Answer:
2. Each parent contributes only one allele for the ABO blood group to the offspring
Explanation:
Humans are diploid organisms, which means that our cells have two copies of the same gene. These copies are called alleles. We inherit one allele from each parent.
Just like most of our traits, we inherit our blood group from our parents. There are three alleles that determine our blood group: A, B, and O. We can get only two of them, though. Whether our blood group is A, B, AB, or O will depend on the combination of the alleles we inherited.
____keep most populations in their natural habitat at a population size somewhere between extinction and overrunning the ecosystem.
PLEASE HELP!!
Answer:
limiting factors
Explanation:
The ecological optimum represents the value of the factors within the ecological valence at which the life processes of a species take place best. The upper and lower limits of an ecological valence are its maximum and minimum. Beyond these limits, physiological processes are interrupted and death occurs.
In what way do two alleles for the some trait differ?
A. The are found on different chromosomes.
B. They consist of different sequences of DNA
C. They are produced by two different people.
D. They are complementary.
Answer:
B. They consist of different sequences of DNA
Explanation:
Alleles are contrasting or alternative forms of a gene. A diploid organism i.e an organism with two sets of homologous chromosome, contains two alleles for each gene that encodes a trait. Although the two alleles of that particular gene encodes the same trait, they can encode different phenotypes i.e way it is expressed because they contain different sequences of DNA.
For example, in a gene coding for height in pea plants, two alleles, T and t are responsible. Allele T codes for tall height (phenotype) while allele t codes for short height (phenotype). Although the two alleles are for the same trait, they differ in the content of their DNA sequence, hence, are expressed differently or variably.
Roller coasters, with their twists, turns, and loops, seem to defy everything we know about how objects move. Roller coaster designers use Newton's laws to
push people past their usual limits. Which statement identifies Newton's Law of Motion with the correct justification of that law? (DOK 2, AKS 8b)
OA Newton's first law is the law of inertia. Since an object at rest stays at rest, all roller coasters have to be pushed or pulled to get started.
OB. Newton's first law is the law of force and acceleration. Since the rollercoaster is so massive, it will require more force to accelerate
OC. Newton's third law of action-reaction states that for every action, there is an equal and opposite reaction. This means that as you push down on the
seat, the seat does not push back on you with an equal force.
OD. Newton's second law is the law of force and acceleration. Since the rollercoaster is so massive, it will require less force to accelerate.
Answer:
The answer is D
Explanation:
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2. The researchers in the film spent a month collecting and identifying various species of animals and plants. These species were then added to a database of all species in Gorongosa. Provide two (2) reasons why building a species database will be useful for the restoration project.
Answer:
Importance of building specie database, for restoration projects.
Explanation:
Restoration implies human intervention, for renewing - degraded ecosystems & habitats.
Building species data base is important for this, as - wildlife is an integral part of habitat. Understanding their favourable living ambience in ecosystem - like temperature, humidity, sunlight & water access and migration patterns is important - in effort to restore environment in real sense.
Use your completed Fossil Primate Chart (on pp. 393–394) to answer the following questions. What geographic region(s) have numerous fossil primate discoveries? Why might fossil primates be common in these places? Identify one geographic region that has few or no fossil primates. Why might fossil primates be rare here? Choose one strepsirhine-like fossil primate and one haplorhine-like fossil primate, and list at least two traits that distinguish them. What do these traits suggest about their classification and relationship to living primates? Choose any two haplorhine-like fossil primates and list at least two traits that distinguish them. What do these traits suggest about their classification and relationship to living primates?
Answer:
Africa, Madagascar, Asia, and the New World.
Explanation:
Africa, Madagascar, Asia, and the New World are the geographic regions have numerous fossil primate discoveries. Fossil primates to be rare in the temperate regions because only a small fraction of the primates that have ever lived has been preserved as fossils due to of climatic and geological conditions of the region. The strepsirhines like fossil primate containing wet-nosed primates, whereas haplorhines like fossil primate containing dry-nosed primates. These traits suggest that the living primates are evolved from these extent primates so that's why they are classified in the same phylum.
In one or two sentences, explain how the chemical equation for cellular respiration shows that plants cycle matter. Include the numbers of molecules and atoms involved to support your explanation.
