A species of eels that lives in the ocean can move up rivers to spawn. A freshwater pike is unable to move into the ocean from a river. Based on your knowledge of cellular membranes, explain why eels can move back and forth into the ocean, whereas pike cannot.

Answers

Answer 1

Answer:

Eels are a long, thin slimy fish that have a fin that runs the entire lengths of the backs of their bodies, extends around the tail and run for a distance on the underside of the fish. They have a wide and strong mouth. The pike has a long, slender body that is olive green in color and fades to yellowish-white on its belly. The reason for this is because they have diffrent bodies and a eel is small while pikes are big and have more weight.

Explanation:

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Related Questions

Ecosystems have producers, decomposers, and composers. Carnivores and scavengers are both types of consumers in an ecosystem. Which of the following is a characteristic of scavengers that make them different from carnivores?

A.) Scavengers eat only plant materials

B.) scavengers are omnivores that always eat live animals

C.) scavengers are omnivores that eat dead plants and animals.

D.) scavengers are able to produce their own food when no other food is available.

Answers

Answer:

a

Explanation:

What are the functions of proteins?

Answers

Answer:

the function  for proteins:

Repair and Maintenance.

Energy.

Hormones.

Enzymes.

Explanation:

Explanation:

Proteins are a class of macromolecules that perform a diverse range of functions for the cell. They help in metabolism by providing structural support and by acting as enzymes, carriers, or hormones. The building blocks of proteins (monomers) are amino acids.

and inheritance.
An organism's DNA guides growth, reproduction,
a.
Development
b
Photosynthesis
C.
Homeostasis
d
Organ function

Answers

Answer:

A. Development

Explanation:

This would be correct

The Chatham Island robin is a small endangered bird found in scrub forests off the coast of New Zealand. The robin is preyed upon by introduced species such as cats and rats. In 1980, the population decreased to only 5 individuals and every individual today is a descendant of a single female. Which of the following is best illustrated in the decline of the Chatham Island robins?
1. Carrying capacity
2. Population bottleneck
3, Population overshoot
4. Type I survivorship

Answers

Answer: 2. Population bottleneck

Explanation:

A Population bottleneck is a term used to refer to an event that causes the population of a species to reduce in very large numbers. Such an event can be environmental disasters like famine, the overhunting of a species or the destruction of its habitat.

In the case of the Cha-tham Island Robin, the bottleneck event must have been the introduction of cats and rats which then went on to hunt the birds to near extinction.

Select the part whose main job is to direct a plant cell's activities by sending instructions to
different parts of the cell.

vacuole

chloroplasts

mitochondria

nucleus

Please hurry I’m in a rush

Answers

I think it’s the nucleus

Nucleus part main job is to direct a plant cell's activities by sending instructions to different parts of the cell.

What is the short definition of a plant cell?

Plant cells are eukaryotic cells with a genuine nucleus and particular organelles to carry out particular tasks. Plant cells do, however, include several organelles that are unique from those seen in other eukaryotic cells.

Where can you find plant cells?

Roots, stems, leaves, flowers, and reproductive structures are only a few of the major classes of cells and tissues that are formed when plant cells differentiate from undifferentiated meristematic cells, which are similar to the stem cells of animals.

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list two examples of temporary change in human​

Answers

Answer:

#IN GIRLS

* adolsence

* menstruation

#IN BOYS

* penis strts turning big

*beard starts coming of face

Answer:

Changes in humans

Explanation:

Girls develop breast and start their period.

Where as boys develop a deeper voice and facial hair will start to appear.

A fungus with white spores cross fertilizes a fungus with black spores. If 10% of the progeny bear white spores while 90% of the progeny bear black spores, what must be true?
A.
The trait for spore color is determined by exactly one gene.

B.
The trait for spore color is determined by more than one gene.

C.
The allele for black spores is dominant over that for white spores.

D.
The allele for white spores is dominant over that for black spores.

Answers

Answer:

C.

Explanation:

Since there are more of an outcome of black spores it would make sense that this trait is dominant.

White spores seem to be recessive in this case too.

I also suspect the parents are both heterozygous. They both carry one trait for black and one for white.

Hopefully this is correct. Have a great day.

Answer:

B. The trait for spore color is determined by more than one gene.

Explanation:

Took the test.

Which are ways of showing probability? Select 4 options.

50%

557

3/4

1 x 10

25%

7/8

Answers

Answer:

50%

3/4

25%

7/8

Explanation:

Probability must be greater than or equal to zero and less than one.

Answer:

A,C,E,F

Explanation:

just took the test

What is the cisterna chyli

Answers

Answer:

the cisterna chyli is the dilated origin of the thoracic duct, which receives the right and left lumber lymphatic trunks and the intestinal lymphatic trunk.

How are molecules moved across the membrane during active transport? A. They slide through the small spaces in the membrane. B. They are moved using transport proteins and pumps. C. They attach themselves to the membrane and are pulled through

ASAP​

Answers

B. They are moved using transport proteins and pumps.

Answer:

B. they are moved using transport protiens and pumps

Explanation:

just took a test on this

like not to get political or anything but wth
is oatmeal

Answers

Answer:

i feel like its a form of soup

Explanation:

Answer:

Dry Breakfast lol

Explanation:

PLSSSS HELPPPP ASAPPP

Answers

Answer:

the green 1

Explanation:

help me please!!
the thing is 42 points it’s the most i could put

Answers

Answer: I

Explanation:

I’m pretty sure the answer is  i

Answer:

h

Explanation:

Once a protein is made, its biochemical and structural properties play a role in producing ________.
a. phenotype
b. chromosome
c. DNA
d. mutant
e. genotype

Answers

Answer:

(D) mutant

Explanation:

Translation occurs at the ribosome, which consists of rRNA and proteins. ... Then, rRNA helps bonds form between the amino acids, producing a polypeptide chain. After a polypeptide chain is synthesized, it may undergo additional processing to form the finished protein. Learn how their functions are based on their three-dimensional structures, which ... bonds are formed by a biochemical reaction that extracts a water molecule as it joins to protein structure because these side chains can bond with one another to these stable folding patterns make up the secondary structure of a protein.  A genotype is an organism’s set of heritable genes that can be passed down from parents to offspring. The genes take part in determining the characteristics that are observable in an organism, such as hair color, height, etc. An example of a characteristic determined by a genotype is the petal color in a pea plant. Phenotype is the term used in genetics for the composite observable characteristics or traits of an organism. The term covers the organism's morphology or physical form and structure, its developmental processes, its biochemical and physiological properties, its behavior, and the products of behavior.

Once a protein is made, its biochemical and structural properties play a role in producing option a. phenotype.

Phenotype is the observational traits or characteristics of an individual organism. This is an aspect that includes the morphology and the physical form of an organism.

Phenotypes are produced as genetic material that is Chromosomes and DNA are produce proteins, and once the protein is prepared, then proteins, contribute to the structural properties of the cell to make physical form or phenotype.

The biochemical and structural properties plays role in producing the phenotype as the various enzyme and biological reactions help in maintaining physical form and morphology and other aspects.

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Name a storage protein in our bodies.

Explain the function of this storage protein in our bodies.

Where is this storage protein found?

please help

Answers

Answer:

Storage proteins serve as biological reserves of metal ions and amino acids, used by organisms. They are found in plant seeds, egg whites, and milk. Ferritin is an example of a storage protein that stores iron. Iron is a component of heme, which is contained in the transport protein, hemoglobin and in cytochromes.

Explanation:

Hope this helps.

What is the second most abundant element on earth and seems to be very important in biological processes such as oxygen transportation in the body and cellular respiration

Answers

Answer:

iron

Explanation:

Cellular respiration may be defined as the group of metabolic processes as well as reactions which occurs in the cells of the organisms that converts the chemical energy from the oxygen molecules or from nutrients into ATP or adenosine triphosphate and then releases the waste products. Thus it breaks the glucose and produces the ATP. Iron is an important element which are used in many important biological processes in the body like the cellular respiration and oxygen transportation.

Air pressure and air temperature ______ with altitude. a Stay the same
b increase
c decrease
d none of the above

Answers

The answer for the following question shown below would be c

Essential Question: Compare and contrast the structure and function of the major organelles found in plant and animal cells.​

Answers

Answer: Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.

Explanation:

This is from google

Which statement best summarizes how the light-dependent reactions and light-independent reactions (Calvin cycle) work together during photosynthesis
The light-dependent reactions capture energy and the light-independent reactions use that energy to make glucose
The light-dependent reactions capture energy and the light-independent reactions use that energy to make ATP
The light-dependent reactions take in glucose (food energy) and the light-independent reactions use the glucose to make ATP
The light-dependent reactions capture bees and the light-independent reactions blend those bees up into golden cheddar mac and cheese... watch
out for the stingers though
The light-dependent reactions take in glucose (food energy) and the light-independent reactions use the glucose to make energy in the form of
sunlight

Answers

The light-dependent reactions capture energy and the light-independent reactions use that energy to make glucose

The energy captured in the light-dependent reactions is stored in ATP and NADPH and is used in Calvin's cycle to fixateCO2 in order to synthesize glucose

Explain how it is possible for nutrients to be transported to the cells of a flatworm with no circulatory system.

Answers

Answer:

Flatworms are beings that do not have a heart, veins, arteries, capillaries, hemolymph, or some type of circulatory fluid. Their circulation occurs between cells or intercellularly and they are responsible for transporting substances by diffusion from cell to cell.

