Your teacher gives you a task in science class. You must decide which of the five samples you are given are alive or were once alive. One specimen is a crust gray-green object. What is the BEST clue you could use to decide: living thing or not a living thing.

A) Does it move?
B) Does it have DNA?
C) Is it made of cells?
D) Can it make its own food?

Answers

Answer 1

The best clue that can be used to decide living thing or not a living thing is the observation of living or dead cells present in the specimen. All the living or dead organisms exhibit cells. Cell is a structural and functional unit of life. The growth and metabolism of living organism are dependent upon a cell. A cell in a life form exhibit organelles and components which are not found in non-living objects

Answer 2

The BEST clue you could use to decide: living thing or not a living thing- is option C. is it made of cells and

The living things have some basic characteristic features of life in them that help in determining if an object or thing is living or nonliving thing. these characteristic can be present in all or some, are as follows:

Cellular organization - made of cell is very basic trait of life of every living being.the ability to reproduce - it is present in almost every living thing it could be sexual or asexual.growth & development - living things grow and developenergy use - use energy to perform various functionshomeostasis - regulate according the environmentGenetic material : it can have DNA as genetic material

thus, there is two options only that present in every living organism that are made of cells and presence of DNA, but for DNA one need to investigate thoroughly so the correct answer is - C) Is it made of cells?

Learn more about characteristic of life:

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Related Questions

Which of the following distinguishes how auxins affect plant stems?


Auxins enable plant stems to search for water.

Auxins give plant stems their strength and rigidity.

Auxins enable plant stems to reach for sunlight.

Auxins give plant stems their green pigmentation.

Answers

Answer:

D.

Explanation:

Answer:

b

Explanation:

Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). They are produced in the stem, buds, and root tips. ... This produces a curving of the plant stem tip toward the light, a plant movement known as phototropism. Auxin also plays a role in maintaining apical dominance.

Which statements describe a bacteriophage? Select all that Apply.

A. It is a type of virus that infects bacteria.

B. It is a type of bacteria that infects viruses

C. It is a virus consisting of a protein coat and a DNA core.

D. It is a bacterial strain consisting of protein and a DNA core.​

Answers

The answer is A because none of the rest apply to what a bacteriophage actually does

Answer:

The answer is A, and C.

Explanation:

What organisms are capable of photosynthesis?
A. Plants only
B. Plants and algae only
C. Plants and some bacteria only
D. Plants, algae, and some bacteria

Answers

Answer:

D) Plants, algae, and some bacteria

Explanation:

Photosynthetic organisms include plants, algae, euglena and bacteria

During what phase of meiosis does both nuclei dissolve, spindle forms?

Answers

Answer:

Prophase I

Events of Prophase I (save for synapsis and crossing over) are similar to those in Prophase of mitosis: chromatin condenses into chromosomes, the nucleolus dissolves, nuclear membrane is disassembled, and the spindle apparatus forms. Major events in Prophase I.

Enzymes can be regulated in a multitude of ways. One such way is by covalent modification, in which functional groups are attached to or removed from the enzyme. One such functional group that can be added to an enzyme is a phosphate group. Depending on the enzyme, addition of a phosphate group may increase or decrease that enzyme's activity. Which of the following is the general name of an enzyme that functions to add phosphate groups to its substrate?

a. Oxidoreductases
b. Ligases
c. Hydrolases
d. Isomerases
e. Transferases

Answers

Answer:

Option E

Explanation:

Transferase enzyme are able to transfer a molecule or atom from one compound to the other.  

For example – In the process of phosphorolysis,  add phosphate to the substrate group .  

X-Y + Z = X + Z-Y

Here Z in the phosphate group  

Hence, option E is correct

Which property of water allows it to dissolve substances like sodium Which property of water allows it to dissolve substances like sodium chloride and glucose but prevents it from dissolving lipids?

A. pH

B. polarity

C. adhesion

D. cohesion

Answers

It's polarity I think

Polarity is an intrinsic property of water associated with its behavior to dissolve substances like sodium chloride and glucose.

What is polarity?

It is a property of high importance because it defines the behavior of these related to other properties.

It represents the unequal electrical charges in the same molecule, said unequal splitting of electrons makes water a polar molecule.

Therefore, we can conclude that polarity is an intrinsic property of water associated with its behavior to dissolve substances like sodium chloride and glucose.

Learn more about polarity here: brainly.com/question/12628409

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Ducks are aquatic birds. Their feet are webbed and this trait makes them fast swimmers. Biologists believe that ducks evolved from land birds, which did not have webbed feet. How could this have happened

Answers

Answer:

Random chance mutations led to the webbed feet trait in ancestral land birds, conferring them an adaptive advantage. Birds that inherited the beneficial random mutations associated with the webbed feet trait had more chances to survive and reproduce, passing this trait to the next generations.

Explanation:

Mutations are ramdom changes in the nucleotide sequence of the genome of a particular organism. In general, mutations are deleterious, but mutations may occasionally be beneficial in certain environments. A beneficial mutation must be associated with one or more phenotypic traits capable of conferring an adaptive advantage in a certain environment, thereby the individuals carrying the mutation have more chances to reproduce and survive. In this case, one or more beneficial mutations associated with the webbed feet trait passed to the next generations, increasing their frequency in the population.

Which of the following describes a lysosome

Answers

A tiny, membranous sac that contains enzymes that degrade worn cell parts and debris. ... the cell will swell and may eventually burst.

what are two good things that science has done for people, animals, or the earth

Answers

am i think amm people and animals but can be earth.

i think PEOPLE AND EARTH

Explanation:

people u can find things

77 POINTS, PLEASE HELP ASAP

1): Lily is dressing up as a chicken for Halloween this year and is flapping her arms like a bird as she walks from house to house. As Lily flaps her arms down to her sides, what type of movement is occurring?

2): Katie loves pretending that she’s a human cannonball. As she jumps off the diving board, she assumes the proper position before she pounds into the water: head and thighs tucked against her chest; back rounded; arms pressed against her sides while her forearms, crossed in front of her shins, hold her legs tightly folded against her chest. What movement term would best describe the positioning of Katie’s vertebral column, head, thighs, lower legs and lower arms? HINT: She is about as far from the anatomical position as she can get.

Answers

Answer:

1. abduction & abduction

2. flexed

what is a natural resources ??​

Answers

Answer:

A natural resource is something found naturally that can be used by humanity to accomplish tasks. For example, wood is a natural resource as its found in nature and can be used by humanity for building and making fire for food and heat.

Explanation:

3+4-8×2 (4+2) answer of GEMDAS

Answers

Answer:

-89 is the answer

Explanation:

The answer: -89
Explanation: Use PEMDAS. So you would solve whats in the parentheses first, so 4+2 is 6. Then you do the multiplication so 8 times 2 is 16 and then 16 times 6 is 96. You are then left with 3+4-96. So you add the 3+4 and you are left with 7-96 which is -89.

What is the function of the phloem?

Answers

Answer:

The phloem transport food which is synthesized in leaves by the process of photosynthesis to the lower part of the tree or plant.

hope it helps

Which mutation is harmful to the organism

A, a mutation allowing moths to camouflage better on blackened tree bark

B, a mutation making staphylococcus aureus resistant to the antibiotic methicillin

C, a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell

D, a mutation causing uncontrolled cell division

E, a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Answers

Answer:

D,The Mutation causing uncontrolled cell division is the correct answer.

How many family members have dimples?

Please help!

Answers

Answer:

4

Explanation:

Shaded means that the family members are affected (which in this case means having dimples)

Answer:

5

Explanation:

How “Competition in an ecosystem” is playing a role in life?

Answers

Answer:

Competition is an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor.

Explanation:

Osmosis is defined as movement of SOLVENT across a ___________ membrane

Answers

Answer:

Osmosis is defined as movement of SOLVENT across a semipermeable membrane.

Explanation:

Hope this helps!

How can prey and predators be limiting factors for a population?
a. Unpredictable
b. Too many predators or too little prey can decrease a population
c. Too little predators or too many prey can decrease a population
d. Too many predators can limit a population
e. Predators and prey limit popuations

Answers

Answer:

b

Explanation:

your answer is B.

quick explanation: when there is the overpopulation of a predator species and there isnt enough prey for them to eat they risk extinction due to starvation.

A cell has two pairs of submetacentric chromosomes, which we will call chromosomes Ia, Ib, IIa, and IIb (chromosomes Ia and Ib are homologs, and chromosomes IIa and IIb are homologs). Allele M is located on the long arm of chromosome Ia, and allele m is located at the same position on chromosome Ib. Allele P is located on the short arm of chromosome Ia, and allele p is located at the same position on chromosome Ib. Allele R is located on chromosome IIa and allele r is located at the same position on chromosome Ib. Allele G is located on the long arm (q arm) of chromosome Ia, and allele g is located at the same position on chromosome Ib. Allele N is located on the q arm of chromosome IIa and allele n is located at the same position of chromosome IIb.

Required:
a. Draw these chromosomes, identifying genes R, r, G, g, N, and n as they might appear in metaphase I of meiosis. Assume there is no crossing over.
b. Taking independent assortment and the subsequent random separation of chromosomes in anaphase I, draw the chromosomes, with genes identified, present in all possible gametes that could result once this cell completes meiosis. As above, assume there is no crossing over. Explain in your own words what is meant by independent assortment.

Answers

Answer:

Note: You will find the chromosomes and the gametes in the attached files

Chromosomes:

IA    ----------G-----о---------IB     -----------g-----о----------IIA    --------N--------------о------R----IIB   ---------n--------------о-------r----      

Gametes:

Gamete 1:  GNR          Gamete 2: Gnr            Gamete 3: gNRGamete 4: gnr

Independent assortment occurs when the alleles of two or more different genes distribute in the gametes independently from each other.

Explanation:

Available data:

two pairs of submetacentric chromosomes

IA     -------------------о-----------

IB     -------------------о-----------

IIA    ----------- ------------о------------

IIB    ------------------------о------------

chromosomes Ia and Ib are homologs

IA     -------------------о-----------

IB     -------------------о-----------

chromosomes IIa and IIb are homologs

IIA    -----------------------о------------

IIB    ------------------------о------------

Allele M is located on the long arm of chromosome Ia, and allele m is located at the same position on chromosome Ib

IA     -------M----------о-----------

IB     -------m----------о-----------

Allele P is located on the short arm of chromosome Ia, and allele p is located at the same position on chromosome Ib.

IA     -------M----------о------P---

IB     -------m----------о------p----

Allele R is located on chromosome IIa and allele r is located at the same position on chromosome IIb.

IIA    ------------------------о------R----

IIB    ------------------------о-------r----

Allele G is located on the long arm (q arm) of chromosome Ia, and allele g is located at the same position on chromosome Ib.

IA     -------M---G-----о------P---

IB     -------m----g-----о------p----

Allele N is located on the q arm of chromosome IIa and allele n is located at the same position of chromosome IIb.

IIA    --------N--------------о------R----

IIB    ---------n--------------о-------r----

A). Draw these chromosomes, identifying genes R, r, G, g, N, and n as they might appear in metaphase I of meiosis. Assume there is no crossing over.

IA     ----------G-----о---------

IB     -----------g-----о----------

IIA    --------N--------------о------R----

IIB    ---------n--------------о-------r----

During metaphase I, homologous pairs together migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles. The random arrangement of tetrads is different in every cell going through the meiosis process. There is no equal alinement between two cells. When tetrads aline in the equatorial plane, there is no predetermined order for each of the homologous chromosomes of each tetrad to face one of the poles and then migrate to it while separating. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the number of variations in each cell is also different and depends on the chromosomes that form that cell. This random order in the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get the same genetic charge.

B). Taking independent assortment and the subsequent random separation of chromosomes in anaphase I, draw the chromosomes, with genes identified, present in all possible gametes that could result once this cell completes meiosis. As above, assume there is no crossing over. Explain in your own words what is meant by independent assortment.

Independent assortment occurs when the alleles of two or more different genes distribute in the gametes independently from each other. In other words, a gamete receives an allele from a gene that does not depend on nor influence the allele of another gene in the same gamete. This can only be applied to independent genes. An organism gets only one of the members of the chromatids pair of each parent.

During gamete formation in meiosis, the pairs of homologous chromosomes separate after crossing over, and then chromatids sisters also separate, resulting in the formation of four gametes. Each gamete has different information from the combination of homologous chromosomes belonging to the father and to the mother.

There are four possible combinations, considering that there is no crossing over.

Gamete 1:   GNRGamete 2: GnrGamete 3: gNRGamete 4: gnr

) total suspended solids are mostly responsible for
a) turbidity b) colour c) odour d) taste

Answers

Answer:

I think the answer is colour

A biologist grow a plant inside a sealed glass jar. The plant keeps growing for several days but then dies. At the start of the experiment, the jar had a mass of 3 kg. At the end of the experiment, it still had a mass of 3 kg. Which of the following explains why the mass was the same? * (1 Point)

•The plant created mass.

•The jar's temperature was the same as before.

•The jar was sealed and new mass could not enter.

•The plant did not grow enough to add mass to the jar.​

Answers

Answer:

A planta não cresceu o suficiente para adicionar massa ao jarro

What do you mean by "in atleast 5 sentences" We were asked to write about typhoon Yolanda in atleast 5 sentences. So what do you mean by that?

Pls help.​

Answers

Answer:It means  in 5 sentences write about typhoon Yolanda

Explanation:

What is the phenotype and genotype?

Answers

Answer:

nwn . what's ?

lghtigrt ok njn

A phenotype is an observable characteristic , so it would be the fur we can see. the genotype is what we cannot see- the recessive white fur

Darla is a crime scene Investigator searching for latent bloodstains. She uses a chemical process that makes blood more visible, or darker, to the naked eye. Which chemical Is she using? Α) Luminol B) Fluoresceln C) Leuco Crystal Violet D) Ascetic acid​

Answers

Answer:

C

Explanation:

Leuco Crystal Violet.

Name two cord-mediated reflexes

Answers

Answer:

patellar, Achilles,

Explanation:

learned it in class

Please help me ASAP please

Answers

Im pretty sure he is affected

Answer:

D

Explanation:

Because the grandparents are at the top he started it basically.

When basaltic lava flows in channels or lava tubes it can move up to 30 km/hr (19 mi/hr). How would this type of flow affect the time it took the lava to reach the town?

Answers

Answer:

The time will be "2 hours".

Explanation:

Around 10 km/hr, lava eruptions were travelling. The vents was just 15 km (9.3 mi) away Kalapana city as well as 20 km (12.6 mi) from Pahoa city.  

So, we therefore need add the method, which would be: to taking out another time that civil defense officials just had to assess a city.

⇒  

Thus, to measure the time spent throughout the community of Kalapana,

⇒  

             

An earthquake is best described as a
I need an edg answer

Answers

Answer:

short term

Explanation:

Answer:

short term

Explanation:

please mark as brainliest


1. Explain how the atomic number and mass number of an atom can be used to determine the number of
electrons and of neutrons respectively.

Answers

Because the total of neutron and proton/electron is the atomic mass. So if you wanna find proton/electron and you know the neutron, just minus the atomic number with the neutrom and you will get the proton

Here if you need the formula

Atomic number = Total neutron + Total proton or electron

A new human species was found on a distant planet, whose genetic inheritance and process of reproduction is identical to that of humans on earth, however, their phenotypes are much different. You are tracking two phenotypes in this new species: eye shape and tail size. The single gene that controls eye shape (gene E) is unlinked from the single gene that controls tail size (gene T). Square eyes is the dominant eye shape and round eyes is the recessive eye shape. Long tail is the dominant tail size and short tail is the recessive tail size.

Required:
An individual of this new species is heterozygous for gene E and heterozygous for gene T. What is their genotype and phenotype?

Answers

Answer:

The individual has the genotype Ee (for the eyes) and Tt (for the tail) and has square eyes and a long tail.

Explanation:

If an individual is heterozygous, it means that he has a dominant allele and a recessive allele for each genotype. In this case, if the individual is heterozygous for the E gene, he has the genotype formed with the "Ee" alleles. If the same individual is heterozygous for the T gene, it has the genotype formed by the "Tt" alleles.

Individuals with heterozygosis will present phenotypes related to the dominant allele, since the recessive allele is only expressed in hom0zygosis. In this case, the individual will have the phenotype square eyes and long tail.

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