Somebody help me with these 4 questions please

Answer:

There are four steps in solving a stoichiometry problem:

Write the balanced chemical equation.

Convert the units of the given substance (A) to moles.

Use the mole ratio to calculate the moles of wanted substance (B).

Convert moles of the wanted substance to the desired units.

Explanation:

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Answer:

Haploid describes a cell that contains a single set of chromosomes. ... In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. The number of chromosomes in a single set is represented as n, which is also called the haploid number.

Answer:

it is A

Explanation:

it A because it is a balance the predator eat the pray so it does not over populate

Answer:

1.

Individual

2.

Population

3.

Community

4.

Ecosystem

5.

Biome

6.

Biosphere

Definition to the correct ecological level are:

1. Individual is one organism.

The individual is a single organism or a specific species.

2. Population is a group of organisms of the same species in the same area.

A population is a group of organisms of the same species in the same area.

3. All the living things in an area is called Community.

A community is a group of different populations interacting in an ecosystem.

4. Ecosystem is biotic and abiotic factors in an area.

An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.

5. All the ecosystems in a climatic region is called Biome.

A biome is an area classified according to the species that live in that location.

6. Biosphere support all areas that can support life.

What is Biosphere?

The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.

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Answer:

C.) lungs

Explanation:

In the cladogram, amohibians and reptiles are seperated under the 'lungs' branch.

Therefore, having lungs is a shared characteristic among amphibians and reptiles

According to the cladogram bony skeleton and lungsare the derived characteristic shared by amphibians and reptiles. Hence the correct option is C.

A bony skeleton is a derived characteristic shared by both amphibians and reptiles. Unlike more ancient organisms like cartilaginous fish, which have a skeletal structure made of cartilage, both amphibians and reptiles have evolved to possess a bony skeleton composed of hard, calcified bones. This bony framework provides greater support and protection.

Lungs are another derived characteristic shared by amphibians and reptiles. As vertebrates that have adapted to life on land, both groups require a reliable respiratory system to breathe air. Lungs are specialized respiratory organs that enable these organisms to extract oxygen from the air and release carbon dioxide.

Hence the correct option is C.

The given question is incomplete, the complete question is

According to the cladogram which of the following is the derived characteristic shared by amphibians and reptilesbony skeletonlungs.

a. Bony skeleton

b. Lungs

c. Both a and b

d. Neither a nor b

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Answer:

D. All of the above

Explanation:

Pollution makes ground water un-usable

Rate of Replenishment causes droughts, at the rate we use it.

Lack of precipitation results in little rainfall, making no groundwater

Answer:

D

Explanation:

Answer:

It’s D

Explanation:

450 % change occur in the amount of runoff in urban area as compared to forest area.

450 % is the percent change in the amount of runoff in urban areas as compared to forested areas. We can see in the diagram that in forest area only 10% is runoff water while some is absorbed by the soil and other evaporated in the air.

While on the other hand, in urban area 55% of water leaves the area through runoff which is 45 % higher than forest area so when we put these values in the formula of percent change we get 450 % so we can conclude that 450 % change occur in the amount of runoff in urban area as compared to forest area.

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Answer:

4. It is the lymphatic system

5. False, the excretory system is responsible for waste material.

Explanation:

La respuesta correcta para esta pregunta abierta es la siguiente.

A pesar de que se te olvidó incluir las opciones o incisos para responder a tu pregunta, podemos comentar lo siguiente, basándonos en nuestro conocimiento sobre la materia.

Podemos pensar que la hormona que no produce este niño que sufre de gigantismo es la hormona llamada somatotropina. Esta hormona es muy importante durante el crecimiento y desarrollo del niño en la infancia porque secreta la adenohipófisis, una glándula vital para el correcto y proporcionado desarrollo en la etapa de la niñez.

Entonces, si no hay una secreción correcta de la hormona somatotropina, ésta hace que el niño desarrolle la condición llamada gigantismo.

Entonces podríamos decir lo siguiente.

Un estudiante presenta una condición especial llamada gigantismo su altura es mucho mayor que la de los compañeros de la misma edad y se descarta que la causa sea un problema heredero podemos suponer que este estudiante tiene insuficiente de la hormona de crecimiento o somatotropina. Esta hormona no ingresa a las células en su mecanismo de accion por ser una derivación de aminoácidos.

Answer:

1:2:1

Explanation:

When we say genotype, we are talking about the different type of allele combinations. Phenotype is when you are looking at dominant recessive ratios.

Answer:

Grandmother - grandson.

Explanation:

The genetic relationship between individuals Level 1 - 2 and Level  III - 4 is grandmother - grandson because the gap between individuals is two generations. The circular shape represents male while on the other hand, the square shape represents female individual. So we know that in the first level, the second individual is square which means it is a female while on the other hand, in the third level, the fourth individual is circular that represents male so it is a relationship of grandmother - grandson.

Answer:

They work together in the digestive system to make the food originate from the esophagus to the anus.

Explanation:

Answer:

Glands in your stomach lining make stomach acid and enzymes that break down food. Muscles of your stomach mix the food with these digestive juices. Your pancreas makes a digestive juice that has enzymes that break down carbohydrates, fats, and proteins, along with your liver that makes a digestive juice called bile, which helps digest fats and some vitamins. The pancreas delivers the digestive juice to the small intestine through small tubes called ducts. Bacteria in your small intestine make some of the enzymes you need to digest carbohydrates. It also absorbs water with other nutrients. Bacteria in your large intestine help break down remaining nutrients and make vitamin K NIH external link. Waste products of digestion, including parts of food that are still too large, become stool.

Some extra info:

Stomach. Glands in your stomach lining make stomach acid and enzymes that break down food. Muscles of your stomach mix the food with these digestive juices.  

Pancreas. Your pancreas makes a digestive juice that has enzymes that break down carbohydrates, fats, and proteins. The pancreas delivers the digestive juice to the small intestine through small tubes called ducts.

Liver. Your liver makes a digestive juice called bile that helps digest fats and some vitamins. Bile ducts carry bile from your liver to your gallbladder for storage, or to the small intestine for use.  

Small intestine. Your small intestine makes digestive juice, which mixes with bile and pancreatic juice to complete the breakdown of proteins, carbohydrates, and fats. Bacteria in your small intestine make some of the enzymes you need to digest carbohydrates. Your small intestine moves water from your bloodstream into your GI tract to help break down food. Your small intestine also absorbs water with other nutrients.

Large intestine. In your large intestine, more water moves from your GI tract into your bloodstream. Bacteria in your large intestine help break down remaining nutrients and make vitamin K NIH external link. Waste products of digestion, including parts of food that are still too large, become stool.  

Hope this helps, have a great day/night!

Answer:

15200

Explanation:

76,000 divided by 5

Answer:

such as glucagon, bind to membrane-bound receptors. The binding of the hormone triggers a signal transduction pathway, a process of molecular changes that turns the hormone's extracellular signal into an intracellular response.

Explanation:

How does an amino acid-based hormone changes a cells activity ?

The majority of amino acid-based hormones, such as glucagon, bind to membrane-bound receptors. The binding of the hormone triggers a signal transduction pathway, a process of molecular changes that turns the hormone's extracellular signal into an intracellular response.

I really hope this helps!! Have an amazing day <3

Answer:

a

Explanation:

Answer:

D. Cup 4 had the lowest rate of photosynthesis because it had the least CO2.

Explanation:

Carbondioxide gas is the main reactant for the process of photosynthesis which decides the production of food in the leaves. If plants has high amount of carbondioxide gas and water so in the presence of sunlight it produces more food in the leaves in the form of glucose so we can conclude that the  lowest rate of photosynthesis occurs due to presence of least concentration of carbondioxide gas in the cup 4.

Answer:

the answer is C) made of a single cell

Answer:

UGU UAU AUC GAA AAC UAA

Explanation:

Hello There!

These are the transcription pairings

Adenine (A) to Uracil (U)

Thymine (T) to Adenine (A)

Cytosine (C) to Guanine (G)

Guanine (G) to Cytosine (C)

So given the DNA strand ACA ATA TAG CTT TTG ATT

We pair each nucleotide with its matching nucleotide (parings are provided above)

A to U

C to G

A to U

A to U

T to A

A to U

T to A

A to U

T to A

A to U

G to C

C to G

T to A

T to A

T to A

T to A

G to C

A to U

T to A

T to A

The finished mRNA strand looks like this

UGU UAU AUC GAA AAC UAA

Answer:

part b is the right answer

Explanation:

The amount of the gravitational force doubles

When the mass of an object doubles; The amount of gravitational force between it and another object whose mass stays the same doubles.

According to Newton's law of universal gravitation;

On this note, since the mass of the other object is kept constant; the gravitational force is doubled when the mass of the object is doubled.

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Answer:

35% - adenine

35% - thymine

Then you have cytosine which is paired with guanine and they will both have a percent of 15.

15% - guanine

15% - cytosine

Explanation:

Answer:

A

Explanation:

D isn't a real thing in the cell

Answer:

2 ATPs and 2 NADH

glycolysis produce for each glucose?

Answer:

#2  -  "2 ATPs and 2 NADH"

Explanation:

The phylogenetic tree shown shows tree finches and cactus finches have a common ancestor. So, the correct option is D.

A branching diagram that depicts the evolutionary relationships between a set of creatures, species, or genes is called a phylogenetic tree, sometimes referred to as an evolutionary tree. On the basis of the similarities and contrasts in their physical or genetic traits, it depicts the evolutionary history of these groups.

We can draw the conclusion that cactus and tree finches are more closely connected to one another than they are to any other finch species on the tree. The diagram does not indicate if tree finches and warbler finches are more or less closely related to one another, or whether cactus finches and warbler finches are.

Therefore, the correct option is D.

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Answer:

all of them

Explanation:

The shape, size, daily activities, structure, and function of an organism can be determined by the fossil. Hence all options are correct.

Any surviving remains, impression, or evidence of a once-living thing from a previous geological epoch is referred to as a fossil. Examples include exoskeletons, bones, shells, animal or microbe imprints in stone, items preserved in amber, hair, petrified wood, and DNA traces. The fossil record is the collection of all fossils.

The study of ancient plants and animals that have subsequently faced extinction or have evolved into present species is made possible by the discovery of fossils.

Important evidence for evolution and the environmental adaptability of plants and animals can be found in fossils. Hence, all options are correct.

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Answer:

Eukaryote; isn't a plant animal, or fungus

Explanation:

Because Protist has many organisms that are related to the other kingdoms of animals, plants, and fungi. Protists is a word that is know used as a "eukaryote that isn't a plant, animal, or fungus."

Answer:

air, water, and a habitable earth

Explanation:

the resources are oxygen from air, fish from water, and fruits, vegetables, meat, and herbs that can help with health.

Answer:I think it’s “provides nutrients to muscle cells

Explanation: