Oxygen is a product of photosynthesis. The primary role of this oxygen in cellular respiration is to

act as an acceptor for electrons and hydrogen, forming water

Which set of organisms is in the correct order from Producer to Top Consumer?

Phytoplankton, Krill, Fish, Seal

Which of the following best describes a characteristic that distinguishes Fungi from other kingdoms?

Fungi are multicellular and break down dead plant and animal matter

What can be inferred about semipermeable membranes?

Substances other than water may also cross the cell membrane

Which of the following correctly explains how crossing over benefits organisms that reproduce sexually?

It increases genetic variation in offspring

Why do cells need both tRNA and mRNA?

Only tRNA bends into a shape that can carry specific amino acids

What do you predict might happen if water had a low specific heat?

Organisms that are sensitive to changes in temperature would die

Which of the following would be the best way to detect whether someone was infected with a virus, like HIV?

Check for the presence of antibodies in the blood

Doctors have confidence in what they know about how cells behave because

cell theory has been tested, refined, and observed to be true over time

Human produced Carbon Dioxide is a problem because

Leads to higher global temperatures

Why can bacteria recognize a human gene and then produce a human protein?

The basic compnents of DNA are the same in Bacteria and humans

Which of the following best describes a result of the polar nature of water molecules?

Ionic compounds dissolve easily in water

Which stage of scientific investigation did the invention of the microscope significantly advance?

Gathering the data for the investigation

The structure of the leaf best supports the process of

gas exchange for photosynthesis

What happens to pepsin (pH of 2) when it enters the stomach (pH of 7-9)?

Activity increases to digest more protein

Why is it unlikely that microspheres will ever be found on a meteorite even though lipids can form in them?

Groups of lipids will only form into microspheres when they are liquids

What does the relationship of cell theory and Hooke's light microscope suggest?

Improvements in technology are closely related to changes in cell theory

Scientific law and a scientific theory are similar in that both

represent a large amount of scientific investigation and evidence

Why does the study of cell membranes lead to a better understanding of cell function?

All materials needed for cell functions must pass through the cell membrane

involves one division cycle and results in diploid daughter cells

If a product has been proven scientifically, which should have taken place if the results are to be reliable?

Results should have been peer reviewed and repeated

Which of the following best describes the characteristic that differentiate animals from the organisms of other kingdom?

Animals have complex organ systems and reproduce sexually

What properties of water enable it to move from the roots to the leaves of the plant?

Water exhibits cohesive behavior

In which of the following ways are the fungus-like protists similar to the heterotrophic protists?

They both need to gather food from their environment

Which of the following correctly compares the functions of the vas deferens and the fallopian tubes?

Sperm travels by vas deferens, and eggs travel by the fallopian tubes

What is the primary function of the cell membrane?

Defending against foreign particles

consists of two division cycles and results in haploid gametes

How does comparing structures of two animals provide support for scientific theory of evolution?

Shows a possible common ancestor between organisms

Which event happens earliest during pregnancy?

The embryo's cartilage begins to become bone

Which equation describes what happens in photosynthesis?

6CO2 + 6H2O + energy → C6H12O6 + 6O2

Which of the following explains why people need to get a flu shot each year?

The flu virus is constantly mutating and changing

Which of the following would be most helpful in protecting the environment and achieving sustainability?

Using solar power to generate electricity

Hemophilia: sex-linked & recessive. What % of hemophilia occurs in a man who doesnt have it and a woman who is a carrier

25% chance that their sons will have hemophilia

Which statement describes how photosynthesis and cellular respiration are interrelated?

CO2 and H2O is released by cellular respiration and used for Photosynthesis

Which of the following best summarizes why the technological invention of microscopes was important to biology?

It allowed for development of the cell theory

Which of the following best explains the difference in the amount of available energy in the trophic levels of a desert?

There is less available energy in the 4th trophic level.

Which of the following best describes the difference between the functions of nucleic acids and enzymes?