Carbon dioxide + Water Glucose (sugar) + Oxygen CO2 + H2O C6H12O6 + 6O2 Cellular respiration or aerobic respiration is a series of chemical reactions which begin with the reactants of sugar in the presence of oxygen to produce carbon dioxide and water as waste products.
Glucose + Oxygen ------> ATP + Carbon dioxide + Water
C6H12O6 + 6O2 ----------> 36ATP + CO2 + H2O
The chemical equation for cellular respiration shows that plants cycle matter because oxygen and glucose that is produced by the plants is used by the human body for the generation of energy in the form of ATP molecules, water and carbondioxide gas.
This carbondioxide gas is released by animals which is used by the plants in order to make their own food during the process of photosynthesis so we can conclude that the chemical equation for cellular respiration shows that the plants cycle matter.
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2. Polar molecules and ions need a transport protein to
diffuse across the cell membrane.
TRUE
FALSE
Answer:
True
Explanation:
Only small hydrophobic nonplar molecules can go through the hydrophobic interior of the phospholipid bilayer. Therefore, polar molecules and ions need transport proteins to diffuse across the cell membrane, also called facilitated diffusion. An example is water, which is polar, and through osmosis diffuses through transport proteins called aquaporins.
what are the first atoms that were formed?
hydrogen and helium
photons and neutrons
iron and lead
protons and neutrons
hydrogen and helium were the FIRST atoms, I hope this helps you.
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Prepare a public service announcement for each illness in which you describe 1) how the illness is transmitted, 2) how it is treated, and 3) any prevention measures that are being used to prevent the illness. Include a bibliography with each announcement to show the names of the sources you used. You may create your announcement in written form as a pamphlet, poster, or computer slideshow. Alternatively, you may make your announcement in the form of a video or audio recording.
Answer:
D
Explanation:
Geologists can use sedimentary rock to learn about climate in the past.
True
False
Answer:True
Explanation:
Is hemoglobin a hormone?
Answer:
I'm really sorry it is not.
A new hormone called erythroferrone, which regulates the iron supply needed for red blood-cell production, has been discovered by researchers. Iron is an essential functional component of hemoglobin.
Hemoglobin is the iron-containing protein compound within red blood cells that carries oxygen throughout the body. It is made up of heme, which is the iron-containing portion, and globin chains, which are proteins. The globin protein consists of chains of amino acids, the "building blocks" of proteins.
Answer:
no its not
Explanation:
A graph of KE vs the mass of an object is ___
Answer:
A non linear relationship
Explanation:
hope this helps.
A graph of KE vs the mass of an object is a non-linear relationship.
What are graphs?Graphs are the mathematical representations of numbers and data on graph paper. They are an easy way to see the changes in the data over time.
In nonlinear relationships, changes in any of the inputs are not proportionate to changes in the output. A nonlinear relationship produces a curve when it is plotted on a graph, whereas a linear relationship results in a straight line.
On a graph, kinetic energy has a linear relationship with respect to the mass of the moving object and a non-linear relationship with respect to how fast the object is moving.
Thus, the graph of KE will be a non-linear relationship.
To learn more about graphs, refer to the link:
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do all animal cells have same genetic content(DNA)?!... if so why are the cells grouped into tissues?
Answer:
Becasue there are different type of cells within the body that function different ways.
Explanation:
2. Chancroid presents with a genital ulceration that is a) Painless b) Gummata in nature c) Purulent lesion d) Painful
D
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Which of the following is not true of sexual reproduction?
A. Sexual reproduction involves gametes
B. Sexual reproduction involves the simple division of a cell
C. Through sexual reproduction, traits and characteristics of the species are passed on to offspring
D. Most multicellular organisms reproduce through sexual reproduction
Answer:d
Explanation:
What type of biomolecule are enzymes?
Carbohydrates
Proteins
Lipids
Nucleic acid
Answer:
protein
Explanation:
................
Which layer of soil contains large rocks that have not been weathered yet?
A. Topsoil
B. Dirt
C. Bedrock
Answer: Option C.
