In which situation would artificial insemination most likely be used over other forms of treatment?
A.
A woman's ovaries do not release any eggs.
B.
A man's testicles have not properly descended, lowering sperm count.
C.
There is a blockage in the fallopian tubes.
D.
The mucus that helps the sperm travel to the uterus is too thick.
Answer:
B
Explanation:
artificial insemination is only used when a man is infertile
A new fossil called Darwinius was discovered in Germany. It lived around 47 mya. It had a small brain, short snout, and postorbital bar. Its diet probably included a lot of fruit and leaves. It did not have a dental comb. It had nails instead of claws and was probably an arboreal quadruped. Researchers disagree about whether the fossil is more similar to living haplorhines (the group that includes tarsiers, Old and New World monkeys, apes, hominins) or more similar to strepsirrhines (lemurs, lorises)
Required:
a. Describe two features that the fossil shares in common with living haplorhines.
b. Describe two features that the fossil shares in common with living strepsirrhines.
Explanations:
Darwinius is also known as Ida. some scientists have grouped it to be a member of the adapiforms. it's remains were unearthed in Germany. it is regarded as a female because it's skeleton lacks baculum.
Instead of claws darwinius have nails. they could be classified as transitional fossils due to its links with living strepsirrhines and also living haplorhines
similarities with haplorhines:
1. they share similar body structure and tail, also their nails are similar
2. there feeding is almost the same in terms of diet they are carnivores.
similarities with strepsirrhines:
1. they are both mammals
2. they have close body structure and also almost same tail
Proteins are the most complex group of biomolecules with a wide range of functions. Which of the following best describes the function of proteins?
A) store genetic information, instructions to make proteins
B) form cell membranes, long-term energy storage, insulation
C) aid in metabolism, structural support (hair, nails, bone), create enzymes
D) ready to use energy for cells, structure for cell walls, storage as glycogen
Answer:
C
Explanation:
they aid in metabolism
Where did Margaret Mead live in the 1930s to conduct her study of cultural variation?
Answer:
Margaret Mead lived in New Guinea in the 1930s to conduct her study of cultural variation.
Explanation:
Margaret Mead lived in New Guinea in the 1930s to conduct her study of cultural variation.
What is cultural variation?Cultural variation makes reference to the rich range of cultural practices found in diverse cultures all over the world.
Gender roles, economic systems, and social structure, among a variety of other humanely as possible organized behaviors, all change from one culture to the next.
Margaret Mead conducted actual first-hand observational data of the shared, behavior patterns of several small societies in New Guinea to find out.
Mead chose to live among the people of New Guinea and take part in their activities in order to gain a comprehensive understanding of cultural variation.
Mead was best known as an anthropologist for her research on the nonliterate peoples of Oceania, particularly in terms of psychology and culture.
Thus, in 1930s Margaret Mead lived in new Guinea.
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Prevailing winds blow from the Pacific Ocean toward two cities separated by mountains. City A is on the leeward side of
the mountains and city B is on the windward side. Which city is likely to have a wetter climate? Explain your answer.
Answer:
City B will have a wetter climate.
Explanation:
This is because in windier areas in tends to get more wet than rocky areas (mountains) where City A lies. Also because more wind will blow more and more clouds in the direction of city B making it rainier there a lot more often than a non windy rocky are.
Describe the ways in which the bacteria cells cluster together
Answer:
There are several different morphologies that describe particular bacteria and archaea. Archaea can have a round (cocci) shape or a rod (bacilli) shape.Bacteria can also be circular, rod, or a spiral shape (spirochete).
Which are nonpolar?
A.carbohydrates
B. lipids
C. proteins
D. nucleic acids
A student designed an experiment totest
the effects of light and water on plant growth.
How could this experiment be improved?
Answer:
answer C
Explanation:
You only need to have 1 variable at the time and use the other as dependent
Answer:
I believe the answer is D, all of the above
Explanation:
Fill in the blank.
The inner core, in combination with the rotation of the Earth, around the outer core creates a dynamo effect where a _______________is generated.
Answer:
Magnetic field?