Nucleic acids contain the genetic code for protein synthesis

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Questions 49

Answers

1
The sodium-potassium pump found in some cell membranes is made of which of the following?
Monosaccharides
Fatty Acids
Amino Acids
Nucleotides
2
What percentage of energy is tranferred to the next trophic level?
10%
1%
.01%
100%
3
Oxygen is a product of photosynthesis. The primary role of this oxygen in cellular respiration is to
yield energy in the form of ATP as it is passed down the respiratory chain
combine with lactate, forming pyruvate
act as an acceptor for electrons and hydrogen, forming water
combine with carbon, forming CO2
4
How many Amino Acids are formed with this sequence ATCAGTGAT?
6
9
1
3
5
Which set of organisms is in the correct order from Producer to Top Consumer?
Seal, Sea Birds, Fish, Phytoplankton
Fish, Sea Birds, Seal, Penguin
Zooplankton, Phytoplankton, Krill, Squid
Phytoplankton, Krill, Fish, Seal
6
In which of the domains would it be easiest to determine the phylogenetic relationships among organisms?
Animalia
Eukarya
Bacteria
Archaea
7
Which trophic level has the least energy?
Secondary Consumer
Top Consumer
Producer
Primary Consumer
8
Which of the following best describes a characteristic that distinguishes Fungi from other kingdoms?
Fungi are multicellular and break down dead plant and animal matter
Fungi have cell walls and specialized tissues
Fungi are able to reproduce both sexually and asexually
Fungi are eukaryotes with complex organ systems
9
What can be inferred about semipermeable membranes?
Substances other than water may also cross the cell membrane
Water enters the cell when placed in environments of high concentration
Water leaves the cell when placed in environments of low concentration
Substances other than water may block pores in the cell membrane
10
Which of the following correctly explains how crossing over benefits organisms that reproduce sexually?
It allows for fewer mutations in offspring
It increases genetic variation in offspring
It increases the number of chromosomes in offspring
It allows for adjustments in a population's sex ratio
11
Why do cells need both tRNA and mRNA?
The mRNA brings information to the nucleus for the tRNA to use
Only mRNA can be used to repair mistakes in the DNA sequence
The tRNA in used on the ribosomes and the mRNA is used in the nucleus
Only tRNA bends into a shape that can carry specific amino acids
12
Which of the following characteristics defines a cell as a eukaryote?
Being able to move
Having ribosomes
Having a nucleus
Being able to reproduce
13
What do you predict might happen if water had a low specific heat?
Flooding would occur and animals would be forced to migrate
Organisms that are sensitive to changes in temperature would die
Harmful organisms living in water would reproduce at a rapid rate
Plants would not have enough water to effectively carry out photosynthesis.
14
Which of the following would be the best way to detect whether someone was infected with a virus, like HIV?
Check for the presence of histamines in the body
Check for the presence of antibodies in the blood
Check for the presence of white blood cells in the blood
Check for an inflammatory response in the body
15
If a human and an organism share the same Amino Acid Sequences then
They are related
They are the same species
They share a common ancestor
They came from Humans
16
Doctors have confidence in what they know about how cells behave because
what we know about cell theory has been published in reputable journals
basics of cell theory have not changed much since the original experiments
medical institutions have done their own experiments proving cell theory
cell theory has been tested, refined, and observed to be true over time
17
Human produced Carbon Dioxide is a problem because
Disrupts the natural cycle of greenhouse gases
Adds too much carbon to the ocean
Leads to higher global temperatures
Causes uncontrolled photosynthesis
18
Why can bacteria recognize a human gene and then produce a human protein?
Becterial cells and human cells contain the same kind of chromosomes
The basic compnents of DNA are the same in Bacteria and humans
DNA replication in bacteria and humans is the same
Bacterial cells contain the same organelles as humans
19
Which of the following best describes a result of the polar nature of water molecules?
The volume of water decreases by nearly half when it is frozen
Water molecules repel most other substances
Ionic compounds dissolve easily in water
Water molecules repel each other
20
Which trophic level has the most energy?
Primary Consumer
Top Consumer
Secondary Consumer
Producer
21
Which stage of scientific investigation did the invention of the microscope significantly advance?
Generating explanations of phenomena
Gathering the data for the investigation
Communicating the results of experimentation
Planning the investigation and experimentation
22
The structure of the leaf best supports the process of
gas exchange for photosynthesis
Water absorption for transpiration
energy absorption for cellular reproduction
water absorption for cellular respiration
23
What happens to pepsin (pH of 2) when it enters the stomach (pH of 7-9)?
Activity increases to digest more protein
Becomes inactive
Begins to replicate
Shape changes to engulf large proteins
24
Why is it unlikely that microspheres will ever be found on a meteorite even though lipids can form in them?
Individual lipids can only begin to form microspheres when oxygens present.
Any microspheres that formed would be destroyed by the radiation in space
Groups of lipids will only form into microspheres when they are liquids
Amino acids cannot form the enzymes needed
25
What does the relationship of cell theory and Hooke's light microscope suggest?
Isolated scientists contributed pieces of the cell theory to form the whole
Improvements in technology are closely related to changes in cell theory
Scientists needed to focus less on cells and more on microscope development
Progress on the cell theory was delayed by a lack of technological progress
26
Scientific law and a scientific theory are similar in that both
represent a large amount of scientific investigation and evidence
explain why events and conditions occur as they do in the natural world
are based on what we expect to happen based on natural history
describe the events that can be observed in nature
