A female offspring of the cross has a 100% chance of having a recessive allele for Duchenne muscular dystrophy disorder. The correct option is 4.
What is Duchenne muscular dystrophy?Duchenne muscular dystrophy is a recessive genetic disease caused by a faulty allele.
Duchenne muscular dystrophy is an X-linked recessive disorder, which means that the gene responsible for the disorder is located on the X chromosome.
This defective allele is found on the X chromosome; females have two X chromosomes, while males have one.
A female with this genetic disorder has a one hundred percent chance of passing on the defective allele to her offspring.
In conclusion, a female offspring of the cross has a 100% chance of having a recessive allele for Duchenne muscular dystrophy disorder.
Thus, the correct option is 4.
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Transport of large molecules such as starch across the cell
membrane can occur through
a Endocytosis
b Exocytosis
C Both A and B
d None of the above
Explanation:
I think its D...
It seems like active transport
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Answer:
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Explanation:
Genes influence an organism's traits by coding for ?
A:
Cells
B:
Proteins
C:
Chromosomes
D:
DNA
Genes influence an organism's traits by coding for proteins. Therefore, option B is correct.
What are genes?Genes are segments of DNA that hold the instructions needed to create a single, usually protein-producing, molecule in your body. These proteins regulate how our body develops and functions; they are also in charge of determining many of our physical traits, like our eye color, blood type, and height.
the information connected to a certain characteristic of the organism is encoded by these on the strands of genomic material; the entire strand of DNA or RNA is made up of numerous genes, each of which contains information. DNA is converted into RNA and then RNA is converted into protein.
Genes influence an organism's traits by coding for proteins. Therefore, option B is correct.
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. Which of these types of electromagnetic radiation has the lowest energy?
a. Radio waves
b. Visible light
c. Gamma rays
Answer: a
Explanation:
radio waves have the longest wavelengths so it has the lowest energy
Receptors: A) Specialized chemicals that receive information B) Specialized heart cells that receive information C) Specialized hormones that receive information D) specialized nerve cells that receive information
Answer: Option D.
specialized nerve cells that receive information
Explanation:
Receptors is a protein that is found in target cells and it also bind to a molecule called ligands which can be inorganic substance and the kitchen hand also can bind to leave hand binding sites. These receives chemical signals or information.
Do you think the offspring produced by the two processes are genetically identical to organism 1? Explain your reasoning.
Answer:
Process 1 involves one parent, organism 1. So, the offspring produced through process 1 will be genetically identical to organism 1. Process 2 involves organism 1 and organism 2, so the offspring will have genes from both of them. These offspring will be genetically different from organism 1.
Explanation:
Trust me, this is the exact answer.
A substance has a half-life of two days. If 10 days have passed, how many half-lives have the substance gone through?
show your work!!
Half life of the substance will be 5 days i.e. 10/2=5
The term is most often used in the context of radioactive decay, which occurs when unstable atomic particles lose energy.
What is half life?It is the time required for a quantity to reduce to half of its initial value.
What is radio active decay?Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation
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How would the Earth's climate change if its obliquity shifted from 23.4° to 0°, and all other factors remained the same?
A-Global warming would increase rapidly.
B-It would shift the Earth into a global ice age.
C-The seasonal changes would be more extreme.
D-There would be no seasons.
Answer:
There would be no seasons.
Explanation:
The tilt of the Earth's axis is what causes seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere. If there was no tilt, the rays hitting the Earth would have minimal changes, meaning no seasons.
Please help me with this.
NO SCAM LINKS PLEASE
Answer:
populations
Explanation:
why must heterotrophs eat other organisms
Answer:
to survive
Explanation:
eating=living
What is embedded in the phospholipid bilayer that helps in the movement of larger molecules ?
A.Channel/Transport proteins
B.Salt
C.Water
D.Fats
Answer:
[tex]\boxed {\boxed {\sf A. \ Channel/Transport \ proteins}}[/tex]
Explanation:
The phospholipid bilayer is also known as the cell membrane. It covers cells and regulates the transport of substances. Certain ones can pass and others cannot, depending on certain factors like size and polarity.
Smaller substances tend to diffuse or move across the membrane quite easily. However, larger molecules have a much harder time. Many depend on special proteins embedded in the membrane. These are called transport proteins and they form a channel so large molecules can still move in or out of the cell.
So, salt, water, and fats do not contribute to the movement of larger molecules, but channel or transport proteins do and choice A is correct.
Why is it Nondisjunction?!
Anaphase of mitosis, where sister chromatids go apart and the microtubules pull them in different side directions. The chromosome shown in image red fails to part away properly, its sister chromatids stick together and get pulled to the same side, as a result of in mitotic nondisjunction of this chromosome.
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Answer:
The second choice.
Explanation:
The river moves faster which brings in more soil and dirt from the banks which is where A is located.
Answer:
A
Explanation:becasue the water is faster ,so ebertyime there’s an explosion the Easter just carries the particles away.
A population of large predators in an ecosystem has been trapped and removed from the area. How would this event most likely change the food web in this ecosystem?
A.
The number of herbivores will decrease and the number of producers will increase.
B.
The number of herbivores will increase and the number of producers will decrease.
C.
The number of small predators will decrease and the number of herbivores will increase.
D.
The number of small predators will decrease and the number of omnivores will decrease.
Which nonmetal is used as a food?
O rock gypsum
O rock salt
O quartz
O talc
Answer:
B. Rock salt
Explanation:
Answer:
B. Rock salt
Explanation:
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Bloodworms, which are the mature larvae of non-biting midge flies, are commonly found in and around bodies of water. Most types of bloodworms can live only in pollution-free, oxygen-rich environments. However, a few species thrive in environments with low concentrations of oxygen and high concentrations of nutrients and pollutants. From the changes in the bloodworm populations shown in the table above, what can be determined about how water in the stream has changed?
A. The water has become less polluted, as evidenced by the decrease in the number of bloodworm species present and the increase in bloodworm population density.
B. The water has become more polluted, as evidenced by the decrease in the number of bloodworm species present and the increase in bloodworm population density.
C. The water in the stream has become less nutrient-rich, as evidenced by the increase in bloodworm population density.
D. The water in the stream has become more oxygenated, as evidenced by the increase in bloodworm population density.
Answer:
B
Explanation:
The water has become polluted,as evidenced by the decrease in the number of bloodworm species
I need help in writing an essay about the rise of global temperatures over the past century
Answer:
Essay about the rise of global temperatures over the past century.
Explanation:
The rise of global temperatures over the past century is the major issue which occurs due to human activities. The use of fossil fuels in vehicles releases huge amount of carbondioxide gas in the air while burning. Carbondioxide gas is a green house gas which blocks the reflected solar radiation to go away in the space. These solar radiation remains in the surface which increases the surface temperature of the earth. This rising in the surface temperature is responsible for the melting of glaciers that leads to the rise of sea level which is a threat for coastal regions. This melting of glaciers also causes floods in the regions so that's why the it is a major issue.
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What would cause water to turn from a gas to a solid?
A) Take energy out of the system
B) Put energy into the system
C) Increase the water’s mass
D) None of the above
Answer:
A
Explanation:
It takes or releases energy during phase change
5 sources of food contamination
Answer:
Major contamination sources are water, air, dust, equipment, sewage, insects, rodents
Explanation:
Contamination of raw materials can also occur from the soil, sewage, live animals, external surface, and the internal organs of meat animals.
Question 6
The grasshopper in
this food web is
considered a
snake
frog
Mawk
shrew
• A. Producer
• B. Herbivore
• C. Omnivore
• D. Carnivore
cricket
marsh grass
catta
Grasshopper
Answer:
B
Explanation:
The grasshopper is the primary consumer so it is herbivore.
which organ is central to the body's metabolism of nutrients??
a-) the stomach
b) the kidneys
C) the liver
d) the small intestine
Answer:
The small intestine
Explanation:
The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine and push the mixture forward to continue the digestion process. The walls of the small intestine absorb water and digested nutrients into the bloodstream.
17. How does the placement of the stamen in relationship to the pistil affect the way in which
the flower is fertilized?
Answer:
this placement increases the chances of pollination
Explanation:
Pollination refers to the process of transferring pollen grains from the male stamens of a flower to the female stigma. The stamens generally surround the pistil and they are composed of two structures: 1-the anther (produces male reproductive cells or pollen grains) and 2-filaments (supports the anthers). Moreover, the female pistil is generally located at the center of the flower and it is composed of three structures: stigma (a sticky bulb in the center of flower), ovary (contains female reproductive cells or ovules), style (supports the stigma). The arrangement of the plant's reproductive organs increases the chances of pollination: when a pollinator (e.g. bees) visits a stigma for nectar it has to go through the stamen and catch pollen that then carries to the stigma of the same flower (auto-pollination) or another flower (cross-pollination). Moreover, the flowers also have petals and sepals that help attract pollinators and protect the flower bud, respectively.
which of the following are behavioral adaptions for animals to survive in the extreme cold of the tundra biome?
a) hibernation and camouflage
b) hibernation and migration
c) migration and camouflage
d) hibernation and resource conservation
Answer:
Although habitats provide food, water and shelter that animals need, there is more to survival than just the habitat.
Answer:
B. Hibernation and Resource Conservation
Explanation:
Camouflage can help animals survive anywhere, not specific to tundra biomeMigration means that the animal can't survive in extreme cold.United States has historically imported much more oil than it produces. Recently,
however, there has been a movement to further increase local oil drilling. Which
of the following would be a negative effect of increased drilling for oil?
O A. Increased population near drilling sites will cause an increase in the
national crime rate.
O B. Increased drilling may lower the cost of oil-based products and fuels.
OC. An increase in oil drilling would increase the risk of pollution.
Answer:an increase in oil drilling would increase the risk of pollution.
Explanation:
took the test 100 on it ♂️
as you move upward away from sea level.
In general, atmospheric pressure is greatest near Earth's surface and
decreases
stays the same
b. increases
d. doubles
a.
C.
Please select the best answer from the choices provided
A
B
C
С
D
Answer:
decreases
Explanation:
Describe the mutation that confers resistance to infection to a major strain of HIV.
Answer:
BIKTARVY® is indicated as a complete regimen for the treatment of HIV-1 infection in adult and pediatric patients weighing ≥25 kg who have no antiretroviral (ARV) treatment history or to replace the current ARV regimen in those who are virologically suppressed (HIV-1 RNA <50 copies per mL) on a stable ARV regimen with no history of treatment failure and no known resistance to any component of BIKTARVY.
What happens when the Earthis plates pull away from each other? What happens when they push together?
Answer:
Two plates pushed together create a convergent fault. If one plate is oceanic and the other continental, the edge of the oceanic plate will be pushed down. When two plates move away from each other they create a divergent boundary. When this happens under oceans, new ocean floor is created.
during photosynthesis plants take in___from the atmosphere and release___ back into the atmosphere
Answer: during photosynthesis plants take in Carbon Dioxide from the atmosphere and release oxygen back into the atmosphere
Explanation:
plants need carbon dioxide to grow and they give oxygen as a waste product which we need to survive
Mountain building happens as a result of –
Question 3 options:
Two continental plates converging
Two oceanic plates converging
Two continental plates transforming
6CO2 + 6H2O + light C6H12O6 + 6O2 C6H12O6 + 6O2 6CO2 + 6H2O + energy
How do these equations explain why the total amount of O2 and CO2 remains the same?
Answer:
They cancel each other out. There are 12 Carbon molecules on each of the equation and 54 Oxygen on each side So their carbons cancel each other out on each side of the equations as the oxygen.
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