Answer:
A zygote is a fertilized ovum. The germ cells undergo meiosis to reach a haploid state (n) as part of spermatogenesis and oogenesis. The sperm and the unfertilized ovum reinstates a chromosome set in zygote in a diploid state (2n).
After fusing with the sperm, the second stage of meiosis takes place for separation of chromatids. Post-fertilization, mitosis of the zygote is initiated which develops into a mature offspring exhibiting characteristics of its parent.
Explanation:
The zygote stage development occurs in the first week of fertilization. The genome of the zygote is the combination of DNA in each gamete and contains all the genetic information required to form an individual.
Answer:
Zygote is a diploid cell resulting from the fusion of two haploid gametes
it forms when a sperm penetrates the outer surface of an egg.
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During tubular reabsorption, most of the water, glucose, and ions in the glomerular filtrate are reabsorbed into the blood whereas urea is not.
What is tubular reabsorption?Tubular reabsorption refers to.the process whereby minerals and water are reabsorped from the glomerular filtrate into the blood.
The renal artery carries mineral rich, oxygenated blood from the heart to the kidneys whereas the renal veins carry deoxygenated blood from the kidneys back to the heart.
Blood in the renal arteries contains red blood cells, white blood cells, large blood proteins, glucose, water, ions, and urea.
Filtrate in the kidney tubules contains water, glucose, ions, and urea.
Filtrate not reabsorbed is urea.
Urine contains urea, ions and water.
Blood in the renal veins contains red blood cells, white blood cells, large blood proteins, glucose, water, and ions.
Therefore, in the process of tubular reabsorption, most of the water, glucose, and ions in the glomerular filtrate are reabsorbed into the blood whereas urea is not.
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What to expect after laser surgery for retinal tear?
Answer:
You may have some pain in your eye and your vision may be blurry for a few days after the surgery. Your eye may be swollen, red, or tender for several weeks.
Explanation:
What are some tropical animals
Answer:
Parrot, Toucan, sloth salt water fish, Jaguar, Reptiles, Harpy eagle and a Orangutans
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Electromagnetic waves, like uv radiation, are
physical mutagens.
which of these can be a consequence of
physical mutagens?
a. contracting a bacterial disease
m
b. the loss of ability to move limbs
c. denatured proteins and enzymes
d. developing an adaptation
The consequences of physical mutagens is that there will be denatured proteins and enzymes. That is option C.
What are Physical mutagens?Physical mutagens are defined as the those substances that has the ability to produce a genetic change in the chromosome of a living organism.
This is caused by electromagnetic waves, like uv radiation.
Therefore, the consequences of physical mutagens is that there will be denatured proteins and enzymes.
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Astronomy
With all the interaction, competitiveness, and collaboration among countries around the globe with space travel, what role do you think politics plays (or has played) in these relationships regarding space travel? Explain and discuss.
Politics plays an active role in relation to space travel, as an example we can mention the space race during the Cold War.
What was the space race?It was the dispute for hegemony in space exploration between the United States and the Soviet Union in the period from 1957 to 1975 during the Cold War, which was a geopolitical conflict. This period was marked by major technological developments.
Therefore, the policy is an instrument capable of influencing space travel in order to generate collaboration and competitiveness between countries, being a positive instrument for further development in space exploration.
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Answer: Politics plays an active role in relation to space travel, as an example we can mention the space race during the Cold War. The space race was the dispute for hegemony in space exploration between the United States and the Soviet Union in the period from 1957 to 1975 during the Cold War, which was a geopolitical conflict. This period was marked by major technological developments.
Explanation:
Describe how flowering plants reproduce.
Answer:
Pollen is carried by insects or blown by the wind from one flower to another. This process is called pollination. Pollen reaches the new flower and travels to the ovary where it fertilises egg cells (ovules) to make seeds. This is fertilisation.
Explanation:
When comparing texts, look for what they have in
A. their dialogue
B.common
C. their margins
D. their settings
Answer:
B
Explanation:
when you care comparing you want to see what the texts have in common
4. Explain how fusion is one of our sources of energy.
Answer:
La energía de fusión es la fuente de energía del sol y las estrella, la fusión es un proceso que ocurre dentro del sol, por esta razón la luz que vemos y el calor son el resultado de una reacción de fusión.
