Question 2

Question

Question 2
A) Raul had scraped his knee and then noticed it had almost healed after a week. Raul was
wondering how the skin was able to heal like new! Which statement is NOT accurate in detailing
how Mitosos plays a role? (1 point)
Mitosis is the process of cell division and is responsible for cell growth- except in sexual reproduction
Mitosis is responsible for replacing damaged cells from injury
DNA is duplicated into 4 daughter cells with half the number of chromosomes
DNA is duplicated in each cell that undergoes mitosis so that gene expression can match that of the
non-injured skin
 
Question 3

Mitosis
Cell Growth
Interphase
DNA Duplication
A)
Use this diagram to match the cell cycle phase with the best answer
(1 point)
 G1 takes about 10 hours  where cell division occurs  S takes about 8 hours
 G1 + S +G2 =

Question 4
A) What is the significance of the G1 phase in the cell cycle? (1 point)
It marks the end of the cell cycle.
It prepares the cell for mitosis.
It is when DNA is replicated.
It is a period of cell growth and normal function.

Question 5
A)
Based on your observations, how many cells are in anaphase?
(1 point)
10
41
14
19

Question 6
Question 7
A) Which phase of mitosis is characterized by the alignment of chromosomes at the cell's
equatorial plane? (1 point)
Prophase
Metaphase
Anaphase
Telophase
A) Which process allows a mammal to continue to grow in size? (1 point)
mitosis of gametes
mitosis of somatic cells
meiosis of gametes
meiosis of somatic cells

Question 8
A)
Which type of cell is shown in the figure?
(1 point)
polyploid cell- more than two sets of paired chromosomes
triploid cell- three sets of paired chromosomes
diploid cell- two sets of paired chromosomes
haploid cell- single set of unpaired chromosomes

Question 9
A) How is cell differentiation different than mitosis? (1 point)
Cell differentiation does not cause proliferation
Cell differentiation produces cells with different DNA
Cell differentiation produces cells with different gene expressions
Cell differentiation only occurs after a wound

Question 10
A)
What is the importance of microtubules in cell division?
(1 point)
They start the process of cytokinesis
They provide a pathway for organelles to move into the newly formed cell
They reform the nucleus in the divided cell
They organize and pull apart the chromosomes

Question 11
A)
A photomicrograph of cells involved in various stages of nuclear division is shown below.
Which title would be most appropriate for this photomicrograph?
(1 point)
Cell Division in Human Blood Cells
Mitosis in an Onion Root Tip
Meiosis in Male Gametes
Gametogenesis in Yeast Cells

Question 12
Question 13
A) A scientist is studying a group of rapidly dividing cells under a microscope and observes that
some cells contain double the normal amount of DNA. Based on your understanding of the cell
cycle, which phase are these cells most likely in? (1 point)
G1 phase
S phase
G2 phase
Cytokinesis
A)
When scientists and doctors are looking to heal wounds and cure diseases, stem cells are a great
option because they can repair damage and grow new specialized cells. From the list below,
embryonic stem cells would be the best option for healing the widest variety of diseases.
small intestine stem cells                                   embryonic stem cells
skin stem cells                                                   bone marrow stem cells
(1 point)
True
False

Question 14
Question 15
A) A researcher wants to design a drug that targets rapidly dividing cancer cells by disrupting
spindle fiber formation. Which phase of mitosis would the drug affect first and what would be the
expected effect? (1 point)
Prophase; the chromosomes would fail to condense properly.
Metaphase; the chromosomes would fail to align at the equator.
Anaphase; the sister chromatids would not separate.
Telophase; the nuclear envelope would fail to reform.
A) Mitosis is NOT described as (1 point)
taking one cell and replicating it into two genetically unique cells
a part of the cell cycle that ends in cytokinesis
creating 2 diploid cells
taking one cell and replicating it into two genetically identical cells

Question 16
A)
The diagram below shows the growth pattern of skin cells in the human body after they have been
exposed to ultraviolet radiation.
What do the cells in area X most likely represent?
(1 point)
red blood cells
white blood cells
cancer cells
sex cells

Question 17
Question 18
A) Which statement is NOT correct when comparing mitochondria with the nucleus and the role
DNA plays for both organelles. (1 point)
Mitochondria are smaller than nuclei and contain enzymes required for energy production
The nucleus is the genetic storage organelle, protecting DNA from damage
All the DNA material in a cell remains in the nucleus
Mitochondria need to keep some DNA to replicate independently of the cell to provide energy for the
cell division process
A)
Two different species of bacteria are  examined.  
Scientists find that Species X always produces CO and H O during cellular respiration.  
Species Y always produces ethyl alcohol and CO .  
Which conclusion can be made from these observations?
(1 point)
2 2
2
Only Species Y is aerobic.
Only Species Y is anaerobic.
Both Species X and Y are aerobic.
Both Species X and Y are anaerobic.

Question 19
Question 20
Step 1
Step 2
Step 3
Step 4
A) Order the steps of Protein Synthesis (1 point)
A) In what way do the products of photosynthesis serve as reactants in cellular
respiration? (1 point)
Oxygen and glucose are consumed during cellular respiration
Glucose and oxygen are produced during cellular respiration
ATP is produced during photosynthesis
Carbon dioxide and water are produced during photosynthesis
 Ribosome attaches to the mRNA  DNA strand unwinds between the base pairs
 Amino acids are linked together with peptide bonds
 tRNA attaches amino acids to the mRNA strand

Question 21
molecules move with concentration
gradient
uses a sodium/potassium pump
diffusion
endocytosis
A) Read each description and decide if it is active or passive transport. (4 points)
 passive transport  active transport

Question 22
Ribosomes
Golgi Apparatus
Mitochondria
Nucleus
Endoplasmic Reticulum
A) Match the cell organelles to their functions (1 point)
 synthesis, folding and transport of protein  packages and transports proteins in the cell
 creates energy for the cell as part of cellular respiration
 decodes the sequence of bases on the mRNA and creates specific protein
 stores genetic material a cell needs to function

Question 23
Question 24
A) What distinguishes prokaryotic cells from eukaryotic cells? (1 point)
Presence of DNA
Presence of membrane-bound organelles
Presence of ribosomes
Ability to reproduce
A) Which of the following is a correct pairing of a macromolecule with its monomer? (1 point)
Lipid - Amino acid
Nucleic acid - Fatty acid
Protein - Nucleotide
Carbohydrate - Monosaccharide

Question 25
A)
This table summarizes the four main types of biomolecules found in living organisms. Each
biomolecule has a specific structure and function that plays a critical role in biological processes.
Understanding these biomolecules is fundamental in the study of biology and life sciences.
Which of the following is NOT a function of proteins?
(1 point)
Enzymatic catalysis
Building structural support
Cell signaling
Repair damage

Question 26
Question 27
A)
In a portion of a gene, the nitrogenous base sequence is T-C-G-A-A-T.
Which nitrogenous base sequence would normally be found bonded to this section of the gene?
(1 point)
A-C-G-T-A-A
A-C-G-U-U-A
A-G-C-T-T-A
U-G-C-A-A-U
A) How does cytokinesis differ from mitosis? (1 point)
Cytokinesis occurs before mitosis.
Cytokinesis divides the cytoplasm, while mitosis divides the nucleus.
Cytokinesis only occurs in plant cells.
Cytokinesis is a phase of mitosis.

GPT-4o mini · Answer

Here are the answers to your questions based on the provided information:

Question 2
Which statement is NOT accurate in detailing how Mitosis plays a role?
Answer: DNA is duplicated into 4 daughter cells with half the number of chromosomes.
Explanation: Mitosis results in 2 daughter cells, each with the same number of chromosomes as the original cell, not 4.

Question 3
Use this diagram to match the cell cycle phase with the best answer.
Answer: G1 + S + G2 = Cell Growth
Explanation: G1, S, and G2 are all phases of the cell cycle related to cell growth and preparation for mitosis.

Question 4
What is the significance of the G1 phase in the cell cycle?
Answer: It is a period of cell growth and normal function.
Explanation: G1 phase is primarily focused on cell growth and normal metabolic functions.

Question 5
Based on your observations, how many cells are in anaphase?
Answer: This question cannot be answered without additional context or a diagram showing the cells in different stages.

Question 6
Which phase of mitosis is characterized by the alignment of chromosomes at the cell's equatorial plane?
Answer: Metaphase
Explanation: In metaphase, chromosomes align at the cell's equatorial plane.

Question 7
Which process allows a mammal to continue to grow in size?
Answer: mitosis of somatic cells
Explanation: Mitosis of somatic cells leads to growth and tissue repair in mammals.

Question 8
Which type of cell is shown in the figure?
Answer: This question cannot be answered without additional context or a figure showing the cells.

Question 9
How is cell differentiation different than mitosis?
Answer: Cell differentiation produces cells with different gene expressions.
Explanation: Differentiation results in cells that have specialized functions and characteristics, unlike simple cell division.

Question 10
What is the importance of microtubules in cell division?
Answer: They organize and pull apart the chromosomes.
Explanation: Microtubules are essential for the proper segregation of chromosomes during mitosis.

Question 11
Which title would be most appropriate for this photomicrograph?
Answer: Mitosis in an Onion Root Tip
Explanation: Onion root tips are commonly used to observe mitosis due to their rapid cell division.

Question 12
Which phase are these cells most likely in?
Answer: S phase
Explanation: The S phase is when DNA is replicated, leading to cells containing double the normal amount of DNA.

Question 13
From the list below, embryonic stem cells would be the best option for healing the widest variety of diseases.
Answer: True
Explanation: Embryonic stem cells have greater potential for differentiation compared to other stem cells.

Question 14
A researcher wants to design a drug that targets rapidly dividing cancer cells by disrupting spindle fiber formation. Which phase of mitosis would the drug affect first?
Answer: Metaphase; the chromosomes would fail to align at the equator.
Explanation: Disruption of spindle fibers would prevent alignment in metaphase.

Question 15
Mitosis is NOT described as:
Answer: taking one cell and replicating it into two genetically unique cells.
Explanation: Mitosis produces genetically identical cells, not unique ones.

Question 16
What do the cells in area X most likely represent?
Answer: cancer cells
Explanation: If there is evidence of abnormal growth or characteristics, they may represent cancer cells.

Question 17
Which statement is NOT correct when comparing mitochondria with the nucleus?
Answer: Mitochondria need to keep some DNA to replicate independently of the cell to provide energy for the cell division process.
Explanation: Mitochondrial DNA is important for cellular functions, but they don't replicate just to provide energy for division.

Question 18
Which conclusion can be made from the observations of Species X and Y?
Answer: Only Species Y is anaerobic.
Explanation: Species X produces only CO2 and H2O, which suggests aerobic respiration, while Species Y produces alcohol and CO2, indicating anaerobic respiration.

Question 19
Order the steps of Protein Synthesis:
Answer:

DNA strand unwinds between the base pairs
Ribosome attaches to the mRNA
tRNA attaches amino acids to the mRNA strand
Amino acids are linked together with peptide bonds

Question 20
In what way do the products of photosynthesis serve as reactants in cellular respiration?
Answer: Oxygen and glucose are consumed during cellular respiration.
Explanation: Cellular respiration uses oxygen and glucose, which are the products of photosynthesis.

Question 21
Read each description and decide if it is active or passive transport.
Active transport or Passive transport based on provided descriptions must be assessed contextually for accuracy.

Question 22
Match the cell organelles to their functions:

Endoplasmic Reticulum → synthesis, folding and transport of protein
Golgi Apparatus → packages and transports proteins in the cell
Mitochondria → creates energy for the cell as part of cellular respiration
Ribosomes → decodes the sequence of bases on the mRNA and creates specific protein
Nucleus → stores genetic material a cell needs to function

Question 23
What distinguishes prokaryotic cells from eukaryotic cells?
Answer: Presence of membrane-bound organelles.
Explanation: Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Question 24
Which of the following is a correct pairing of a macromolecule with its monomer?
Answer: Carbohydrate - Monosaccharide
Explanation: Carbohydrates are made up of monosaccharides.

Question 25
Which of the following is NOT a function of proteins?
Answer: Repair damage
Explanation: While proteins may play a role in repair, it's not their primary function compared to enzymatic activity or structural support.

Question 26
In a portion of a gene, the nitrogenous base sequence is T-C-G-A-A-T. Which nitrogenous base sequence would normally be found bonded to this section of the gene?
Answer: A-G-C-T-T-A.
Explanation: The sequence complements: A to T, C to G.

Question 27
How does cytokinesis differ from mitosis?
Answer: Cytokinesis divides the cytoplasm, while mitosis divides the nucleus.
Explanation: Mitosis involves the separation of genetic material, while cytokinesis involves the physical division of the cytoplasm.

Feel free to ask if you have further questions or need clarification on any of the answers!