Answer:
Both reptiles and amphibians are poikilothermic, which means that they cannot regulate their own body temperatures internally
genesis high grade heat and pressure is steps in what
Answer:
Metamorphic rock.
Explanation:
This is the answer I hope this help you out. Enjoy your day!
nucleus is present in the animal cell
Answer:
Yes.
Explanation:
The nucleus is present in both animal and plant cells.
write the four names of disease,causative agent,disease spread mechanism, precautions.
give the correct answer.
Explanation:
hhxuxjxcjieidie you doing today I don't euheudux ruurjf don't know e u you have uhcjfudjrjfju jfjfjfjfjjffj y I will call him tomorrow is fine with Grace to call you back I don't think so much and have been in contact and o I don't think so I have no clue how was the office and they are going home for the holidays so much energy and o o to working together you are welcome dear I will
Which is a main function of lipids?
Answer:
lipids plays the role of storage of energy
or forming cell membranes alone
Which of the following functions do Golgi bodies provide for the cell?
Help maintain cellular shape
Provide an extra layer of protection for the cell
Direct all cellular activities and act as the brain of the cell
Assist in the early stages of protein and lipid production
The function that the Golgi bodies provide for the cell is that they assist in the early stages of protein and lipid production. The correct option is D.
What are Golgi bodies?The Golgi apparatus is basically an organelle encountered in most eukaryotic cells. It is also referred to as the Golgi complex, Golgi body, or simply the Golgi.
It is a component of the cytoplasmic endomembrane system that packages proteins into membrane-bound vesicles before they are transported to their destination.
Proteins produced by ribosomes in the ER are packed in the Golgi apparatus, where lipids wrap them in a membrane that is then exported from cells.
Molecules entering the Golgi are charged, stored, and then released back into the cytoplasm (secretory vesicles).
The Golgi bodies function in the cell by assisting in the early stages of protein and lipid production.
Thus, the correct option is D.
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"What if speciation occurred in humans?" Your essay should give a clear and precise example of speciation.
A student is asked to write an essay over the hypothetic prompt above. While brainstorming, the student came up with
four different ideas for their essay. Which idea is BEST aligned with the writing prompt and instructions?
The term speciation refers to the process by which two or more different species are produced from a single original population by different speciation mechanisms. Speciation occurs in three main steps: separation of the original population, divergence (trophic divergence, reproductive divergence, genetic divergence, etcetera), and isolation.
The most related option to speciation is B. Two populations of humans living on separate sides of the ocean. After a catastrophic event, travel across the ocean is not possible. After millions of years of separation, the two groups are no longer able to produce viable offspring together, but can still produce within their isolated groups.
Speciation occurs when the original population is divided into two groups. They inhabit different places and are exposed to varying environmental conditions. With time, each group experience many genetic changes. These mutations depend on each group´s environment and its ecological pressures, and they accumulate in time. Pressures act on individuals and make them adapt to the new environmental conditions. Generation after generation, the genotype of individuals will increase the fitness to survive and reproduce. Fixation of mutations will increase the difference between the two groups, up to the diverging point into two new species. Even is they get together again, these species will not be able to mate and produce offspring, and if they do, the new generations will not be viable or fertile.
The exposed case of two human population living on different sides of the ocean, is an example of allopatric speciation.
Allopatric speciation refers to the geographic separation of a continuous genetic background, originating two or more new geographically isolated groups. During these events of speciation, emerging new barriers impede genetic flow between groups, as the two new populations that are separated can not get together and mate anymore. These barriers might be geographical or ecological.
Different stages are involved in the allopatric speciation process:
• The emergence of the barrier.
• Interruption in the genetic flow
• Slow and gradual differentiation due to the occurrence of mutations in each population and their accumulation in time.
• Genetic divergence by natural selection and reproductive isolation, impeding the two groups to mate even if the barrier disappears.
• Prezigotic isolation mechanisms favored by selection a secondary contact between the new species occurs.
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Answer:b
Explanation:
usatestprep
Dr. Ignaz Semmelweis was a Hungarian doctor investigating the deaths of women in his
maternity ward from childbed fever. Which statement below is a valid hypothesis made by
Dr. Semmelweis?
