What are the differences and similarities between elements, atoms, molecules, and compounds?

Answers

Answer 1

Atoms are the thing that make up molecules and compounds. Molecules contain two or more atoms and are held together by covalent bonds, whereas compounds are held together by ionic bonds. ... The atoms within a compound also must be different from eachother, whereas a molecule can consist of only one element.

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Related Questions

Which paired structures of the male reproductive system lie at the base of the bladder and connect to the vas deferens via a duct

Answers

Boo I’m sorry bro bro I’m sorry bro I’m so sorry bro I’m sorry I’m just gonna be safe I’m sorry I’m just laying down wI the buss late in class at the hotel I had ko and the staff here and I had called and my mom was here and I’m not really hungry and I’m just gonna wait to eat my wet and I’m just gonna take a nap I’m sorry I don’t yyyuyyyyyyuuuuyytttttreewwwwwe to sleep bye mommy mommy bye bye bro bro bye bro love you bro love love you bro I don’t know how much you bro bro I don’t got to go get out at work all the day I’m sorry bro bro bye bye love you bye love mommy mommy bye bye bro bro bye bye love you bye love mommy mommy bye bye bro bro bye bye love you bye love mommy mommy bye bye bro bro bye bye love mommy mommy bye bye bro bro bye bro bro bye bye love you bye love bye bro

What are valence electrons?

Answers

Answer: : a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom.

Explanation:

What is the term for a section of a DNA molecule that codes for proteins?

Answers

Answer:

Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual.

Explanation:

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Which of the following is NOT a cause for siblings to look differently?


sexual reproduction


independent assortment


crossing over


mutations

Answers

Answer:

mutations is the answer

What do stomata Get from the environment?

Answers

Answer:

Plants, by contrast, breathe through tiny pores called stomata on the underside of their leaves. These pores allow carbon dioxide to enter and oxygen to exit. Plants open and close their stomata in response to changes in their environment so they can get the CO2 they need, and avoid drying out.

Explanation:

Hello!!

Plants, by contrast, breathe through tiny pores called stomata on the underside of their leaves. These pores allow carbon dioxide to enter and oxygen to exit. Plants open and close their stomata in response to changes in their environment so they can get the CO2 they need, and avoid drying out.

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glycolysis begins with _________ and ends with __________.

Answers

Answer:

Glycolysis starts with one molecule of glucose and ends with two pyruvate (pyruvic acid) molecules, a total of four ATP molecules, and two molecules of NADH.

Explanation:

Answer:

1 glucose molecule

2 pyruvic acid molecules

Explanation:

Glycolysis starts with 1 glucose molecule, which undergoes 4 stages until it splits into 2 pyruvic acid molecules. The products of this biochemical pathway include 2 NADH and 2 ATP molecules

if the woman and a man with normal clotting function have one biological daughter and one biological son, which children are predicted to have hemphilia A

Answers

The children Thats predicted to have hemophilia is the biological son

Someone plz help me :(

Answers

Answer:

it's a or c but I think it's a

a
. Protons have a charge and an electron has a charge and they are to each other.
a) positive, negative, attracted
c) positive, neutral, attracted
b) positive, neutral, repellant
d) negative, positive, attracted

Answers

Answer:

Your answer is (A), positive, negative, attracted.

I hope this helped at all.

What parts of our eyes help us see light?

Answers

Answer:

it's called the renting it controls the pupil

*blank* is the branch of biology and medicine concerned with the study of embryos and their development.

Answers

Answer:

Physiology is the branch concerned with the study of embryos and their development.

The ______ (the cell body of a neuron) gives rise to branch-like processes called ______, which are the primary sites for receiving signals from other neurons.Multiple choice question.neurosoma, dendrites

Answers

Answer:

Neurosoma

Dendrites

Explanation:

What is is called when a doctor removes both an ovarian cyst and the affected ovary?

Answers

Answer:

b. Oophorectomy

Explanation:is correct. post protected

Rejection of a newly translated organ caused by ..

Answers

Answer:

D

Explanation:

Rejection of a newly translated organ caused by development of cancerous cells in the organ

white blood cells that circulate in the bloodstream and are an important part of the body’s immune system are called ________.