27
Why does the study of cell membranes lead to a better understanding of cell function?
All materials needed for cell functions must pass through the cell membrane
All energy transfers occur at the cell membrane
All cell functions occur in the cell membrane
All cell membranes contain the information for making proteins
28
Mitosis:
involves one division cycle and results in diploid daughter cells
involves two division cycles and results in haploid gametes
involves two division cycles and results in diploid daughter cells
involves one division cycle and results in haploid gametes
29
According to Chemical Evolution which of the following events would need to occur FIRST for life to evolve?
Origin of genetic material
Onset of photosynthesis
Formation of the plasma membrane
Synthesis of organic molecules
30
What are the reactants for cellular respiration?
Glucose and O2
H2O and O2
Glucose and CO2
H2O and CO2
31
If a product has been proven scientifically, which should have taken place if the results are to be reliable?
The company should have held discussions with leading industry scientists.
Results of the investigation should have been published in popular magazine
Technology should have been used in gathering of data and data analysis.
Results should have been peer reviewed and repeated
32
Which of the following best describes the characteristic that differentiate animals from the organisms of other kingdom?
Animals have complex organ systems and reproduce sexually
Animals have prokaryotic cells and are multicellular
Animals have external digestion and are vertebrates
Animals have rigid cell walls and specialized tissues
33
What properties of water enable it to move from the roots to the leaves of the plant?
Water exhibits cohesive behavior
Water is able to moderate temperatures
Water is an excellent solvent
Water expands as it freezes
34
When a population reaches carrying capacity, the birth and death rates are:
Density Independent
Crashing
Relatively Equal
Density Dependent
35
In which of the following ways are the fungus-like protists similar to the heterotrophic protists?
They both can use photosynthesis if adequate sunlight is available
They both have the ability to move around using flagella or cilia as adults
They both need to gather food from their environment
They both are commonly found living in dry environments
36
Which of the following correctly compares the functions of the vas deferens and the fallopian tubes?
The vas deferens stores sperm, and the fallopian tubes store eggs
The vas deferens produces sperm, and the fallopian tubes produce eggs
Sperm leaves the body by vas deferens, and eggs leave by fallopian tubes
Sperm travels by vas deferens, and eggs travel by the fallopian tubes
37
What is the primary function of the cell membrane?
Determining genetic traits
Breaking down proteins for energy
Generating energy from mineral nutrients
Defending against foreign particles
38
Meiosis:
consists of one division cycle and results in diploid daughter cells
consists of one division cycle and results in haploid gametes
consists of two division cycles and results in diploid daughter cells
consists of two division cycles and results in haploid gametes
39
How does comparing structures of two animals provide support for scientific theory of evolution?
Provides information about the organisms habitat
Provides information to determine the organisms ages
Shows possible chromosomal similarities between organisms
Shows a possible common ancestor between organisms
40
Which event happens earliest during pregnancy?
The embryo's organs begin to function on their own
The embryo stores nutrients and minerals
The embryo reaches approximately fifteen inches in length
The embryo's cartilage begins to become bone
41
Which equation describes what happens in photosynthesis?
CO2 + O2 + H20 + energy → CH2O5
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy
6CO2 + 6H2O + energy → C6H12O6 + 6O2
C6H12O6 + H20 → CO2 + energy
42
Which of the following explains why people need to get a flu shot each year?
Antibodies for the flu virus only last for one year
There are not enough antibodies in the vaccine to kill the entire virus
The flu virus is constantly mutating and changing
The flu virus eventually breaks down the vaccine
43
Which of the following would be most helpful in protecting the environment and achieving sustainability?
Using solar power to generate electricity
Using natural gas as a fuel source instead of petroleum
Buying paper products made from harvested trees
Buying fewer mass produced products
44
Hemophilia: sex-linked & recessive. What % of hemophilia occurs in a man who doesnt have it and a woman who is a carrier
100% chance sons will have hemophilia
25% chance that their sons will have hemophilia
0% chance that daughters will have hemophilia
50% chance daughters will have hemophilia
45
Which statement describes how photosynthesis and cellular respiration are interrelated?
CO2 and H2O is released by cellular respiration and used for Photosynthesis
Glucose is used during cellular respiration and photosynthesis
Photosynthesis releases the stored energy in cellular respiration
Oxygen is produced during cellular respiration & stored for photosynthesis
46
How can two brown eyed parents have a blue eyed child?
Brown eyes is recessive
Blue eyes is dominant
Brown and Blue make green
Blue eyes is recessive
47
Which of the following best summarizes why the technological invention of microscopes was important to biology?
It proved that cells could form spontaneously
It allowed for development of the cell theory
It created public interest and support for research
It created a means of funding for cell research
48
Which of the following best explains the difference in the amount of available energy in the trophic levels of a desert?
There is less energy available in producers
There is less available energy in the 4th trophic level.
There is more energy in the second trophic level
There is more energy available in the birds of prey
49
Which of the following best describes the difference between the functions of nucleic acids and enzymes?
Nucleic acids contain the genetic code for protein synthesis
Nucleic acids inhibit biochemical reactions
Nucleic acids transmit signals that begin biochemical processes
Nucleic acids are used as the building blocks of proteins

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