O Doctors caused childbed fever.
Midwives caused childbed fever.
If doctors disinfect hands before delivering babies, then there will be less childbed fever.
o If a woman goes into the hospital then she will die of childbed lever.
The investigation for death of women in maternity ward is identified by scientific method of hypothesis testing.
The null hypothesis statements and alternative hypothesis statement can be as,
H0 : Doctors caused child bed fever.
Ha : Midwives caused child bed fever.
Child bed fever is the infection in some part of female reproductive organs usually ovary which causes the abortion of a child or premature child birth.
The hypothesis to check Dr.Ignaz have to make a null hypothesis statement against which there will be alternative hypothesis statement which will cause the observation and then reaching a conclusion.
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Define matter
Thanks!
Which of the following could your family do to lower its carbon footprint?
Answer:
That's correct
Explanation:
Insulating homes lower footprint
Set the thermostat 2 degree warmer in winters could lower your family carbon footprint.
What is carbon foot print ?
A carbon footprint is the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions.
What does reducing carbon foot print mean?Reducing your carbon footprint at home typically means consuming less energy.
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is the presence of industry in developing nations high? what about developed nations?
Answer:
Developing countries don't have lots of industries, so it's not high
Developed nations have a wide variety of industries
Explanation:
la barrera de Linfocitos B
Answer:Cada linfocito B, al ser activado, produce un anticuerpo específico. El cuerpo tiene millones de linfocitos B diferentes capaces de detectar antígenos distintos. Sin unas barreras de defensa a punto y en forma, no tendríamos manera de combatir los agentes extraños que ingresan en nuestro cuerpo desde el exterior.
Explanation:
any 5 Reason wetlands destroy?
Answer:
Deforestation
flood
landslide
waste drainge
Unplanned urbanization
Explanation:
these are the main 5 problems that destruct the wetland
You are trying to determine if Organism X and Organism Y are different species. Both organism have purple skin and no hair. Organism X is slightly bigger than Organism Y. Organism X reproduced with Organism Y and they were able to have offspring. Those offspring were not able to reproduce.
Select one:
There is not enough information.
They are different species.
They are a hybrid species.
They are the same species.
Answer:
they are different species.
Explanation:
help pls, just need this part on the top
Answer:
Concentration Gradient
Explanation:
This means that it will move from a region where it's in lower conc to a region of higher conc
(Giving 100 points)
Which statement is true?
Atherosclerosis increases the delivery of oxygen to body tissues.
Atherosclerosis is characterized by plaque buildup in blood cells.
Atherosclerosis slows the delivery of carbon dioxide to wound sites.
Atherosclerosis constricts or blocks blood vessels.
Your patient has a rash, a fever, and a very high white blood cell count. Blood specimens are taken, put into sterile culture bottles, and sent down to the microbiology lab for incubation and analysis. Select the statement that best reflects why microbial analysis of blood is an important step in this patient diagnosis: SP Select one or more:
a. A lack of microbes in the blood means that the patient's health is critical
b. minimal microbial growth in the blood sample is normal and should be ignored
c. Blood culture analysis would not provide any useful information to the diagnostic team
d. Blood specimen are often obtain through poor aseptic technique by the healthcare worker
e. microbial growth in the blood sample may possibly indicate sepsis in the patient
Answer:
e. microbial growth in the blood sample may possibly indicate sepsis in the patient.
How does latitude affect a climate zone?
A. Climate zones at high latitudes are cooler because they are closer to the equator.
B. Climate zones at high latitudes receive a lot of precipitation because they are farther C. from the equator.
D. Climate zones at low latitudes receive little precipitation because they are closer to the ocean.
None of the options is entirely correct about latitude and climate zone.
Latitude and climate zoneLatitude is one of the main factors that affect climate, along with elevation, ocean currents, and prevailing winds.
Generally, the farther away from the equator a location is, the colder its climate is. This is because the angle of the sun's rays hitting the Earth's surface is more oblique at higher latitudes, resulting in less heat being delivered per unit of surface area.