Answers

Answer:

Lymphocytes

Explanation:

A lymphocyte is a type of white blood cell that is part of the immune system. There are two main types of lymphocytes: B cells and T cells. The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins. The T cells destroy the body's own cells that have themselves been taken over by viruses or become cancerous.

what is prophase, meta phase and anaphase labled under?
1.Mitosis
2.DNA replication
3.Meiosis
4:Photosynthesis​

Answers

Answer:

Technically Mitosis and Meiosis

Explanation:

Mitosis is the spliting of Body Cells. Mitosis goes through 4 phases that are easy to remember as PMAT. Mitosis starts with Interphase then moves to Prophase, Metaphase, Anaphase, and Telephase. These steps also occur in Meiosis. However Meiosis goes through these step twice. If you need further explaination of mitosis and meiosis I recomend the amoeba sisters.

Hope this helps!!

Why don't animal cells need chloroplasts? Question 4 options: Animals do not make their own food. Animal cells make their own chlorophyll. Animal cells collect sunlight another way. Animals use photosynthesis to make their own food.

Answers

Animals do not make their own food.

Animals don’t make their own food

In the cell, which organelle has the function of using oxygen in the breakdown of glucose, releasing energy and carbon dioxide? Question 19 options: ribosomes Golgi bodies mitochondria endoplasmic reticulum.

Answers

Answer:

mitochondria

Explanation:

Which organism are part of every foodchain

Answers

Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms. Nearly all autotrophs use a process called photosynthesis to create “food” (a nutrient called glucose) from sunlight, carbon dioxide, and water.

Can i ask u a questions

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producers are part of every food chain

Eukaryotic chromosomes contain two general domains that relate to the degree of condensation. These two regions are ________. A.

Answers

Answer:

these 2 regions are called

heterochromatin and euchromatin O

hope this helps

Explain how chemical properties and chemical changes are different?

Answers

Explanation:

 A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical reaction is a process that occurs when one or more substances are changed into one or more new substances.

What can bacteria do with “broken down” materials ?

Answers

Bacteria have the ability to break down dead organisms into smaller particles and create new compounds. We use decomposers to restore the natural nutrient cycle through controlled composting. Bacteria secreting enzymes out of their cells into the soil or dead organism. The enzymes digest the organic material. When they break down organic material, they give off heat. Billions of aerobic bacteria working to decompose the organic matter in a compost pile causes the pile to warm up. As the temperature rises, different organisms thrive.

who has a German shepherd? I want a dog and need some information form a dog owner.Plz help​

Answers

Answer:

That is the type of dog that police use to find drugs, look for people, etc.

Explanation:

Podrían las plantas realizar la fotosíntesis sin ellas respirar ?

Answers

Answer:

No, porque si no pueden respirar morirían, a pesar de que es una planta, son seres vivos y los seres vivos requieren aliento.

Explanation:

Para realizar la fotosíntesis, las plantas necesitan dióxido de carbono / oxígeno.

What is released by fat cells to signal that the body has had enough to eat, and also influences BMR

Answers

I believe it is leptin.

12. Having tissues that digest food, such as in the jellyfish, is an example of

(a) cell-level organization.

(b) tissue-level organization.

(c) organ-level organization.

(d) organ system-level organization.

Answers

Answer:

cell level organization

Having tissues that digest food, such as in the Jellyfish, is an example of cell-level organization.

What is Jellyfish?

Jellyfish is are aquatic organisms that live in marine and freshwater habitats.

Jellyfish are tentacular species(i.e. they have tentacles that allow them to capture prey) and their body consists of a jelly-like structure that is non-living in nature called mesoglea.

Jellyfish are at the cellular level of organization and their mode of feeding entails some of the following:

Predation (capturing of preys with the use of their tentacles)Filtration of particles through waterNutrient intake via symbiotic association with algae within their cells

Learn more about Jellyfish here:

https://brainly.com/question/1657460

What is an example of a microorganism acting in a harmful way? Question 6 options: Bacteria infecting a cut. Bacteria aiding in digestion. Bacteria used to create yogurt. Fungi decomposing waste in a septic tank.

Answers

Answer:

I would say A but im not sure

Explanation:

Answer:

bacteria aiding in digestion

PLEASE HELP ME IM TIMED!

Answers

Answer:

#3 Proteins

Explanation:

"There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON)."

The correct answer is carbohydrates

Which of the following describes how most farms in the United States are run?

Answers

Answer :Family farms (where the majority of the business is owned by the operator and individuals related to the operator) of various types together accounted for nearly 98 percent of U.S. farms in 2019. Small family farms (less than $350,000 in GCFI) accounted for 90 percent of all U.S. farms.

When does osteogenesis begin?

*When a fetus is 13-15 weeks old
When a baby is born
When a fetus is 32 weeks old
When a child is 2 years old

Answers

Answer:

A. When a fetus is 13-15 weeks old

Explanation: is correct. post protected

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