Explanation:

Flatworms are considered multicellular eukaryotic organisms. This implies that in their cells they have a cellular nucleus, in which the DNA is contained, structuring the chromosomes. Likewise, they are made up of several types of cells, each one specialized in a specific function. They lack a structured circulatory system as such. Because of this they do not have specialized structures such as a heart or blood vessels, however, the circulation of certain substances is established between their cells. This is done thanks to the diffusion process. Substances pass from one cell to another through this process.This does not apply to all flatworms, since in some species of bog and digenae there is a certain organization and some very small conducting vessels known as the endolymphatic system, the which forms a kind of plexus in the parenchyma.It should also be noted that some species do not even have a digestive system, being the digestive tract the one in charge of digestive functions and the distribution of the nutrients they receive.

In the periodic table, vertical columns are called periods.
TRUE
FALSE

Answers

Answer:

FALSE

Explanation:

In the periodic table, vertical columns are called GROUPS.

This is a FALSE statement

The horizontal rows on the periodic table are called periods.

How do plant cells differ from animal cells

Answers

Answer: Plant cells have chlorophyll, chloroplasts, cell walls, a more blocky shape, and larger vacuoles. Animal cells have a more rounder shape, no cell wall but only a cell membrane, smaller vacuoles, and other organelles such has centrosomes, which plant cells don’t have.

Explanation:

Answer:

Plant and animal cells are  different in that plant cells have chloroplasts and rigid cell walls, while animal cells do not.

Which of the following is a benefit of genetic engineering to humans?
Reducing diversity of organisms
B
Developing medicines for humans
Decreasing the yield of crops
Producing foods with low nutritional value

Answers

The answer is B. Developing medicines for humans.

Answer choice A would not benefit society, nor would answer choices C and D.

Brainliest please!

Which statement describes how heat flows from the coffee to the part of the spoon in the coffee?

Heat flows from the coffee to the spoon through radiation.
Heat flows from the coffee to the spoon through convection.
Heat flows from the coffee to the spoon through conduction.
Heat flows from the coffee to the spoon through radiation, convection, and conduction.

Answers

Answer:

C. Heat flows from the coffee to the spoon through conduction.

The heat movement known to move from one area to elsewhere has been called heat transfer. Thermal conduction allows the coffee's heat to reach the spoon. Thus, option C is correct.

What is thermal conduction?

A type of heat transfer called thermal conduction occurs when heat flows from one spot to some other place due to the disparity in temperatures between the bodies.

When a body is subjected to thermal conduction, heat energy is dissipated from the body towards the colder or less heated objects. Because the spoon and coffee are at different temperatures, the heat from the coffee is passed to the spoon through conduction.

Therefore, thermal conduction is the process through which the coffee heats the spoon in the cup.

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How is energy cycled through a cell?

Answers

Answer:The cell needs glucose to have ATP and the cycle is cellular respiration. It turns glucose into energy by forming that ATP.

Explanation:

The chemical equation of cellular respiration contains information about?

a. the relative amount of products and reactants.

b. the formation of glucose.

c. the intermediate reactions needed to break down glucose.

d. the environment in which cellular respiration occurs.

Answers

A. I believe, because a chemical reaction equation is a shorter way to represent a chemical reaction.

The chemical equation of cellular respiration comprises information regarding the relative amounts of products and reactants.  

• The process, which takes place within the mitochondria of all the organisms is termed cellular respiration. In this process, the simple sugars are dissociated into water and carbon dioxide and release energy in the form of ATP.  

• A chemical reaction is a procedure in which one or more components, that is, the reactants get transformed into one or more different components called the products.  

• The substances, which start the reaction are called reactants, while the ones that get produced in the reaction are called products.  

• The association between the reactants and products in a chemical reaction can be signified with the help of a chemical equation.  

Thus, the chemical reaction of cellular respiration comprises information regarding the relative amount of products and reactants.  

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Meiosis results in? ​

Answers

Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells.

The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.

Answer:

It results in the reduction of chromosomes by half and produces four gamete cells.  And those four cells are the result and known as the daughter cells.

Explanation:

These pellets are not eliminated as _________________, but are regurgitated through the ___________________.

Answers

Answer:

These pellets are not eliminated as feces, but are regurgitated through the mouth. Pellets are not found exclusively within the owl families. There are many species of birds known to regurgitate pellets: hawks, eagles, kites, harriers, falcons, and even robins are some of the more familiar ones.

tell me if im wrong :/

Analyze Can relative humidity be more
than 100 percent? Explain your answer.

Answers

Answer:

Surprisingly, yes, the condition is known as supersaturation. At any given temperature and air pressure, a specific maximum amount of water vapor in the air will produce a relative humidity (RH) of 100 percent. Supersaturated air literally contains more water vapor than is needed to cause saturation.

Explanation:

The maximum number of individuals that an environment can support is called the ___. A)population density B)Competition Factor C)density Independent factors D)carrying capacity

Answers

Answer:

D

Explanation:

Answer:

D

Explanation:

Population density is how dense a population is or how to spread out it is. Though carrying capacity is how much a thing such as land can carry such as lifeform and organisims.

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