However, precipitation patterns are not solely determined by latitude. They are also affected by other factors such as prevailing winds, ocean currents, and topography. For example, areas located on the windward side of a mountain range tend to receive more precipitation than those on the leeward side, regardless of their latitude.
Therefore, while latitude is an important factor in determining climate zones, it does not fully determine precipitation patterns or temperature.
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is when a system is in motion but is balanced because it experiences no net change.
A. Dynamic equilibrium
OB. A convection current
OC. Static equilibrium
D. Co-evolution
Answer:
dynamic equilibrium is the answer.
Dynamic - motion
Equilibrium - no net change
Find some applications of
nanotechnology in medical care and disease prevention.
Answer:
Preventing illnesses, more quickly diagnose, control diseases, treat diseases with fewer side effects, and create better medical aids such as more compatible prosthetics.
Why do animal cells not need central vacuoles?
A: Animal cells are round.
B:Animal cells have cell walls.
C:Animals do not produce their own food
D:bodies have skeletons.
Answer:
B:animal cells have cell walls
Food moved to the back of the mouth by the tongue causes all of the following EXCEPT covering the opening of the larynx by the epiglottis. pressure against the pharynx to initiate swallowing. elevation of the soft palate to seal off the nasal cavity. the swallowing center stimulates successive waves of muscle contraction in the esophagus. churning of the stomach contents.
Answer:
churning of the stomach contents.
Explanation:
When food is moved to the back of the mouth by the tongue (deglutition), it does not cause the churning of the stomach contents.
The churning of stomach contents occurs when the bolus from the mouth has entered through the lower esophageal sphincter into the stomach. Churning is the mixing of the bolus with digestive juices containing acids and enzymes secreted from the stomach lining.
Decide whether each statement is a 'positive' or 'negative effect of deforestation.
a) It provides land to grow food or keep farm animals.
b) It makes mudslides more common.
c) It allows new roads to be built to connect cities.
d) It can make the area warmer and windier.
e) It can cause extinctions by destroying habitats.
f ) It allows more biofuels to be grown to provide energy.
g) It increases the amount of soil carried away by rivers.
h) It increases the amount of carbon dioxide in the atmosphere.
Answer:
1) negative because it provides land for something and they need to take of trees maybe.
2) positive because that ends up in trees and they grow more
3) negative because it takes a lot of space so trees need to be taken off.
4) positive.
5) negative because the habitats of the animals are normally near trees
6) negative.
7) positive because it lets the trees grow better
8) positive because plant breath carbon dioxide.
What holds the hydrogen
atoms to the
oxygen atom?
Answer:Covalent bonds
Explanation:
While examining the scene of a murder, Investigator Allen notes that the newspaper is opened on the kitchen table. He concludes that the victim had already gone out to get his newspaper before he was murdered. This evidence is an example of an indicative act.
True
False
Answer:
The correct answer is:
Explanation:
True is the correct answer...
Hope this helps....
Have a nice day!!!!
Write the name of the forces A and B in the diagram.
Answer:
is that a line segment
During DNA replication, when the mRNA molecule is made by complementary base pairing, the percentage of adenine bases would be equal to which of the following bases in a RNA molecule?
Adenine
Cytosine
Guanine
Uracil
Answer:
I think the answer is uracil because it has the same percentage as thymine in RNA which is 30% and thymine has the same percentage as adenine.
I hope this helps
Write the changes occurring in the passage through the alimentary canal as a person has ingested roti and dal as a part of his meal
Answer:
A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal. Answer: ... The saliva contains an enzyme salivary amylase (ptyalin) which converts starch in roti into maltose, isomaltose and small dextrins called a-dextrin.
Explanation:
What effects are produced on environment by industry?
Answer:
climate change, loss of natural resources, air and water pollution and extinction of species.industrial processes can have negative environmental impact.
Explanation:
A scientist is researching Down Syndrome. He is studying what type of disease?
A frog cannot keep in the classes pisces why
Answer:
because it has a four chambered heart
Answer:
hii can you be my friend dear
because of 4 chamber of heart
hope it will help you