Bedrock
Explanation:
Bedrock consist of hard rock that has not been weathered because bedrock is the hard rock that is found under surface materials like soil and are components of quartzite, limestone , basalt and granite. It is a solid and it is bound very tight. It also form parent rock and it can remain on the top of the soil which later weathered and form soil and can be taken away by wind, water, gravity e.t.c.
What is the end result of mitosis?
a. Two new cells with identical sets of chromosomes
b. Two new cells with different sets of chromosomes
c. One cell with two identical sets of chromosomes
d. One cell with two different sets of chromosomes
28. Which statement best explains why cellular respiration in plants and
other organisms is dependent on photosynthesis?
Photosynthesis is one of the final steps in cellular respiration,
Photosynthesis absorbs materials that are catalyzed during cellular respiration.
Photosynthesis absorbs excess energy produced by cellular respiration.
Photosynthesis provides the materials that fuel cellular respiration.
Answer: Photosynthesis provides the materials that fuel cellular respiration.
Explanation:
Photosynthesis, the process through which green plants convert light to chemical energy. The energy that is gotten from sunlight by green plants, some protistans, and bacteria is used to produce sugar which is then converted to ATP by cellular respiration which is regarded to as the fuel that living things use.
Therefore, the statement that best explains why cellular respiration in plants and other organisms is dependent on photosynthesis is that photosynthesis provides the materials that fuel cellular respiration.
Answer:
Photosynthesis provides the materials that fuel cellular respiration.
Explanation:
If someone gets an electrical shock, you should
not touch the person
turn off the source of electricity
call 998 if the person is unconscious
all of the above
Answer:
all above also why is this even a question shouldn't someone have common sense to not do this
choose the correct food chain that contains 5 trophic levels
Answer:
i think its the first one. someone fact check me in the comments.
What likely occurred in the nebula as a result of these changes?
Answer:
In the solar nebula, this likely grew out of inhomogeneties in the initial contraction. ... After this, the nebula became more transparent to solar radiation, and the nebula would have begun to cool. This would have allowed new compounds to form, growing as dust grains by condensation. Explanation:
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What does the picture present?
Chromosome
Nucleas
Gene
Answer:
Chromosome
Explanation:
Which property could be used to identify a substance?
A. mass
B. weight
C. density
D. volume
8. How does the circulatory system function?
A. Receives and interprets messages.
B. Moves and performs simple body activities.
C. Removes salts and minerals from the blood.
D. Transports blood, water and nutrients to all parts of the body.
Answer:
d. transports blood, water and nutrients to all parts of the body.
Explanation:
What do cells do with the products produced by cellular respiration?
A.
Carbon dioxide and water can be excreted and the energy is used by the cell.
B.
Glucose and carbon dioxide can be excreted and the energy is used by the cell.
C.
Carbon dioxide and oxygen can be excreted and the energy is used by the cell.
D.
Glucose and oxygen can be excreted and the energy is used by the cell.
Answer:
Ok
Explanation:
I believe the answer is D
Answer:
A
Explanation:
Carbon dioxide and water can be excreted and the energy is used by the cell
If a gene has two alleles, and allele A has a frequency of 83 percent, then allele a has a frequency of:_______
Answer:
Another allele frequency = 17%
Explanation:
Given:
Allele A has a frequency = 83 percent
Find:
Another allele frequency
Computation:
Sum of percent = 100%
So,
Another allele frequency = 100% - 83%
Another allele frequency = 17%
A population of the Galapagos finch Geospiza fortis undergoes directional selection for larger bill size after Geospiza fuliginosa colonizes the same island. This is an example of:
Answer: character displacement
Explanation:
Character displacement is an evolutionary change which happens in a scenario whereby two identical species live in same environment. When this occurs, natural selection takes place which then favors a divergence based on the characters that the organisms possess.
Therefore, when a population of the Galapagos finch Geospiza fortis undergoes directional selection for larger bill size after Geospiza fuliginosa colonizes the same island is an example of character displacement.
Which word best describes the tone of the excerpt?
A. mocking
B. frustrated
C. mysterious
D. troubled
Answer:
C Mysterious
Explanation:
We don't know the full infermation about the story.
Answer:
c
Explanation: