Macromolecules are labeled as organic because they contain which element?
Group of answer choices

oxygen

nitrogen

carbon

hydrogen

Answers

Answer 1

Answer:

Carbon and hydrogen

Explanation:


Related Questions

How is the process of using fossil fuels to produce electricity similar to and different from using nuclear power to produce electricity?

Answers

Answer:

The pressure of the steam turns a generator, which produces electricity. The difference is in how the heat is created. Power plants that run on fossil fuels burn coal, oil or natural gas to generate heat. In a nuclear energy plant, heat is produced from splitting atoms – a process called nuclear fission.

Explain the unique information trace fossils and coprolites can help scientists infer about an organism

Answers

Fossils form on the under ground......

They're trace fossils, not animal bodies. This coprolite can reveal an animal's diet. Scientists can determine what animal dropped coprolites based on its shape, size, and location.

What are coprolites?

Fossilized feces are known as coprolites. Because coprolites provide information for the animal's behavior rather than its shape, rather than being considered body fossils, they are instead categorized as trace fossils.

 A coprolite  can provide researchers with information about an animal's nutrition. Scientists are able to determine the species of animal that may have been responsible for the droppings by analyzing the shape and size of the coprolites as well as the location where they were discovered.

Because coprolites have a propensity to deteriorate so quickly, we only find them very infrequently. They are the marine species that are found the most frequently. The presence of coprolites in fish and reptiles is very common.

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Adaptations that result from natural selection are expected to increase
the fitness of an organism. In terms of natural selection, which of the
following best describes fitness?
A Being able to escape from predators
B Being among the strongest organisms in a population
C Being able to survive, find a mate, and produce offspring
D Being able to survive long enough to reach the adult stage
A prey population consists of individuals with a variety of running speeds. 10 points

Answers

Answer:

C

Explanation:

Trust meeeeeeeeeeeeee

Describe gastrulation. Why are the three layers important in development?​

Answers

Explanation:

Cells in each germ layer differentiate into tissues and embryonic organs The ectoderm gives rise to the nervous system and the epidermis, among other tissues

Fossils are often hardened remains of organisms that once lived, such as a bone or tooth. Which characteristic of sedimentary rock makes
it likely for fossils to be found in this type of rock?

A. An organism's remain become hardened when covered by melted rock.

B. Organisms are changed into rock by high temperature once they are no longer living.

C. The remains of organisms are buried under layers of sand, shells, and bits of rock.

D. The bones of an organism are pulled below Earth's surface during an earthquake.

Answers

Answer:

C as most fossils are created in the ocean

Explanation:

If i'm wrong please tell me if i'm right please mark me brainliest

Please define the terms, don’t copy and paste. I’m giving 15 points for it

Answers

Algae: any of numerous groups of chlorophyll-containing, mainly aquatic eukaryotic organisms ranging from microscopic single-celled forms to multicellular forms 100 feet (30 meters) or more long, distinguished from plants by the absence of true roots, stems, and leaves and by a lack of nonreproductive cells in the reproductive structures: classified into the six phyla Euglenophyta, Crysophyta, Pyrrophyta, Chlorophyta, Phaeophyta, and Rhodophyta.

Amboeda: any of a large genus (Amoeba) of naked rhizopod protozoans with lobed and never anastomosing pseudopodia, without permanent organelles or supporting structures, and of wide distribution in fresh and salt water and moist terrestrial environments

Asexual reproduction: reproduction (as cell division, spore formation, fission, or budding) without union of individuals or gametes

Cilia: minute short hairlike process often forming part of a fringe

Diatom: any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form diatomaceous earth

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Without the discovery of magnetic reversals recorded on the ocean floor, scientists
a
could not confirm the usefulness of sonar

b
could destroy the hypothesis of continental drift

c
could not provide a mechanism for moving continents

d
could explain how the seafloor was being destroyed

Answers

Answer:

Could not obtain evidence for the hot spot hypothesis. Which of course helps scientist know where under water volcanoes might Be. This is helpful in learning more about sea life and the sea floor and what goes on in an ecosystem located under water.

HAHAHA GOTTIE

Explanation:

During translation small organelles called __ read the mrna sequence ?

Answers

Answer:

thjs may be wrong but I am not sure ribosomes

Where does cellular respiration occur within the cell?
O A. Extracellular space, cytoplasm,
inside mitochondria.
B. Cytoplasm, mitochondrial
matrix, inner mitochondrial
membrane.
C. Cytoplasm, inner mitochondrial
membrane, mitochondrial
matrix.

Answers

Answer:

B. Cytoplasm, mitochondrial

matrix, inner mitochondrial

membrane.

Explanation:

The aerobic respiration is made up of different processes:

a) Glicolysis, which takes plays in the cytosol of the cell

b) Oxidative decarboxylation of pyruvate and Krebs circle which occurs in the mitochondrial matrix

c) Oxidative phosphorylation which occurs in the mitochondrial cristae

a student models moon phase she holds a foam ball on a stick in front of her body and stands in front of the light as shown. the student uses herself to represents earth. she turns her body slowly to phases.

Answers

Answer:

D- Diagram 4

the full moon is represented in diagram four.

What is a eukaryote?

Question 2 options:

organism that does not have a nucleus


organism that does have a nucleus


organism that produces its own food

Answers

Answer:

an organism that has a nucleus

Explanation:

What is a eukaryote?

1 organism that does not have a nucleus

2 organism that does have a nucleus<<

3 organism that produces its own food

4 organism that is ancient

an
Which of the following is the amplitude
of this wave?
B. B
A. A
C. C С
D. D

Answers

Amplitude of wave is A
The answer is A I believe

PLZ ANSWER ASAP I NEED HELP will mark brainliest >_ Peter is complaining of stomach pain and constant hunger. Peter’s doctor diagnoses him with a worm infection. Peter feels hungry because the worm is absorbing food from his intestines.

Peter most likely has an infection from a(n)

tapeworm.
leech.
planarian.
marine worm.

Answers

Answer:

A) Tapeworm

Explanation:

got it right on edge nuity

Peter is complaining of stomach pain and constant hunger as he was diagnosed with a worm infection.

Peter feels hungry because the tapeworm is absorbing food from his intestine as tapeworm begins to feed off your body's nutrients to grow once it invades the body.

How tapeworm infection occurs?Tapeworm infection is caused by ingesting food or water contaminated with tapeworm eggs or larvae.

When tapeworm hatches and attaches itself to your intestine, it starts feeding off body's nutrients causing increase in apatite (hunger increases).

It grows by reproducing proglottids ( chain looking body part) and the cycle continues.

Planaria upon causing infection feeds on blood cells hence can not cause apatite.

Leech and marine worm can not invade the body like tapeworm and planaria.

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What is needed for a fossil to form? Select all that apply.

1. The organism must first get stuck in rock.

2. The soft tissue of the dead organism must be eaten by scavengers before the bones can be preserved.

3. The tracks or burrows of an organism must be filled with sediments before they are disturbed.

4. The organism's body must be covered by sediment or another substance before its body decays.

Answers

I like 4 the best. If an organism is covered by sediment before the body decays the sediment can harden around the decaying body and the imprint will be preserved in the hardened sediment.

The correct answer is:The organism's body must be covered by sediment or another substance before its body decays.

What is the explaining statement for the same ?

Explanation: For a fossil to form, the organism's body must be rapidly buried in sediment, ash, or another substance before it can decay or be eaten by scavengers.

Over time, the minerals in the surrounding sediment or substance can replace the organic material in the bones, forming a fossil. Tracks, burrows, and other trace fossils can also form when sediment or another substance fills in the impressions left by an organism before they are disturbed.

Getting stuck in rock is not necessarily a requirement for fossilization, as fossils can also form in sedimentary rock or other types of rock.

Lack of oxygen: Decay requires oxygen, so organisms are more likely to fossilize in environments where oxygen is limited or absent, such as in deep water, bogs, or quicksand.

Low acidity: Acidic environments can dissolve bones and other hard parts, so fossils are more likely to form in environments with neutral or basic pH levels.

Lack of disturbance: Fossils are more likely to be preserved if they are not disturbed after burial. For example, if an organism's body is exposed to air or water before it can be buried, the bones may be scattered or destroyed.

Overall, fossilization is a rare and complex process that requires a combination of specific conditions to occur. As a result, the fossil record provides only a partial and biased glimpse into the history of life on Earth.

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A population of birds is blown by a storm to an island off the mainland.
The island has very few trees, and the bird population on the island
develops new nesting behaviors. Mainland birds nest in trees, island birds
nest on the ground. After a long period of time, the island birds are
reunited with the mainland birds, it is observed that the two populations
can no longer interbreed. This is an example of: *
Behavioral isolation
Geographical isolation
Nonrandom mating
All of these

Answers

I say that it is because of nonrandom mating because the genes have been changed down the line.

What scientist discovered the process of transformation?

Answers

Answer: Fred Griffith

Explanation: :)


Where is the greatest amount of the world's carbon found?

Answers

Answer:

You find the most amount in the ocean because oceans absorb it.

Explanation:

⠀⠀⠀⠀⠀⠀⢀⣤⣀⣀⣀⠀⠻⣷⣄

⠀⠀⠀⠀⢀⣴⣿⣿⣿⡿⠋⠀⠀⠀⠹⣿⣦⡀

⠀⠀⢀⣴⣿⣿⣿⣿⣏⠀⠀⠀⠀⠀⠀⢹⣿⣧

⠀⠀⠙⢿⣿⡿⠋⠻⣿⣿⣦⡀⠀⠀⠀⢸⣿⣿⡆

⠀⠀⠀⠀⠉⠀⠀⠀⠈⠻⣿⣿⣦⡀⠀⢸⣿⣿⡇

⠀⠀⠀⠀⢀⣀⣄⡀⠀⠀⠈⠻⣿⣿⣶⣿⣿⣿⠁

⠀⠀⠀⣠⣿⣿⢿⣿⣶⣶⣶⣶⣾⣿⣿⣿⣿⡁

⢠⣶⣿⣿⠋⠀⠀⠉⠛⠿⠿⠿⠿⠿⠛⠻⣿⣿⣦⡀

⣿⣿⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣿⡿

most of it is stored in rocks

What question led scientists to separate plants and fungi into two distinct kingdoms?
A. Does the organism have cells?

B. Does the organism reproduce?

C. Does the organism grow on the ground?

D. Does the organism use sunlight to make food?

Answers

Answer:

A

Explanation:

yes because each plant have a cell if they don't they might die.

Why are vestigial structures not removed by natural selection?

Answers

Vestigial structures are not removed by natural selection because natural selection only acts on traits that impact reproductive success.

I hope this helps

4. The solar energy that is absorbed and reradiated from Earth's surface as heat is mostly
(with a longer wavelength).
O gamma radiation
O ultraviolet radiation
O infrared radiation

Answers

The answer is infrared radiation

17.) Which of the following statements is FALSE about mutations?
a. They are almost always harmful
b. They can be caused by exposure to radiation
C. Some mutations can be beneficial
d. They change the genetic code by inserting, deleting, or substituting bases

Answers

i believe the answer is a

Should the international community help build nuclear reactors in developing countries to fuel economic growth and provide cheap energy? Explain why or why not. Whoever answers this can you please elaborate more and if you do this you would receive 20 points thanks!

Answers

Answer:

i dont kno

Explanation:

Please help will mark brainliest and give 12 points

Answers

Answer:

anabalic (building up) : photosynthesism builds up molecules

catabolic (breaking apart): cellular respiration, helps cells multiply and stay in good condition (using energy to maintain the cells), complex molecules are broken down, energy is released

Explanation:

Limiting factors that affect large, dense populations more than small, scattered
populations are called 
_______

Answers

Answer:

Density dependant limiting factor

Explanation:

Katie and her sister have entirely different features and traits. Katie has blonde hair and brown eyes, but her sister has red hair and blue eyes. What causes these variations in traits such as hair color,eye color,and height? A. Competition b. Offspring c.Alleles d. Fitness

Answers

Answer:

c.Alleles

Explanation:

Genes are the hereditable units that transmit the information needed to specify traits (such as hair or eyes color), from parents to offspring, generation to generation. Genes are arranged in sequence in the chromosomes. A chromosome might contain hundreds of thousands of genes.

Each chromosome carries specific genes that code for specific proteins that have specific functions in the organisms. Each chromosome carries information to synthesize different proteins needed to accomplish a certain function. But not all chromosomes carry the same gene sequences. Only homologous chromosomes carry information for the same trait, but even this information is not necessarily the same. They might have the same gene but in different alternatives.

Alleles are the different alternatives in which a gene might appear.  By the process of natural mutation, a gene might change into two or more alternative forms that are called alleles. These alternative forms codify for the same trait expressing different phenotypes.

In the exposed example, alleles are responsible for the different phenotypes expressed by the girls. The alternative forms of the genes -the alleles- that codify or hair color and for eyes color, express either red or blonde hair, and either blue or brown eyes.

The final genotype and phenotype depend on the gametes that merge to form the zygote, and hence the new organism.

What is the source of most salt in the ocean?
A.fish
B.human activity
C. Wind
D. Rocks on land

Answers

Answer:

D. rocks on land

Explanation:

Salt in the ocean comes from two sources: runoff from the land and openings in the seafloor. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.

Answer:

Option D Rocks on land

Explanation:

Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.

PLEASE HELP

Explain the difference between Positive and
Negative Tropism

Answers

Answer:

Tropism can be called positive or negative. Positive tropism is movement or growth towards a stimulus, whereas negative tropism is the movement or growth away from a stimulus.

Explanation:

Positive Tropism is growing towards a stimulus.

Negative Tropism is growing away from a stimulus.

what is fibre and it types​

Answers

Answer:

Fibre is the indigestible parts of plant foods, such as vegetables, fruits, grains, beans and legumes. It is type of a carbohydrate that helps keep our digestive systems healthy. 

define disaster management​

Answers

as the organization and management of resources and responsibilities for dealing with all humanitarian aspects of emergencies, in particular preparedness, response and recovery in order to lessen the impact of disasters.
Disaster Management can be defined as the organization and management of resources and responsibilities for dealing with all humanitarian aspects of emergencies, in particular preparedness, response and recovery in order to lessen the impact of disasters.

could a woman with O- blood type be the mother of an AB- child? explain your answer.​

Answers

child cannot be explained in terms of the usual inheritance pat- terns. 3 One would not expect the cord blood result to be AB when the mother is type O; however, in very rare instances, such as the cis-AB blood type, it is possible. Typically, an O mother would produce either an A, B, or an O infant
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