Biology College

Arable land is land is no longer able to promote growth of agricultural changes.

True
False

Answers

Answer 1

The answer is false

Arable Land Is Land Is No Longer Able To Promote Growth Of Agricultural Changes. True False
Answer 2

Answer:

False

Explanation:

I took the test

Related Questions

How do you think scientists figure out the life cycle of a star

Answers

Answer:

space

Explanation:

they figured it out going to space and since a star is a small peice of the sun they can't touch it it's impossible without getting heat burns or dying so they ither observe a star using a telescope or went to space for days

the enteric nervous system is a network of neurons found throuout the wall of thoracic orgsns such as the lungs. true or flase

Answers

Answer and Explanation: The answer is false, as it is a network of neurons, however it is embedded in the wall of the gastrointesinal system.

Which is the advantage of water's heat capacity?

Answers

Answer:

helps regulate the rate at which air changes temperature

Usually a high specific heat capacity is an advantage as more energy is required to cause the substance to boil.

What principle of light’s behavior can be used to make a far away object appear closer and also make a small object appear larger? A. incidence B. reception C. transmission D. refraction

Answers

Answer:

I believe that the answer to this question would be D. refraction

Explanation:

because it changes direction of the light in don't know how to explain

Solar radiation can cause skin cancer in an individual. If a man with skin cancer caused by solar radiation has offspring, which of the following statements would be true? A. only the man getting skin cancer would be affected B. only the man and his male offspring would be affected C. only the man and his female offspring would be affected D. the man and all of his offspring would be affected

Answers

A. Only the man as it cannot be inherently passed on to offsprings

1
Which two ways do the black-tailed jackrabbit and the kit fox interact with the
desert environment?
Select two correct answers.
A
Black-tailed Jackrabbits and Kit Foxes interact with the desert
environment by providing food for plants.
Black-tailed Jackrabbits and Kit Foxes use water and air from the
environment to survive.
B
>
с
Black-tailed Jackrabbits and Kit Foxes obtain energy from consuming
other organisms.
Black-tailed Jackrabbits and Kit Foxes consume plants but do not
need the environment for survival
D
E
Black-tailed Jackrabbits and Kit Foxes meet their needs in their
environment by eating only plants for food.

Answers

Answer:

b

Explanation:

narvez 5. Everyone in Dobby's family has a long nose and they brag that they are from a purebred line. Viola has a stubby nose. Draw a punnett square to determine the possible types of noses their children could have had. (Use the genotypes from #2) a. List the possible genotypes and phenotypes for their children. b. What are the chances of a child with a long nose? out of or % c. What are the chances of a child with a stubby nose? out of st or__% d. Would their children be considered purebred like Dobby? Explain:​

Answers

Assuming a single diallelic gene coding for the trait and expressing complete dominance, the phenotypes, genotypes, and probabilities of getting each of them vary according to the parentals' genotypes. See the options below.

---------------------------------

Since I do not have the genotypes from #2, I will provide different potential scenarios for this question.

I advise you to check on them and see which one matches the genotype from #2.

Let us assume a single diallelic gene is coding for the trait and expresses complete dominance.

SCENARIO 1  ⇒ long nose is the dominant trait

Let us say that

L is the dominant allele and codes for long nosel is the recessive allele and codes for stubby nose

Since long nose is dominant over stubby nose

LL and Ll ⇒ long nosell ⇒ stubby nose

If Dobby comes from a purebred family and has long nose, his genotype must be LL.

And if Viola has stubbi nose, her genotype must be ll.

Cross 1

Parentals)    LL   x    ll

Gametes)  L    L     l    l

Punnett square)    L       L

                      l      Ll      Ll

                      l      Ll      Ll

F1) Genotype ⇒ 100% heter0zyg0us Ll

     Phenotype ⇒ 100% long-nosed

There is 100% chances for a child to have a long noseThere is 0% chances for a child to have a stubby noseThese children are not purebred

                                             **********

SCENARIO 2  ⇒ Stubby nose is the dominant trait

Let us say that

S is the dominant allele and codes for stubby noses is the recessive allele and codes for long nose

Since stubby nose is dominant over long nose

SS and Ss ⇒ stubby nosess ⇒ long nose

If Dobby comes from a purebred family and has long nose, his genotype must be ss.

And if Viola has stubbi nose, her genotype must be either SS or Ss.

There are two possible crosses.

Cross 1 : Violet is h0m0zyg0us dominant SS

Parentals)    SS   x    ss

Gametes)  S    S     s    s

Punnett square)   S       S

                      s     Ss     Ss

                      s     Ss     Ss

F1) Genotype ⇒ 100% heter0zyg0us Ss

     Phenotype ⇒ 100% stubby-nosed

There is 100% chances for a child to have a stubby noseThere is 0% chances for a child to have a long noseThese children are not purebred

Cross 2: Violet is heter0zyg0us, Ss

Parentals)    Ss   x    ss

Gametes)  S    s     s    s

Punnett square)   S       s

                      s     Ss     ss

                      s     Ss     ss

F1) Genotype ⇒ 50% heter0zyg0us Ss and 50% h0m0zyg0us recessive ss

     Phenotype ⇒ 50% stubby-nosed and 50% long-nosed

There is 50% chances for a child to have a stubby noseThere is 50% chances for a child to have a long noseThese children are not purebred

----------------------------

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You advise your pregnant friend to give her cat away becauseA. She could contract plague.B. She could give the cat tularemia.C. She could get toxoplasmosis.D. She could get listeriosis.E. You do not like cats and want to see your friend without one.Reset Selection

Answers

Answer:

c. she could get toxoplasmosis

Explanation:

she would be exposed to cat litter; cat litter usually carries those parasites that cause toxoplasmosis.

why do the scientists feel comfortable with calling the hybrids a new species

Answers

Answer:

1 . They have the potential to interbreed in nature . 2 . They can produce viable offspring if they do interbreed—that is, their offspring are healthy enough to produce offspring of their own . and also its new,

Explanation:

Describe the three methods for harvesting stem cells, for each method, explain the benefits of the method and the ethical concerns related to the method

Answers

Answer:  These stem cells are manipulated to specialize into specific types of cells, such as heart muscle cells, blood cells or nerve cells. The specialized cells can then be implanted into a person. For example, if the person has heart disease, the cells could be injected into the heart muscle.

Explanation: Describe the three methods for harvesting stem cells, for each method, explain the benefits of the method and the ethical concerns related to the method

Stem cells are specialized cells that can proliferate into many types of cells lineages. Umbilical cord blood collection, bone marrow harvesting and dental pulp collection are the methods.

What are stem cells harvest methods?

Stem cells can be collected from the blood and the tissues of the umbilical cord of the baby born and is an easy method that collects the cells from the umbilical cord and the placenta for future use.

The cells and the tissues are chopped and kept in the low temperatures that include the Mesenchymal stem cells in it. They are beneficial as they can treat cancers, anaemia etc. There are not many ethical issues related to umbilical cord use.

Stem cells can be derived from the bone marrow as this is the site where they originate from. The method uses the removal of the bone marrow from the pelvic bones and subjects them to the removal of the stem cells from the blood.

Stem cells from the bone marrow are used for the replacement of damaged cells. The use of the bone marrow and using human lives is the ethical issue concerned with bone marrow based stem cells.

The dental pulp collection method of the stem cells uses the method of deriving cells from the teeth region and are a source of the bone and the mesenchymal cells.

DPSCs can be used for cell banking and are the method that has no ethical concerns. It is simple can be done in dental routines.

Therefore, umbilical cord, dental pulp and bone marrow are the stem cells collection methods.

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Select ALL the correct answers.

A mother has blood type A and her son has blood type O. Which blood types are possible for the father?

A

O

AB

B

Answers

i would say just O :) have a good day

Answer: Blood types O, A, and B are possible for the father.

Explanation: Since the mother has type A blood, there are two possible genotypes that she can have: AA or AO. Since her son has type O blood, he only has one genotype: OO.

For blood types,

Type A - AA or AO

Type AB - AB

Type B - BB or BO

Type O - OO

* A and B are dominant over O.

Now we have to do crosses between the mother and the father:

AA mother with AB father: child with type AA or type AB blood

AO mother with AB father: child with type AA, AO, AB, or BO blood

AA mother with OO father: child with AO blood

AO mother with OO father: child with AO or OO blood

AA mother with AA father: child with type AA blood

AA mother with AO father: child with type AA or AO blood

AO mother with AA father: child with type AA or AO blood

AO mother with AO father: child with type AA, AO, or OO blood

AA mother with BB father: child with type AB blood

AA mother with BO father: child with AB or AO blood

AO mother with BB father: child with AB or BO blood

AO mother with BO father: child with AB, AO, BO, or OO blood

The father can have blood types O, A, or B.


9. WHY IS THIS (ANSWER TO #8. FROM ABOVE) MOLECULE SO IMPORTANT?

Answers

Answer: Adapter Molecule of RNA

Explanation:

It's a link for mRNA and amino acids.


Which organelle is only
found in plant cells?
A. chloroplasts
B. cell membrane
C. nucleus
D. mitochondria

Answers

Answer:

Chloroplasts Is the answer you are looking for.

Hope this helps!

PLEASE HELP!! 70 POINTS!!!
Explain how DNA is involved in creating genetic variation within a species. Is this considered a mutation, if so why?

Answers

Answer:

different strands creates different human characteristic

Jennipher was asked by her mother to take a certain kind of fish in a bucket full of water so that she can prepare it for meal.when jenipher touched the fish she felt like an electric shock to her hand. what behavioural mechanism did the fish generate?​

Answers

The fish use reacting behavioural mechanism in order to protect itself from the danger.

The fish uses reacting behavioural mechanism when the fish sense any type of danger surrounds it. This behaviour is a type of defense mechanisms which is used to defend and protect itself.

The fish apply electric shock in order to protect itself from the attackers and give harm to the other organisms which comes in contact with it so we can conclude that the fish use reacting behavioural mechanism in order to protect itself from the danger.

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Which of these is a compound?​

Answers

Answer:

your anwser would be sugar please mark brainliest

Explanation:

Answer:

I think it's sugar.

Explanation:

It is formed by a combination of three atoms: carbon, hydrogen and oxygen.

Select the TRUE statement about a resting neuron. a.) The cytoplasm side of a neuron is positively charged while the outside of the neuron has no charge. b.) The cytoplasm side of a neuron is negatively charged while the outside of the neuron is also negatively charged. c.) The cytoplasm side of a neuron is more negative than the outside of the neuron. d.) The cytoplasm side of a neuron is more positive than the outside of the neuron.

Answers

Given what we know about the nervous system and resting neurons, we can confirm the cytoplasm side of a resting neuron is more negative than the outside of the neuron.

What is a neuron?Neurons are specialized cells that make up the nervous system in the body. Their primary function is to act as messengers, delivering information in the form of electrical impulses and neurotransmitters. These neurons work using rapid shifts in membrane potentials.In order to do this, the starting value or resting point of the membrane is negatively charged.

Therefore, we can confirm that since neurons function using shifts in membrane potentials, the starting point or resting form of a neuron has a negatively charged membrane, meaning that the cytoplasm side of a resting neuron is more negative than the outside of the neuron.

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Could there be winds without differential heating? Using evidence from Unit 5 explain what differential heating is and whether this effects the earth’s global wind patterns.
HELPPP PLEASE SITE EVIDENCE (WILL MARK BRAINLIEST)!!!!!!!!

Answers

Differential heating is responsible for the wind patterns across the globe.

Differential heating is defined as the difference in heating of air on the land versus water. Sea breezes occur when land heats up faster than water which rises and creates a low pressure system. The high pressure air from the sea influxes is responsible for the creation of a sea breeze.

Unequal heating of the Earth's surface is responsible for the formation of large global wind patterns. Warm air rises at the equator and moves toward the poles while on the other hand, the cooler air rises at the poles and moves back toward the equator so in this way the earth’s global wind patterns occurs so we can say that differential heating is responsible for the wind patterns across the globe.

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Did the predators prey on the two variations of moths equally?

Answers

Answer:

This is true.

Explanation:

I did the test.

organisms can be made up of many________

Answers

Answer:

individual organisms can be organized into the following levels: cells, tissues, organs, and organs systems.

organ systems > organs > tissues > cells

The ___ is a short loop from the heart to the lungs and back again. HELP

Answers

Answer:

pulmonary circulation

Explanation:

it's a short loop from the heart to the lungs back again

Are gender traits completely a result of societal expectations?
Are there any parts of the human body that get oxygen directly from the air and not from the blood?

Answers

Answer:nope there are no parts like that.

Explanation:

our body uses energy in the form of ATP which is a by product of respiration.

Glucose molecue is broken down into water and ATP molecule.

So our body only take oxygen from blood.

We don't have stomata all over our body dude!

Name one observation in a urine culture that would result in a rejection of the specimen and
culture.

Answers

Answer:

What are 3 things that can be tested in a urinalysis to look for abnormalities?

Things the dipstick test can check for include:

Acidity, or pH. If the acid is abnormal, you could have kidney stones, a urinary tract infection (UTI), or another condition.

Protein. This can be a sign your kidneys aren't working right. ...

Glucose. ...

White blood cells. ...

Nitrites. ...

Bilirubin. ...

Blood in your urine.

Explanation:

scientists have discovered a mutation that prevents the formation of which are responsible for separating chromosomes

Answers

The chromosomes are separated by a structure called the mitotic spindle. The mitotic spindle is made of many long proteins called microtubules, which are attached to a chromosome at one end and to the pole of a cell at the other end. The sister chromatids are separated simultaneously at their centromeres

diegetic sound in the film monkeys paw 2011

Answers

That your digestive monkeys are from the ancient sanctuaries of the ancient Egyptian Mona Lisa in 2011 Mona Lisa is took a mayonnaise piece of bread and smooshed it onto the ancient Egyptian men for disrespecting her culture because the ancient Egyptian men wanted to dress like blatant don’t know what I’m saying just kidding hi

Which of the following is a correct association?

Answers

Answer:

The first one

Explanation:

because it has the most words on their.

The correct association is option a.The cell synthesises proteins and organelles in the G2 phase (also known as the "Gap 2 phase") of the cell cycle in order to prepare for cell division.

The cell enters the G2 phase following DNA replication, which takes place during the S phase. In order to manufacture the elements required for cell division, the cell continues to expand and goes through further protein synthesis during this phase. These proteins play a role in the development of the mitotic spindle, control of cell cycle checkpoints, and cytoskeleton organisation.

The cell also creates organelles like the mitochondria and endoplasmic reticulum to make sure there will be enough energy and cellular building blocks for the impending division in the phase.

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Choose ALL of the correct answers.

Which of the following must be true in order for natural selection to occur?

Group of answer choices

There must be variation in traits in the population

The trait must cause the individual to evolve

The trait must have no other advantage in fitness

The trait must be for the good of the species

The trait must be heritable

The trait must advance the goal of evolution

Answers

Answer:

For natural selection to occur, it is true that there must be genetic variation in the population.

Explanation:

According to evolution, natural selection implies the changes that occur in the genotype of a species, due to the effect of environmental factors, and which guarantee its survival through adaptive evolution.

For natural selection to occur, three fundamental conditions must exist:

A trait that can be inherited from one generation to another.

The trait is subject to variability between subjects of the same species.

Genetic variability can determine the possibility of reproductive success and survival.

Therefore, a necessary factor for natural selection to occur is that genetic variability exists in the population.

For natural selection to occur :-

There must be variation in traits in the population.The trait must cause the individual to evolve.The trait must be for the good of the species.The trait must be heritable.The trait must advance the goal of evolution.

What is Evolution?It is the change in the characteristics of a species over several generation.It relies on the process of natural selection.

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HELP!!!!!
If one strand of DNA has the nitrogenous bases: AGT CTC TAG AGC TAT CGT GCG, what is the order of nitrogenous bases on the complementary DNA strand?

Answers

Answer:

Hey there you got this! remember that A -T and C-G for the complement strand. Don't forget the 5' to 3'.

Usualy teachers if they don't specificy then the one you are given is 5' to 3' which means the mone you make lokking left to right is 3' to 5'. Make sure to choose the correct answer choice that looks like this.

D D 4) After making an observation, what does a scientist ask?
What if I don't clean my room?
Are all doctors scientists?
A problem question.
What did someone else say about the same topic?
Who might disagree with me?

Answers

What did someone else say about the same topic

If you gently bend your ear, and then let go, the shape of your ear will return because the cartilage of your ear contains_____.

Answers

Answer:

If you gently bend your ear, and then let go, the shape of your ear will return because the cartilage of your ear contains elastic fibers.

Other Questions
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