Why do rats have three lobes of liver and humans only have one?

Answers

Answer 1

Answer:

Although the rat liver is typically lobated2 and its ap- pearance does not resemble that of the human liver, the hepatic lobes of the rat liver have been found to be equivalent to the sectors of the human liver. As rats and humans belong to the class Mammalia, similar em- bryological development is expected.


Related Questions

Hi guys! Enjoy some points on this sunny Monday!

Answers

Answer:

thnx!

Explanation:

Answer:

thank youuuuuu

Explanation:

Please help !!!!!!!!!!!

Answers

territerrialAnd 3eat foxe Red

I need help :(?An animal with radial
symmetry will have body
parts that extend
outward from a center
area. An animal with
bilateral symmetry has a
right and left side that
are mirror images of
each other.
Draw a single plane to
divide the bilateral
symmetry animal, and
draw three lines that
each divide the radial
symmetry animal

Answers

Bilateral symmetry means animal is split in half to form symmetry.
Radial, think pie fractions.

If the DNA strand is AGT, translate the mRNA codon and find the correct amino acid.

Hint: Use your matching base pairs to translate into mRNA

A. Tryptophan

B. Serine

C. Stop

D. Valine

Answers

Answer:

B. Serine

Explanation:

Hope this helps

Answer:

B. Serine

Explanation:

The serine is the required amino acid. So, option (B) is the correct answer.

Please help me this is for Sociology

2. What are the three types of norms?

Answers

ANSWERS ARE:

.FOLKWAYS

.MORES

NORMS

Here you go

What is a DNA 2 paragraph pls :))))))))))

Answers

dna is something like blood that everyone has. everyones dna is different such as their hair and eye color.

Explanation:

Answer:

hey friend ....

hope it helped you ^_^

Which is an example of two
organisms competing for
an abiotic factor?


A. Two different species of insects
competing for leaves from trees.
B. Two different species of mammals
competing for small rodents to eat.
C. Two different species of bird bird
competing for berries
D. Two different species of mammals
competing for the same water source.

Answers

Answer:

D

Explanation:

because an abiotic factor is not alive and it can never had been alive at some point so water and two different mammals

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How can urbanization affect a local area?

A. It can increase the number of invasive species in an area.
B. It can decrease the risk of water pollution in an area.
C. It can decrease the available habitats for wildlife in an area.
D. It can decrease the need for natural resources in an area.

Answers

Answer:

C. It can decrease the available habitats for wildlife in an area.

C.It can decrease the available habitats for wildlife in an area.


Which of the following accurately describes the use of fossil fuels for energy?
A
At the present rate, we will run out of fossil fuels in about 250 years.
B
Burning fossil fuels releases large amounts of carbon dioxide into the atmosphere.
C
Fossil fuels account for only 40 percent of the electricity generated in the United States.
D
All of the above

Answers

Answer:

B

Explanation:

Burning fossil fuels releases large amounts of carbon dioxide into the atmosphere

Which statement is accurate about variations?(1 point)

Organisms with variations that give an advantage are more likely to survive.

Organisms with variations are less likely to pass these variations to their offspring.

In all cases, variations become more common in a population.

In all cases, variations affect how likely it is that an organism reproduces.

Answers

The accurate statement about variation is that organisms with variations that give an advantage are more likely to survive.

What are variations?

Variations are differences that occur between organisms of the same species or of different species.

Variations occur due to differences in the genes of organism.

Variations can be of an advantage or disadvantage to an organism.

Variations that give an advantage to an organism makes it better suited to survive and reproduce.

Therefore, the accurate statement about variation is that organisms with variations that give an advantage are more likely to survive.

Learn more about variations at: https://brainly.com/question/25594630

Each of your cells has a set of chromosomes, including
autosomes and sex chromosomes. Explain the main
differences between these two types of chromosomes.

Answers

Answer:

in the 46 chromosomes in our body, the autosomes are the first 22 homologous pairs of chromosomes that do not influence the sex of an individual, while sex chromosomes are the 23rd pair of chromosomes that determine the sex of an individual

hope this helps, good luck! : )

PLEASE ANSWER NOW!!!!!!!!

The data in the table represents unknown element samples.
Element
Type of lon formed in a chemical
reaction
Phase at room
temperature
Reactivity
w
solid
highly reactive
positive
X
gas
non-reactive
does not form lons
gas
highly reactive
negative
N
positive
liquid
somewhat reactive
Using your knowledge of periodic properties and trends, how would these elements BEST be classified and why?
O A Elements W and Z are metals, Elements X and Y are nonmetals, but Element X is in Group 18 (noble gas).
O B. Elements W and Z are nonmetals, but Element w Is In Group 17 (halogen). Elements X and Y are metals.
C. Elements W and Z are nonmetals, Elements X and Y are metals, but Element Y is in Group 1 (alkall metal)
© D. Elements W and Z are metals, Elements X and Y are nonmetals, but Element Y is in Group 18 (noble gas).

Answers

Answer:

the guy above is right.

