____.​
a. ​paper clip
b. ​ladder
c. ​fork
d. ​rope
e. ​coiled spring

5 points   

QUESTION 19

  1. Meiosis produces _____.​
a. ​sperm cells
b. ​egg cells
c. ​body cells
d. ​sperm and egg cells
e. ​sperm, egg, and body cells

5 points   

QUESTION 20

  1. ​A series of enzyme-mediated reactions by which cells build, remodel, or break down organic molecules is known as ____.
a. ​energy carriers
b. ​metabolic pathways
c. ​the induced-fit model
d. ​intermediary compounds
e. ​activation

 

Calculate the price of your order

Simple Order Process

Fill in the Order Form

Share all the assignment information. Including the instructions, provided reading materials, grading rubric, number of pages, the required formatting, deadline, and your academic level. Provide any information and announcements shared by the professor. Choose your preferred writer if you have one.

Get Your Order Assigned

Once we receive your order form, we will select the best writer from our pool of experts to fit your assignment.

Share More Data if Needed

You will receive a confirmation email when a writer has been assigned your task. The writer may contact you if they need any additional information or clarifications regarding your task

Let Our Essay Writer Do Their Job

Once you entrust us with your academic task, our skilled writers embark on creating your paper entirely from the ground up. Through rigorous research and unwavering commitment to your guidelines, our experts meticulously craft every aspect of your paper. Our process ensures that your essay is not only original but also aligned with your specific requirements, making certain that the final piece surpasses your expectations.

Quality Checks and Proofreading

Upon the completion of your paper, it undergoes a meticulous review by our dedicated Quality and Proofreading department. This crucial step ensures not only the originality of the content but also its alignment with the highest academic standards. Our seasoned experts conduct thorough checks, meticulously examining every facet of your paper, including grammar, structure, coherence, and proper citation. This comprehensive review process guarantees that the final product you receive not only meets our stringent quality benchmarks but also reflects your dedication to academic excellence.

Review and Download the Final Draft

If you find that any part of the paper does not meet the initial instructions, send it back to us with your feedback, and we will make the necessary adjustments.