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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Explain how chemical properties and chemical changes are different?
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.
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.
Animals do not 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.
Answer:
mitochondria
Explanation:
Which paired structures of the male reproductive system lie at the base of the bladder and connect to the vas deferens via a duct
glycolysis begins with _________ and ends with __________.
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
What is the term for a section of a DNA molecule that codes for proteins?
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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Eukaryotic chromosomes contain two general domains that relate to the degree of condensation. These two regions are ________. A.
Answer:
these 2 regions are called
heterochromatin and euchromatin O
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What can bacteria do with “broken down” materials ?
What parts of our eyes help us see light?
Answer:
it's called the renting it controls the pupil
Which of the following describes how most farms in the United States are run?
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.
Which of the following is NOT a cause for siblings to look differently?
sexual reproduction
independent assortment
crossing over
mutations
Answer:
mutations is the answer
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
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.
Answer:
I would say A but im not sure
Explanation:
Answer:
bacteria aiding in digestion
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
Answer:
Neurosoma
Dendrites
Explanation:
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
Answer:
A. When a fetus is 13-15 weeks old
Explanation: is correct. post protected
Which organism are part of every foodchain
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.
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Podrían las plantas realizar la fotosíntesis sin ellas respirar ?
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
Someone plz help me :(
Answer:
it's a or c but I think it's a
PLEASE HELP ME IM TIMED!
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)."
what is prophase, meta phase and anaphase labled under?
1.Mitosis
2.DNA replication
3.Meiosis
4:Photosynthesis
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.
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Rejection of a newly translated organ caused by ..
Answer:
D
Explanation:
Rejection of a newly translated organ caused by development of cancerous cells in the organ
What are valence electrons?
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 do stomata Get from the environment?
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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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
Answer:
Your answer is (A), positive, negative, attracted.
I hope this helped at all.
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.
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 cellsLearn more about Jellyfish here:
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*blank* is the branch of biology and medicine concerned with the study of embryos and their development.
Answer:
Physiology is the branch concerned with the study of embryos and their development.
who has a German shepherd? I want a dog and need some information form a dog owner.Plz help
Answer:
That is the type of dog that police use to find drugs, look for people, etc.
Explanation:
What is is called when a doctor removes both an ovarian cyst and the affected ovary?
Answer:
b. Oophorectomy
Explanation:is correct. post protected
white blood cells that circulate in the bloodstream and are an important part of the body’s immune system are called ________.
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.