Explanation:

Elements W and Z are metals, Elements X and Y are nonmetals, but Element X is in Group 18 (noble gas). Therefore, the correct option is option A.

What are periodic properties?

Periodic Properties: Periodic properties are those that exhibit a regular gradation as we travel from left to right inside a period either from top to bottom inside a group and are either directly or indirectly connected to their electrical arrangement.

Atomic size, ionization energy, electron affinity, electronegativity, polarity, density, atomic volume, melting, and other essential periodic features are only a few. Elements W and Z are metals, Elements X and Y are nonmetals, but Element X is in Group 18 (noble gas).

Therefore, the correct option is option A.

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To what genus does the following organism belong to: Crotalus adamanteus *
A.Eukarya
B.adamaneteus
C.Crotalus
D.Animalia

Answers

Answer: crotalus

Explanation: i just took the test

When is gravity the strongest? (Select all that apply)
Group of answer choices

When the mass of the object is larger

When closer to the object

When the mass of the object is smaller

When farther away from the obje

Answers

Answer:When closer to the object

Explanation:

Answer:

When closer to the object

Explanation:

Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is.

In an ecosystem, a group of birds eat fruit from a tree. When the birds drop the fruit on the groundthe mice ea the fruit. Seeds are spread around the area by both the birds and mice and new trees grow. What is this an example of ?

Answers

Answer:

The correct answer is - interdependence.

Explanation:

In this ecosystem, all the organisms, tree mice, and birds all depend on one another for their food and growth. Birds get their food from fruits from the tree and the fruits that dropped by the birds to the ground used by the mice for their food.

In return mice and birds spread the seeds of the tree to the area which helps in the growth of the more trees. This relationship among the organisms is an example of interdependency.

Answer:

Interdepency

Explanation:

Match each type of organic compound to its description.

Match Term Definition
Amine A) Makes up cell walls, fats, or amino acids
Polymer B) Extremely long molecule chain with repeated molecular units
Carbohydrate C) Contains a nitrogen bonded to carbon(s) and is usually basic
Ether D) Organic compound with an oxygen bonded between two carbons

Answers

C, A, B and D are the correct options for the given names of different compounds.

What is amine, carbohydrates, polymer and ether?

Amine contains a nitrogen bonded to carbon atoms and is basic in nature.

Carbohydrate makes up cell walls, fats, or amino acids

Polymer are extremely long molecule chain with repeated molecular units

Ether refers to an organic compound with an oxygen bonded between two carbons

So we can conclude that C, A, B and D are the correct options for the given names of different compounds.

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Answer:

Amine - B

Polymer - A

Carbohydrate - C

Ether - D

Explanation:

An amine is an extremely long molecule chain with repeated molecular units.

A polymer makes up cell walls, fats, or amino acids.

A carbohydrate contains a nitrogen bonded to carbon(s) and is usually basic.

An ether is an organic compound with an oxygen bonded between two carbons.

If an electrically neutral atom contains 16 protons, it must also contains 16 neutrons

true or false

Answers

Answer:

False

Explanation:

Well according to my thinking, it's not a must for it to have equal neutrons but electrons are the ones to be equal to the protons

Help please I'm on the 3rd room of the escape room science worksheet and I'm still struggling (also please don't ask me to download any obvious shady files for an answer cause I think that's breaking the T.O.S on brainly) Thank you!

Answers

Answer:

9. 100%

10. c

11. 75%

12.75%

Explanation:

The big letter is dominant so it is always going to take over the small letter.

There are now several effective antimalarial drugs that can treat people who have malaria or prevent them from getting the disease altogether. Predict what will happen to the frequency of the sickle cell allele over the next 100 years as these drugs become more widely used by people living in areas where malaria is endemic: _____________ Predict what will happen to the frequency of the sickle cell allele over the next 100 years in areas like Boston MA, where there is no incidence of malaria: __________ stay the same ; stay the same decrease ; increase increase ; increase increase ; decrease decrease ; decrease

Answers

Answer:

decrease, decrease

Explanation:

By using antimalarial drugs in order to prevent malaria, the frequency of the sickle cell allele decreases in both areas where malaria is endemic and the areas where no incidence of malaria occurs because there is no necessity of sickle cell allele in the population to prevent malarial disease. Sickle cells have high significance in prevention of malarial diseases so when there is no malaria happens in the population so there is no need for it and the allele slowly removed from the population and decrease occurs in its frequency.

Which of the following Identifies a water link between agriculture and urban need?
the loss of land used to construct new buildings

the loss of income from Import and export of food products

the loss of market value for agricultural products that are over produced

the loss of marshes and bogs that provide sources of freshwater used for drinking

Answers

Answer:

the loss of mashes and bogs that provide sources of freshwater used for drinking.

As the question says about the identification of a water link between agriculture and urban needs.

A source of freshwater is needed to obtain water ; thus loss of mashes and bogs that provide sources of freshwater used for drinking is the answer.

Answer:the loss of mashes and bogs that provide sources of freshwater used for drinking.

Explanation:

A food web shows how energy moves from one organism to another in an ecosystem. Students in a life science class created a diagram demonstrating a food web.
FOOD WEB
Owl
Snake
Hank
Frog
Grasshopper
Mouse
Rabbit
Caterpillar
Wheat
Dandelion
Clover
Based on the food web, which of these organisms receives its energy directly from a primary consumer?
caterpillar
dandelion
frog
grasshopper

Answers

Frog, it eats a grasshopper which eats plants
frog;
the are a secondary consumer, so they eat the primary consumer such as a grasshopper which eats the producer.
so a FROG receives its energy directly from a primary consumer

Transcribe the following DNA Strand:
AAT GGC TCA

Answers

Answer:

UUA CCG AGU

Explanation:

Hello There!

Remember when transcribing these are the complementary pairs

adenine with uracil

thymine with adenine

guanine with cytosine

cytosine with guanine

so after the dna strand is transcribed it would look like this

UUA CCG AGU

True or false glucose is the primary nutrient for all living things

Answers

Answer:

true

Explanation:

glucose is the primary nutrient for all living things

Answer: True

Why? The primary source of energy for animals is carbohydrates, primarily glucose: the body's fuel. The digestible carbohydrates in an animal's diet are converted to glucose molecules and into energy through a series of catabolic chemical reactions.

Hope this helps :D

The height of an object above sea level is called

Answers

Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.

Explanation:

Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.

Explanation: hope this helps

Mice produce a large number of offspring all year long, yet the number of mice within
a given population changes very little from year to year. The stability of the population
size is most likely the result of

Answers

disease or hunting.

mice are prey for numerous animals so I'd say it doesn't change much bc they're always being hunted

Explain what scientists might be able to learn about the seawater that existed millions of years ago by studying rocks that came into contact with seawater at that time in the past . Use evidence from the text to support your inference.

Answers

Answer:

About composition of water and organisms that lives there.

Explanation:

scientists might be able to learn about the composition of seawater that was present millions of years ago if we study those stones that comes in contact to that ancient seawater because the traces of particles still present on it. This study provides valuable information about ancient times of earth and its natural resources. These rocks also provides animals that were present in that sea water at that time.

Geologists using the aspects of geology and paleontology can study and analyze the evolutionary, physiology and ecological relation of plants, animals and other microorganisms with abiotic and other biotic factors.

The scientists will be able to understand the composition of the organism and the water that resided in the region.

This inference can be supported by:

The stones and rocks present in the seawater will depict the characteristics as they will have traces of particles present on them from the past years.

This evaluation will provide insights into the natural resources and organisms present during the ancient times on the planet.

This will also give data about the organism living in aquatic or terrestrial areas.

Therefore, it will give the composition of water and organisms.

To learn more about the seawater and organisms follow the link:

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A body cell prepares for cell division. How many chromosomes does it have at the beginning of prophase

Answers

Answer:

46 chromosomes, 92 chromatids

Explanation:

Answer:

84

Explanation:

Hope this helps!!

Which THREE statements describe how the models of mitosis and meiosis demonstrate genetic continuity

Answers

Answer:

si ir Jesús money and finace and You Aldo wnat yo put they mitos because ir si the top one

Explanation:

hope ir hemos

Lighting a match is easy when the match is quickly rubbed across a piece of
sandpaper. Which best describes the sequence of energy transformations that take
place to light a match?
Light energy to heat energy
Heat and light energy to
mechanical energy
Chemical energy to
mechanical energy to light
energy to chemical energy
Mechanical energy to heat
energy and then chemical
energy to light and heat
energy

Answers

Answer:

Mechanical energy to heat energy and then chemical energy to light and heat energy.

Explanation:

Mechanical energy (the match in motion), to heat energy (the match creating friction with the sandpaper), and then chemical energy (the phosphorous sulfide in the match head reacting to the friction), to light and heat energy (the flame). I hope this helps. :)

What factors may have contributed to the decreased size of the giant panda’s range?

Answers

Answer: low reproduction rates, hunting and most importantly habitat destruction

Explanation:

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If he buys 10 petunia plants, which inequality can be used to find s, the number of sunflower plants that Jacob can purchase?A. 10($2.99) + $2.79s < $43.85B. 10($2.99) + $2.79s > $43.85C. 10($2.99 + $2.79s) > $43.85D. 10($2.99 + $2.79s) < $43.85 . /7 . . . . . . . Pls help me!!! I need help 9.Not Answered 10.Not Answered Question Workspace Which of the following statements is CORRECT? a. If a firm increases its sales while holding its inventories constant, then, other things held constant, its inventory turnover ratio will increase. b. An increase in inventories will have no effect on the current ratio. c. A reduction in inventories will have no effect on the current ratio. d. If a firm increases its sales while holding its inventories constant, then, other things held constant, its fixed assets turnover ratio will decline. e. A reduction in the inventory turnover ratio will generally lead to an increase in the ROE. can someone do this quick! I need the volume!! 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