What is the main difference between a hypothesis and a theory in scientific research?(1 point)

Question

Responses

A hypothesis can never be modified, whereas a theory is subject to change with new evidence.
A hypothesis can never be modified, whereas a theory is subject to change with new evidence.

A hypothesis is a tentative explanation that can be tested by experiments, while a theory is a well-substantiated explanation based on a body of evidence.
A hypothesis is a tentative explanation that can be tested by experiments, while a theory is a well-substantiated explanation based on a body of evidence.

A hypothesis is a general principle that explains a wide range of phenomena, while a theory is a specific prediction about the outcome of an experiment.
A hypothesis is a general principle that explains a wide range of phenomena, while a theory is a specific prediction about the outcome of an experiment.

A hypothesis is a well-substantiated explanation of natural phenomena, while a theory is an educated guess that needs to be tested.
A hypothesis is a well-substantiated explanation of natural phenomena, while a theory is an educated guess that needs to be tested.
Question 2
What part of the scientific method is most likely to lead to changes in a theory?(1 point)
Responses

Problem
Problem

Results
Results

Methods
Methods

Hypothesis
Hypothesis
Question 3
What is the primary building block of proteins?(1 point)
Responses

Amino acids
Amino acids

Monosaccharides
Monosaccharides

Fatty acids
Fatty acids

Nucleotides
Nucleotides
Question 4
What is the main function of enzymes in biological systems?(1 point)
Responses

To provide energy
To provide energy

To act as structural components
To act as structural components

To speed up chemical reactions
To speed up chemical reactions

To store genetic information
To store genetic information
Question 5
What is the main function of carbohydrates in the body?(1 point)
Responses

Form cell membranes
Form cell membranes

Store genetic information
Store genetic information

Catalyze chemical reactions
Catalyze chemical reactions

Provide energy
Provide energy
Question 6
(1 point)
Viruses are often considered non-living entities because they
Question 7
Identify the organelles labeled in the image, using the word bank provided.(5 points)
Drop target 1
Drop target 2
Drop target 3
Drop target 4
Drop target 5
Question 8
Which systems are primarily involved in protecting the body from pathogens?(1 point)
Responses

Nervous and digestive
Nervous and digestive

Circulatory and respiratory
Circulatory and respiratory

Skeletal and muscular
Skeletal and muscular

Immune and integumentary
Immune and integumentary
Question 9
A virus that is actively copying its nucleic acid and then bursting the host cell is undergoing what type of reproduction(1 point)
Responses

Mitosis
Mitosis

Lysogenic
Lysogenic

Lytic
Lytic

Binary fission
Binary fission
Question 10
Place the following phases of mitosis in chronological order from beginning to end.(1 point)
Arrange responses in the correct order to answer the question. Select a response, navigate to the desired position and insert response at that position. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can be moved using the up and down arrow keys or by dragging with a mouse.
Question 11
During which phase of the cell cycle does DNA replication occur?(1 point)
Responses

G2 phase
G2 phase

M phase
M phase

G1 phase
G1 phase

S phase
S phase
Question 12
Complete the statement below, using the word bank provided.(1 point)
The movement of water molecules from an area of higher concentration to an area of lower concentration is called
.
Question 13
Complete the statement below, using the word bank provided.(1 point)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
The phase of mitosis characterized by the lining up of chromosomes along the middle of the cell is known as Response area.
Question 14
Which organelle is primarily responsible for photosynthesis in plant cells?(1 point)
Responses

Chloroplast
Chloroplast

Nucleus
Nucleus

Mitochondria
Mitochondria

Golgi apparatus
Golgi apparatus
Question 15
Identify the reactants and products for photosynthesis.(4 points)
Reactant Product
Water (H2O)

Glucose (C6H12O6)

Carbon Dioxide (CO2)

Oxygen (O2)

Question 16
What is cellular respiration?(1 point)
Responses

The process by which cells produce glucose
The process by which cells produce glucose

The process by which cells divide and replicate
The process by which cells divide and replicate

The process by which cells break down glucose to release energy
The process by which cells break down glucose to release energy

The process by which cells synthesize proteins
The process by which cells synthesize proteins
Question 17
Which of the following is the complementary DNA strand for this original strand?

ATC GCT AAT

(1 point)
Responses

GCT ATC GGC
GCT ATC GGC

TAG CGA TTA
TAG CGA TTA

ATC GCT AAT
ATC GCT AAT

UAG CGA UUA
UAG CGA UUA
Question 18
Label the parts of the DNA in the image below using the word bank provided. The parts you will label are the blue, pink, and yellow structures only.(3 points)
Drop target 1
Drop target 2
Drop target 3
Question 19
What is happening in translation?(1 point)
Responses

Information from mRNA is used to produce proteins.
Information from mRNA is used to produce proteins.

RNA is replicated
RNA is replicated

DNA is transferred from one organism to another
DNA is transferred from one organism to another

Lipids in cells are synthesized
Lipids in cells are synthesized
Question 20
Complete the statement below, using the word bank provided.(1 point)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
DNA contains the nitrogenous base Response area, which is replaced by Response area in RNA.
Question 21
According to the chart below, what codon represents the amino acid Histidine (His)?