Some viruses use a ____ cycle before beginning the lytic cycle in which the viral dna is inserted into the hosts dna
a. helical
b. lytic
c. lysogenic
d. binal
What are the "two sides" of the
Golgi body?
Explanation:
Cis and trans face of Golgi apparatus are two sides of Golgi apparatus. Cis face receives vesicles from ER. These vesicles fuse with Golgi apparatus and form new cisternae. Vesicles filled with processed proteins and lipids exit from the trans face of the Golgi apparatus.
Cells in the body use oxygen for cellular respiration. Select the two sentences that correctly describe cellular respiration.
ATP is produced.
ATP is consumed.
Carbon dioxide is absorbed.
Carbon dioxide is released.
Answer:
ATP is produced
Carbon dioxide is released
The two sentences that correctly describe the process of cellular respiration are as follows:
ATP is produced.Carbon dioxide is released.Thus, the correct options for this question are A and D.
What is Cellular respiration?Cellular respiration may be defined as a biological process through which a form of sugar which is known as Glucose is transferred into energy in the form of ATP in the presence of oxygen. This energy is required to accomplish metabolic activities.
The complete reaction of cellular respiration is as follows:
Glucose + Oxygen → Carbon dioxide + Water + Energy (ATP).With the help of the reaction, it can be determined that glucose and oxygen are utilized while carbon dioxide and energy in the form of ATP are produced as products.
Therefore, ATP is produced and Carbon dioxide is released are the two sentences that correctly describe the process of cellular respiration. Thus, the correct options for this question are A and D.
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Which answer a b c or d.
Answer:
d
Explanation:
I think the answer is d but I'm not sure a can also be
Label this diagram with these 4 words
What is the main function of white blood cells?
gathering around the site of the injury and sticking together to form a clot
transporting substances like sugars and digested proteins, vitamins, and hormones
Correct
fighting infectious agents like fungi, bacteria, and viruses
binding and transporting oxygen to cells
Answer:
to bring oxygen in the body and release carbon dioxide
Explanation:
Xiomarra is tall with dark curly hair and brown eyes. She is outgoing and friendly. The way that Xiomarra's genotype is expressed in these observable characteristics is referred to as her
The way that Xiomarra's genotype is expressed in these observable characteristics is referred to as her PHENOTYPE.
What is phenotype?The phenotype is how an organism expresses or evidences a feature. It is the expression of a gene that codes for a feature. It refers to the organism's observable physical, biochemical, or behavioral characteristics.
The phenotype is influenced by the individual's genotype and the action of the environment. It depends on how many genes are involved in the feature expression, the interaction among them, and the inheritance pattern.
In the exposed example,
Physical characteristics ⇒ tall with dark curly hair and brown eyes Behavioral characteristics ⇒ outgoing and friendlyThe way that Xiomarra's genotype is expressed in these observable characteristics is referred to as her PHENOTYPE.
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Before a star is born, the matter that will become the star exists as a what?
A: Cool, Dark Nebula
B: Black hole
C: Red Giant
D: Bright explosive supernova.
Answer:
A: Cool, Dark Nebula
Explanation:
Before a star is born, the matter that will become the star exists as a interstellar gas and dust. The stars are formed as a result of the force of gravity compresses atoms in the interstellar gas. Then the fusion reaction begins. During this fusion reaction the temperature gets extremely high and all the material evolves into a hot bright star.
Circle what kind of light each object emits.
(a) fire
incandescence / luminescence
Answer:
luminescence is the correct option of given statement
Describe how natural selection can occur in a population.
Answer:
Natural selection occurs when individuals with certain genotypes are more likely than individuals with other genotypes to survive and reproduce, and thus to pass on their alleles to the next generation.
Explanation:
It takes 10,850 liters of water to make a pair of jeans. What is the name of water used to produce goods?
1.virtual water
2.goods water
3.manufacturing water
4.consumable water
If a sudden genetic mutation in the birds that feed on these frogs made them able to consume any amount of the poison with no harm to them, it is most likely that
If a sudden genetic mutation in the birds that feed on these frogs made them able to consume any amount of the poison with no harm to them, it is most likely that because frogs will be less poisoned.
