Answer:
Subunit vaccines are composed of a part of the virus particle responsible for inducing protective immunity. A subunit vaccine produced by recombinant DNA techniques would provide an efficient and inexpensive alternative method for the control of this commercially important disease.
Water as deep as ___ is still affected by the wind at the Earth’s surface
A) 60 m B) 250 C) 400 m D) 700 m
Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, the correct option is option A.
What is matter?Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.
Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.
So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter. Water as deep as 60 m is still affected by the wind at the earth’s surface.
Therefore, the correct option is option A.
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Alice is studying biological molecules. She has isolated a molecule and identified the nucleotide bases adenine, cytosine, guanine, and thymine. Which molecule did Alice isolate?
Answer:
DNA
Explanation:
I know this from learning it in school
Which is a result of selective breeding?
a. Large seedless watermelons that consumer demand.
b. Oranges that are all different sizes and colors.
c. An insect that can carry ten times its body weight.
d. A bird that catch prey with its beak.
Answer:
a. Large seedless watermelons that consumer demand.
Explanation:
The Large watermelons are bred based on consumer demand.
Which of the following statements is accurate?
Choose 1 answer:
A Species Y and Species Z can
interbreed.
Species A and Z share a recent common ancestor.
Species A and Species Y are the same.
Species X evolved from Species Y.
Stuck? Watch a video or use a hint.
Reporta problem
Answer: Species A and Species Y are the same
Explanation: Good luck! :D
Which fuel source gives energy to all the activities of cells in all organisms on earth?
glucose
DNA
ATP
protein
Answer:
ATP
Explanation:
Answer:
ATP (adenosine triphosphate)
How do normal faults differ from reverse faults?
Answer:
In a Normal Fault, the hanging wall moves downwards relative to the foot wall. They are caused by extensional tectonics. This kind of faulting will cause the faulted section of rock to lengthen. In a Reverse Fault, the hanging wall moves upwards relative to the foot wall.
Explanation:
Answer:
In a Normal Fault, the hanging wall moves downwards relative to the foot wall. They are caused by extensional tectonics. This kind of faulting will cause the faulted section of rock to lengthen. In a Reverse Fault, the hanging wall moves upwards relative to the foot wall.
Explanation:
This is a curved, pointed appendage, found at the end of a toe or finger in most mammals, birds, and some reptiles. It is often used to refer to the hooked structures found on arthropods.
Answer:
Claws
Explanation:
I was doing the test
Explain how conservation efforts have positively impacted ecosystems.
Conservation efforts have played a crucial role in mitigating the loss of biodiversity, protecting ecosystems, and promoting sustainable development.
Conservation efforts have had several positive impacts on ecosystems. Firstly, the establishment of protected areas and conservation reserves has helped preserve and restore natural habitats, providing a safe haven for wildlife and plant species. This has led to the recovery of many endangered and threatened species, contributing to the overall biodiversity and ecological balance.
Conservation efforts also promote sustainable resource management practices. By implementing regulations and guidelines for fishing, hunting, logging, and other human activities, ecosystems are protected from overexploitation. This helps maintain healthy populations of species, prevents habitat degradation, and ensures the long-term availability of resources.
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A researcher attempts to use a segment of ribosomal RNA as a molecular clock to calculate the date of the last common ancestor of two species. He finds that the two species diverged from a common ancestor 150 million years ago. These particular species have abundant fossil records that strongly suggest that these species diverged 100 million years ago. Which of the following answer choices best describes a reason for the discrepancy in the date of the last common ancestor of these species?
A. Ribosomal RNA is not a reliable molecular clock and should not be used for dating.
B. The neutral mutation rate used in calculating the last common ancestor date may not have been accurate.
C. It is highly likely that the two organisms did not share a common ancestor, so the results are invalid.
D. A large portion of the ribosomal RNA is not vital to survival, so it is not likely to be well preserved.
Answer:
B
Explanation:
It is B because the mutation rate should not have been accurate if it showes that they diverged 150 million years ago. But the abundant fossil records show that it diverged 100 million years ago.
Hope this helps:)
Ribosomal RNA is not a reliable molecular clock and should not be used for dating.
What is molecular docking?In structural molecular biology and computer-assisted drug design, molecular docking is an important technique. The purpose of ligand-protein docking is to anticipate a ligand's most common binding mode with a protein having a known three-dimensional structure.What is dating? Carbon dating is used to determine the age of ancient material such as an archaeological or paleontological specimen .A molecular clock estimates how long it has been since similar species separated from a common ancestor based on DNA sequences (or the amino acid sequence of proteins encoded by DNA).
Hence, the correct option is A.
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During meiosis, homologous chromosomes exchange genetic
material. This exchange of genetic material -
Which form of nitrogen is most abundant on earth? N2 (Atmospheric Nitrogen) NH3 (Ammonia) NO2- (Nitrite) NO3- (Nitrate)
Answer:
N2 (Atmospheric Nitrogen)
Explanation:
Nitrogen is a chemical element positioned as 7 on the periodic table. Nitrogen is found as a gas in the atmosphere (N2) and constitutes the most part of the air making it the most abundant gas on Earth.
Atmospheric nitrogen (N2) is the most abundant of its form found on Earth. It can be converted to its compound form e.g. nitrates (a plant usable form) by lightning and some bacteria in the soil.
Describe the role of ATP
Answer:
the main role of ATP is to provide energy
Explanation:
how does cell division prove the cell theory
Answer:
1 splits into 2
Explanation:
Choose all the answers that apply.
In a balanced ecosystem the number of _____.
producers is greater than the number of consumers
consumers is greater than the number of producers
primary consumers is greater than the number of secondary consumers
secondary consumers is greater than the number of tertiary consumers
tertiary consumers is greater than the number of primary consumers
producers is greater than the number of consumers
Answer:
primary consumers is greater than the number of secondary consumers
secondary consumers is greater than the number of tertiary consumers
producers is greater than the number of consumers
Explanation:
Which statements correctly describe Arizona’s legislative branch? Check all that apply.
The House is made up of 30 members.
The Senate is made up of 30 members.
The House has 16 standing committees.
Bills passed by the House go directly to the Governor.
Members are elected by Arizona’s citizens.
Answer:
b. The Senate is made up of 30 members
c. The House has 16 standing committees
e. Members are elected by Arizona's citizens
Explanation:
got it 100% right on EDGE 2021
Which of the following is a nonrenewable resource?
A. Solar
O B. Biomass
O C. Petroleum
D. Hydropower
Answer:
C.
Explanation:
why have diseases and many other bacterial diseases decreased over the last 100 years?
i need some help plz
Answer:
C. A sperm fused w/ an egg
Explanation:
This is the definition of a zygote.
A. is a blastula.
B. is simply a gamete found in females.
C. is the answer.
D. is the placenta.
How does an enzyme influence a chemical reaction?
Answer:23
Explanation:yes it is
Please help me with this one.
Answer:
Explanation:
just add what you think how to do it.
How do automatic stabilizers help counter the ups and downs of the business cycle ?
What are the possible outcomes of combining a
lower with green leaves (GG) and green/red leaves
Gg) with a Co-Dominance relationship?
a. 3 Flowers with green leaves and 1 with red leaves
b. 2 Flowers with green leaves and 2 flowers with green/red leaves
c. 2 Flowers with green leaves and two flowers with 2 red leaves
Answer:
im guessing green is dominant
Explanation:
Two green leaves, two green/red leaves
ASAP!! HELP PLEASE!! I WILL MARK YOU BRAINLIEST!!!
What do plants and phytoplankton have in common?
a
live on land
b
are consumers
c
use photosynthesis
d
use chemosynthesis
Answer:
C
Explanation:
Im not 100% sure but I'm almost 100% sure thats the answer
Answer:c
Explanation:
When did Cherokee pepole first interact with Europeinanes
A. The 1500s
B. The 1600s
C. The 1700s
D. The 1800s
Answer:
mr_rodgers_history_distance_learning_week_3_answer_key.pdf
Explanation: Is this the quiz you're taking?
1pt Which of the following cells would be produced by meiosis?
A. a heart cell
B. an eye cell
C. a sperm cell
D. a skin cell
Answer: c
Explanation:
because meiosis produces our sex cells
Information related to the organisms found on Earth during
various geological time periods is represented in the accompanying
chart.
OOEEOC 0-0 C-E
2525
-Edw-
4.6 (?) Billion
600 Million
200 Million
60 Million
Years Ago
Years Ago
Years Ago Years Ago
Precambrian
Paleozoic
Mesozoic Cenozoic
(Simple
(Age of Amphibians, Fishes, (Age of Reptiles) (Age of
Multicellular
and Invertebrates)
Mammals)
a organisms and
First Protists)
Past
Present
Geologic Time
Which statement concerning the first appearance of the organisms
over the time period represented in this chart is most likely
correct?
Answer:
D
Explanation:
I WILL MARK BRAINLIEST!!!!
Water has a “bent” geometry. Which explanation does not explain why?
A.Water’s oxygen has unbonded electron pairs that repel each other.
B.Water can form hydrogen bonds.
C.Electrons are evenly distributed in the water molecule.
Answer:
c i think
Explanation:
Answer:
C.Electrons are evenly distributed in the water molecule.
Explanation:
How do organisms get the energy they need?
Group of answer choices
A)Plants break down the glucose they produced in photosynthesis, and animals get energy from eating other organisms
B)Plants do not require energy because they do not move, and animals get energy by performing exercise
C)Plants get energy from fertilizers, and animals get energy by drinking water
D)Plants get energy from glucose produced in the soil, and animals get energy directly from sunlight
Answer:
The answer is A
Explanation:
Plants use photosynthesis to create oxygen and glucose from carbon dioxide in the chloroplast and animals get some of this energy by eating the plants (look up Energy Pyramid for more examples)
A group of tissues that join together to perform a specific function is___?
Answer:
An organ
Explanation:
The chemical equation below summarizes the burning of a fossil fuel.
Fossil fuel + oxygen gas →
+ water + heat
Which substance belongs in the blank in the equation?
O A. Lactic acid
O B. Carbon dioxide
O C. Nitrogen
D. Ammonia
Answer: B. Carbon Dioxide
Explanation:
Fossil fuel can release methane and other hydrocarbon. The reaction is processed between methane and oxygen in the air. When this reaction takes place the result is Carbon dioxide, water, and lots of energy (heat)
Hope this helps!