(1 point)
Responses

GGA
GGA

CAU
CAU

AAU
AAU

UUC
UUC
Question 22
In pea plants, tall plants (T) are dominant over short plants (t). If a heterozygous tall pea plant is crossed with a homozygous recessive short pea plant, what percentage of the offspring is expected to be tall? (HINT: set up a Punnett Square).(1 point)
Responses

0%
0%

25%
25%

50%
50%

75%
75%
Question 23
Identify the mutations in the image below, using the word bank provided.(3 points)
Drop target 1
Drop target 2
Drop target 3
Question 24
If a black chicken (BB) is crossed with a white chicken (WW) and incomplete dominance is observed, what are the expected phenotypes of the offspring(1 point)
Responses

All white
All white

All gray
All gray

All red
All red

All black
All black
Question 25
Which phase of mitosis is represented by the image below?

(1 point)
Responses

Prophase
Prophase

Anaphase
Anaphase

Telophase
Telophase

Metaphase
Metaphase
Question 26
Which of the following scenarios is mitosis in action?(1 point)
Responses

A virus undergoing the lytic cycle.
A virus undergoing the lytic cycle.

A sperm cell fusing with an egg cell.
A sperm cell fusing with an egg cell.

A liver cell preparing to produce enzymes.
A liver cell preparing to produce enzymes.

A skin cell repairing itself after a cut.
A skin cell repairing itself after a cut.
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Answer 1

Here are the answers to your provided questions:

Question 1

What is the main difference between a hypothesis and a theory in scientific research?

• Answer: A hypothesis is a tentative explanation that can be tested by experiments, while a theory is a well-substantiated explanation based on a body of evidence.

Question 2

What part of the scientific method is most likely to lead to changes in a theory?

• Answer: Results

Question 3

What is the primary building block of proteins?

• Answer: Amino acids

Question 4

What is the main function of enzymes in biological systems?

• Answer: To speed up chemical reactions

Question 5

What is the main function of carbohydrates in the body?

• Answer: Provide energy

Question 6

Viruses are often considered non-living entities because they

• Answer: They cannot reproduce on their own and need a host cell to replicate.

Question 7

Identify the organelles labeled in the image, using the word bank provided.

• (This question requires an image, so I cannot provide an answer.)

Question 8

Which systems are primarily involved in protecting the body from pathogens?

• Answer: Immune and integumentary

Question 9

A virus that is actively copying its nucleic acid and then bursting the host cell is undergoing what type of reproduction?

• Answer: Lytic

Question 10

Place the following phases of mitosis in chronological order from beginning to end.

• (This question requires specific phases, so I cannot provide an answer without knowing the terms.)

Question 11

During which phase of the cell cycle does DNA replication occur?

• Answer: S phase

Question 12

Complete the statement below, using the word bank provided. The movement of water molecules from an area of higher concentration to an area of lower concentration is called

• Answer: Osmosis.

Question 13

The phase of mitosis characterized by the lining up of chromosomes along the middle of the cell is known as

• Answer: Metaphase.

Question 14

Which organelle is primarily responsible for photosynthesis in plant cells?

• Answer: Chloroplast

Question 15

Identify the reactants and products for photosynthesis.

• Water (H2O) → Product: Glucose (C6H12O6)
• Carbon Dioxide (CO2) → Product: Oxygen (O2)

Question 16

What is cellular respiration?

• Answer: The process by which cells break down glucose to release energy.

Question 17

Which of the following is the complementary DNA strand for this original strand? ATC GCT AAT

• Answer: TAG CGA TTA

Question 18

Label the parts of the DNA in the image below using the word bank provided.

• (This question requires an image, so I cannot provide an answer.)

Question 19

What is happening in translation?

• Answer: Information from mRNA is used to produce proteins.

Question 20

DNA contains the nitrogenous base Response area, which is replaced by Response area in RNA.

• Answer: Thymine (T) in DNA is replaced by Uracil (U) in RNA.

Question 21

According to the chart below, what codon represents the amino acid Histidine (His)?

• Answer: CAU

Question 22

In pea plants, tall plants (T) are dominant over short plants (t). If a heterozygous tall pea plant is crossed with a homozygous recessive short pea plant, what percentage of the offspring is expected to be tall?

• Answer: 50%

Question 23

Identify the mutations in the image below, using the word bank provided.

• (This question requires an image, so I cannot provide an answer.)

Question 24

If a black chicken (BB) is crossed with a white chicken (WW) and incomplete dominance is observed, what are the expected phenotypes of the offspring?

• Answer: All gray

Question 25

Which phase of mitosis is represented by the image below?

• (This question requires an image, so I cannot provide an answer.)

Question 26

Which of the following scenarios is mitosis in action?

• Answer: A skin cell repairing itself after a cut.

If you need further assistance or personalized explanations on any of the questions, feel free to ask!