What are the other mutations in birs?Color mutations are feasible in all species of birds and mammals. It is resulting from a gene flaw and varies with species. With birds and mammals that breed greater without difficulty in captivity, shadeation mutations had been bred for, no matter it was a flaw. Technically those birds or mammals are weaker.
The frogs which can be least toxic and much less conspicuous now might continue to exist higher than people who have greater poison.
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If a sudden genetic mutation in the birds that feed on these frogs made them able to consume any amount of the poison with no harm to them, it is most likely that the frogs that are least toxic and less prominent now would survive better than those that have more poison.
What do you mean by Mutations?Mutations may be defined as the sudden, stable, and inheritable changes in the genetic material of an organism.
Therefore, it is well described above.
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match the following examples to their correct terms
Answer: Here are all the ones you're missing
Race Horses - Selective breeding
XY - Male
Lung's main organ - Nervous system
XX - Female
Breaks down food into small usable parts - skeletal
Explosions may cause harm. They may also be useful. Can you name some examples of each?
Answer:
Nuclear explosions can cause harm no matter the circumstances. Other explosions caused by chemicals such as Amatol can help in the military; it can also help in the process of mining.
Answer:
Explosion will harm no matter what.
it will hurt the civilians on both sides.
Explosions or Nuclear Power is a chaos.
It may be useful for mining only with safety precautions
what are the characteristics of life on earth?
Answer:
Characters of life on Earth:Growth and Reproduction: Living organisms are able to grow and reproduce fertile offsprings.Genetics: Living organisms have the ability to the pass their traits on to their next generation.Response: Living organisms are able to respond to any stimuli.Respiration: Living organisms can respire, breath which makes them different from non-living organisms.Cellularity: Living things are made up of living cells.Homeostasis: Living things are able to balance their internal environment despite of what's happening in the external environment which is homeostasis.[tex]\rule[225]{225}{2}[/tex]
What do we call the part of a leaf that
protects the leaf opening called the
stomata?
A. guard cell
B. stem
C. vein
D. blade
Answer:
A.
Explanation:
it should be the guard cell. It is this because, the guard cell is supposed to almost close or move in and out depending on the type of weather or climate.
Which is NOT a homologous feature of
Phylum Porifera?
A. choanocytes- cells that sweep water into the body
B. have true tissues
C. amoebocytes- help support skeletal fibers
D. suspension feeders that filter food out of the water
The true nucleus is not a homologous feature of Phylum Porifera. So, it's B.
What do you mean by Porifera?Porifera may be defined as superficial invertebrate animals that live in aquatic habitats that comprise the sponges.
Organisms belonging to animals, plants, and fungi only have a true nucleus. The members of the phylum Porifera majorly consist of sponges that have a system of suspension feeders that filter food out of the water.
The members of the phylum Porifera have choanocytes that specify the cells that sweep water into the body.
Therefore, the correct option for this question is B.
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Where are attached ribosomes found?
Answer:
Attached, or bound, ribosomes are found on the exterior of an organelle called the endoplasmic reticulum.
A type of fuel made from corn or sugar is ______.
A) biomass
B) ethanol
C) geothermal
D) geyser
E) peat
Answer:
B) Ethanol.
Explanation:
A type of fuel made from corn or sugar (but primarily from corn) is ethanol. ethanol is typically blended into gasoline, though it is available as a stand alone. It is also used for many things, including but not limited too gasoline, chemicals, and alcoholic beverages.
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"Helicopter" seeds called samaras are produced on maple and ash trees. How are these seeds dispersed?
O eaten and excreted by animals
O carried by water
O carried by wind
O transported by pollinators
How should we keep track of the amount of carbon trees can store?
Answer:
Use the conversion table to convert the circumference of the tree into the dry weight. Half of the dry weight of the tree is carbon, therefore you need to divide the answer for the dry weight by two. This tells you how much carbon is stored in the tree.
Explanation:
Which type of data would be categorized as quantitative?A.A survey of opinions about a politicianB.A newspaper article calling for changes to a local lawC.A database of test scores for a group of studentsD.A collection of essays describing life in a small town
Answer:
C.A database of test scores for a group of students
Explanation:
Quantitative data measures things and records values as numerical data. Only option C that measures test scores records values as numerical data.
Rest are qualitative.