Explanation:
Cobie is testing how the amount of fertilizer affects the height of plants. Which variable does NOT need to be controlled. *
Athe amount of fertilizer
Bthe type of plants used
Cthe amount of water each plant gets
Dthe location of the plants
Answer: D) the location of the plants
Explanation:
Answer:
Explanation:
B
Using established recombinant DNA technology, you insert a gene from a human liver cell into a bacterium. The bacterium then expresses a protein corresponding to the inserted DNA. To your dismay, you discover that the protein produced is useless and is found to contain many more amino acids than does the protein made by the eukaryotic cell.
Assuming there is no mutation in the human gene, explain why this happened.
a. bacteria do not use splicing to edit RNA after its transcription.
b. rRNAs in bacterial cells contain more nucleotides than in eukaryotic cells.
c. bacterial RNA contains less stop codons.
d. amino acids in bacterial cells are specified by double codes.
Answer:
The fact that the amino acid chain is consistently having more amino acids than what is actually present can be attested to the fact of how gene expressions can be observed in the prokaryotic cell compared to the eukaryotic one.
why is system thinking important
Answer:
Systems thinking is a powerful approach for understanding the nature of why situations are the way they are, and how to go about improving results. Historical perspective is important in understanding the evolution of a situation and in identifying patterns of behaviors over time.
Explanation:
Is an Aquifer part of a Watershed?
Answer:yes
Explanation: it is because groundwater’s is the other half of the moisture equation contained in a watershed.
Which ecosystem is more stable - a potato field or a forest?
Answer:
A forest ecosystem is more stable than a potato field.
Explanation:
The forest ecosystem is a natural one and all the elements are balanced, they are managed by the nature itself.
The forest ecosystem is a natural one, and all the components are in harmony since nature herself manages the ecosystem.
Thus, A forest ecosystem, or simply a forest, is a community of plants, animals, microorganisms, and other species that interact with the chemical and physical elements of their environment.
The species in a forest ecosystem are depending on one another in order to survive, and they can be roughly categorized as producers, consumers, and decomposers based on their ecological roles.
The boreal forest that surrounds the Earth in northern latitudes is an example of a vast forest ecosystem. A forest ecosystem can also be as small as a microsite on a tree limb where mosses, insects, and microscopic species coexist.
Thus, The forest ecosystem is a natural one, and all the components are in harmony since nature herself manages the ecosystem.
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Which represents the cross between parent plants if one is heterzygous and has yellow-colored pods and the other is homzygous and has green-colored pods?
Yy ´ yy
YY ´ yy
Yy ´ Yy
yy ´ yy
Answer:
Its the first one
Yy is yellow (dominant) and heterozygous
yy is green (recessive)
with Yy and yy, you could only get 50% Yy(yellow) and 50% yy(green). There is no way to make only yy or YY, and in order to make 100% Yy you would need one yy and one Yy
The cross between parent plants if one is heterozygous and has yellow-colored pods and the other is homzygous and has green-colored pods - Yy yy
Heterozygous genotype:The presence of two different alleles at a particular gene locus.A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles.Y for yellow and y for green then the heterozygous parent would be - Yy with yellow phenotypePurebred genotype:
consists of gene pairs with genes that are the same allele typealso called the hozygousY for yellow and y for green then the hemzygous parent would be - yy with green phenotypeThus, the cross would be - Yy yy
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These organisms are prokaryotic cells, mostly
extremophiles.
Answer:
A extremeophile is a prokariyite,
Explanation:
What are two ways different types of organisms obtain glucose?
Answer:
Photosynthesis and respiration are two ways organisms obtain glucose.
Explanation:
Photosynthesis – process in which autotrophs use energy from the sun to produce their own food.
Respiration – process in which animals and plants use oxygen in the air to release energy found in glucose.
Hope this helps!
Activity A (continued from previous page) 4. Observe: Wait until the numbers are not changing very much. What do you notice about the solute concentrations inside and outside of the cell? This situation is called dynamic equilibrium
Answer:
Yes, dynamic equilibrium is present in the cell.
Explanation:
In dynamic equilibrium, the concentration of solute remain the same due to equal flowing of solutes inside and outside the cell so there is no change occurs inside the cell, the cell maintain same concentration of solutes both inside and outside the cell. Dynamic equilibrium is a type of equilibrium in which the reactants and products formed at the same rate and no change occurs inside the reaction. In the cell, homeostasis is responsible for maintaining equilibrium in the cell so no change occurs inside the cell.
This is looks so difficult for me. Someone explation? And answer pl?
Answer:
That is the periodic table.
Explanation:
The periodic table has elements such as, metals, non-metals, metalloids. There are more specific groups such as, transition metals and alkali metals and halogens. This periodic table of elements is divided into different groups.
Is granite a igneous rock?
Answer:
Granite, coarse- or medium-grained intrusive igneous rock that is rich in quartz and feldspar; it is the most common plutonic rock of the Earth's crust, forming by the cooling of magma (silicate melt) at depth.
Explanation:
1. Which carbon (organic) compound is most abundant in the potato?
Answer:
polysaccharides
Explanation:
QUESTION 5
A family left California to live in Idaho. Which of the following
occurred for the California population after this family moved?
SELECT AN ANSWER
emigration
immigration
Answer:
emigration
Explanation:
Emigration-the act of leaving one's own country to settle permanently in another; moving abroad.
When DNA replicates, the first step is
O proteins move along the DNA and "read" the code
DNA polymerase adds new nucleotides to the old strands
a proofreading enzyme checks to see if there are errors in the order of the nucleotides
the double helix is opened down the middle by an enzyme called helicase
ANSWER THIS NOW!!!!
40 points!!!
Drag each label to the correct location on the diagram.
Identify the structures of skeletal muscle.
muscle fiber
muscle
fascicle
myofilament
myofibril
Answer:
1. Muscle: soft, contractile tissue important to produce force and motion in animals.
2. Fascicle: multiple bundles of skeletal muscle fibres which is surrounded by a type of connective tissue called perimysium.
3. Muscle fibres: bundles of cylindrical organelles myofibrils formed by the fusion of myoblasts via myogenesis process.
4. Myo-fibril: basic unit of a muscle cell made of thick and thin myofilament arranged in parallel columns along the length of muscle fibres.
5. Myo-filament: strands of actin and myosin proteins which pack a muscle fiber and are force generating structures.
Explanation:
Answer:
1. Muscle: soft, contractile tissue important to produce force and motion in animals.
2. Fascicle: multiple bundles of skeletal muscle fibres which is surrounded by a type of connective tissue called perimysium.
3. Muscle fibres: bundles of cylindrical organelles myofibrils formed by the fusion of myoblasts via myogenesis process.
4. Myo-fibril: basic unit of a muscle cell made of thick and thin myofilament arranged in parallel columns along the length of muscle fibres.
5. Myo-filament: strands of actin and myosin proteins which pack a muscle fiber and are force generating structures.
Explanation:
i hope this helps :)
For what reason may First Amendment rights be limited?
Answer:
the shouldn't be limited
Explanation:
because its a right but an amendment can be changed
Answer:
include obscenity, fraud, child pgraphy, speech integral to illegal conduct, speech that incites imminent lawless action, speech that violates intellectual property law, true threats, ect
Explanation:
if the things above are done the first amendment can be taken away
What are the similarities between the different models used to quantify the growth of a population
Answer:The models used are exponential growth models and logistic growth models. They are similar because they both grow slowly. How does carrying capacity affect reproductive rates?In the real world, with its limited resources, exponential growth cannot continue indefinitely. Exponential growth may occur in environments where there are few individuals and plentiful resources, but when the number of individuals becomes large enough, resources will be depleted, slowing the growth rate.
Explanation:
what element from the periodic table has the highest monetary value per unit
Answer:
francium
Explanation:
The most expensive natural element is francium, but it decays so quickly it can't be collected to be sold.
Where are hot and very luminous stars shown on the H-R diagram?
top right
bottom right
top left
bottom left
Answer:
top right
Explanation:
hot starts inhabit the left hand side of the diagram. Bright stars inhabit the top. luminous means bright so it would be top right.
Answer:
bottom right
Explanation:
That is where it shows up when you look at the diagram.
Which macronutrient contains carbon, hydrogen, and oxygen molecules?
Answer:
Carbohydrates
Explanation:
Carbohydrates are one of the three macronutrients in the human diet, along with protein and fat. These molecules contain carbon, hydrogen, and oxygen atoms. Carbohydrates play an important role in the human body.
Which Statement best describes Earth's oceans
Answer:
salty
Explanation:
Answer:
(I think you chose the wrong photo) but its Ocean covers most of the planet's surface and contain nearly all its water.
Explanation: