According the cell theory, can you create a cell by combining molecules in a laboratory?

Answers

Answer 1

Answer:

only if you have the materials

Explanation:

cells are generated from duplicating, so you'd have to have every single part that made up a cell and put it together which would require microscopic precision


Related Questions

True or False:
Variation is key to life on the planet, but while it benefits the group, it doesn't benefit every individual IN the group.

Answers

Answer:

I believe the awnser is true. ((I'm not completely sure))

Explain how an HAB outbreak can have a devastating economic
impact

Answers

Hab or Hiv outbreak cuz lowkey i think both would be bad

Provide an argument in favor of the importance for farmers or animal production specialists to understand animal
physiology

Answers

Answer:

Its important to understand animal physiology if farmers and animal production specialists wish to meet projected demand for animal products.

Explanation:

They must streamline production and advance capacity to prevent, detect, diagnose, and treat animal diseases. The health and quality of livestock is influenced by genetics, care, nutrition, and environment. The quality of animal products is also affected by production methods and marketing practices.

Information found in link below:

https://nifa.usda.gov/topic/animal-production

The enzyme tryptophan synthetase is produced sizes, large and small. Some mutants with no enz tivity produced exactly the same size enzymes as the wild type. Other mutants with no activity produced its the large enzyme; still others, just the small enzyme.
a. Explain the different types of mutants at the level of protein structure.
b. Why do you think there were no mutants that produced no enzyme?

Answers

Answer:

Due to changes occur in the protein structure.

Explanation:

The different types of mutants produced at the level of protein structure because mutation changes the protein structure of organism which leads to different types of mutant organisms. There were no mutants that produced no enzyme because enzymes are the most important part of the body in order to help the organism in their survival. These enzymes speed up the process of chemical reaction.

A 10 N force and a 15 N force are acting on a box in opposite directions what edition force must be added to produce equilibrium

Answers

Answer:

5N of force acting the same way as the 10N of force to make it 15N of force

Explanation:

(20 POINTS!!) please help fast!!

Answers

Answer:

A. Metamorphic

B. Igneous

C. Sedimentary

Explanation:

Eubacteria and archaebacteria differ in the process of protein synthesis. What is the difference?

A.) phenylalanine is added as the first amino acid during protein synthesis

B.) Methionine is added as the first amino acid during protein synthesis

C.) Formyl-methionine is added as the first amino acid during protein synthesis

D.) Glutamic acid is added as the first amino acid during protein synthesis

Answers

Answer:

A

Explanation:

The main difference between Archaebacteria and Eubacteria is? Hint: Archaebacteria are called ancient bacteria whereas eubacteria are called true bacteria. Unlike eubacteria, archaebacteria can survive in extreme conditions

Which major environmental factors can affect health?
genetics and obesity
poor water quality and obesity
poor air and water quality
genetics and poor air quality
!!!!???
HELPPPPPPPP

Answers

Answer:

Poor air and water quality.

Explanation:

Genetics are not environmental factors, and neither is obesity. However, poor air and water quality can lead directly to severe health impact.

poor air and water quality!! i’m late :/

For Labrador retrievers, black fur is dominant to yellow. a) Explain how two black dogs can have different genotypes. b) Could a black dog have the same genotype as a yellow dog

Answers

Answer:

Please find the answers explained below

Explanation:

A) This question involves a Gene coding for fur color in Labrador retrievers (a dog). The allele for black fur (B) is dominant over the alllele for yellow fur (b). Based on the law of dominance by Gregor Mendel, the dominant allele will always mask the phenotypic expression of the recessive allele in a heterozygous state. The two fur colors have different alleles, however, when they come together to form a heterozygote, the black fur is still expressed. Naturally, a black furred Labrador retriever should have the genotype; BB but since the black fur is a dominant trait, another heterozygous genotype will arise as Bb.

B) No, the black dog cannot have the same genotype as yellow dog. This is because the black dog must always have at least one dominant allele (B) in order to be black while the yellow dog, due to the recessiveness of the yellow allele can only have the genotype; bb. Hence, a black dog can either be Bb or BB but a yellow dog can only be bb.

Choose the statement about renewable and nonrenewable energy sources that is NOT true.

a. Renewable energy creates little or no waste and has few negative environmental impacts.
b. There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.
c. Most nonrenewable energy sources can be renewed, but it takes thousands to millions of years for them to form.
d. New technologies promise future increases in the use of renewable energy sources.

Answers

Answer:

b. There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.

Explanation:

Fossil fuels have had tremendous negative impacts on the environment and humans as well. For that reason, the use of renewable sources of energy, such as hydropower and biomass, have become increasingly popular over the last few decades.

Within our lives, or possibly within many, many lifetimes, the sources of non-renewable energy will run out or cease to exist. The three main fossil fuels that are used as non-renewable energy sources are coal, oil, and natural gas. Carbon is the main element in fossil fuels. Thus, option B is correct.

What best define about nonrenewable energy sources?

Fossil fuels have had a terrible impact on both the environment and people. Because of this, the usage of renewable energy sources, such as biomass and hydropower, has risen in popularity over the past few decades.

A natural resource is classified as non-renewable (also known as finite) if it cannot be easily replenished by natural processes at a rate fast enough to keep up with use. Carbon-based fossil fuels are one illustration. The original biological substance can change into a fuel like gas or oil thanks to heat and pressure.

Therefore, There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.

Learn more about nonrenewable energy here:

https://brainly.com/question/1695784

#SPJ5

which statement regarding these methods of reproduction is correct?

Answers

Answer:

put the picture of the question

Explanation:

i cant help you if you dont

When a bat is hibernating, how fast does its heart pump?

Answers

Answer:

20 beats per minute

Explanation:

Answer:20 beats

Explanation:bat's heart rate slows to only 20 heartbeats per minute.

Which of the following is formed last in daughter cells when plant cells divide?

The nucleus
The nuclear envelope
The cell membrane
The cell wall

Answers

Answer:

The cell wall is formed last

Answer:

the nucleus is the last thing formed

Can someone please do this for me I will
Litteraly Venmo anyone to do this whole assignment for me

Answers

I won’t do it but I’ll help you. This is what the punnet square should look like

A new variety of rose is produced when a gardener crosses two different kinds of roses. The new rose has some traits of each of the other two kinds.This is an example of:

Answers

Answer: selective breeding

Explanation:

Answer this question please​

Answers

Answer:

Any animal that is not a equine, tapir, or rhino.

Explanation:

There are 3 extant families of odd toed ungulates:

Equidae (horses, donkeys, zebras etc)Rhinocerotidae (rhinoceroses) Tapiridae (tapirs).

If the animal isn't in one of those families, it isn't an odd toed ungulate.

Explain the role of PERISTALSIS during your food’s time in the esophagus as it travels to the stomach.

Answers

Peristalsis helps in storing food, breaking down food down and mixing it with juices secreted by stomach lining. Peristalsis in stomach helps in partial digestion of food called chyme.

How do hormonal contraceptives (usually) work? Check all that apply.
freating a barrier
so that the sperm
cell do not enter
the uterus
inhibiting the
sperms' ability to
"swim"
thicken the
cervical mucus
reducing the inner
lining of the
uterue; egg cell
cannot attach
preventing the
maturing of the
follicle cells in the
ovaries
Select all
that apply
SUBMIT -
Musio
12
W2021
BAHO LORUS

Answers

Answer:yes and no there is no context just yes

Explanation:

Construct an explanation to predict the type of symbiotic relationship that exists between the hippo and oxpecker birds?

Answers

Answer:

The hippopotamus and the oxpecker bird are in a mutualistic and parasitic relationship. This is because the oxpecker bird gets food and protection from the hippopotamus. However, the bird gets food by making little cuts in the hippopotamus to obtain insects. This isn't entirely harmful to the hippopotamus though.

Hope this helps you ❤️

Mark me as brainliest ❤️

how do oomycetes feed​

Answers

Since oomycetes are a fungi, they feed on decaying matter by absorbing the nutrients.

The food components gradually gets digested as food travels through the various components of alimentary canal. The digested food can pass into the blood vessels in the walls of the small intestine. The digestive system consists ofSingle choice.


(a) Digestive tract

(b) Digestive tract and liver

(c)Digestive tract and pancreas

(d) Digestive tract and the associated glands

pls answer​

Answers

Answer:

(b) Digestive tract and liver

Explanation:

The digestive system consists of the digestive tract and liver. The digestive tract is made up of a large number of parts. These parts include the esophagus, stomach, intestines, rectum, etc. Food enters the mouth and travels down the digestive tract and out passing the rectum. The liver is where the blood passes through and it is responsible for many functions such as the metabolizing of fats and proteins, separating and storing vitamins and minerals, regulating different chemicals found in the blood, etc.

It is well known that sugars glucose and fructose are the primary fermentable substrates. However, malic acid can also be fermented but to lactic acid rather than ethanol. This is especially important in red wine, why?​

Answers

Answer:

The correct answer is - due to the different bacteria that produce a different enzyme that is involved in the fermentation of malic acid.

Explanation:

In red wine production, malic acid in present in grapes converted to a softer lactic acid. This process is known as malolactic fermentation. It takes place due to the presence of different types of bacterias such as bacteria of the lactic acid family.

These bacterias produce enzymes which is used to convert the malic acid to lactic acid such a process can occur naturally also.

help..........................

Answers

Answer:

d

Explanation:

Would would be the possible gamete combinations?

Answers

Answer:

1/4 WR; 1/4 wr; 1/4 wR; 1/4 Wr

Explanation:

The principle of independent assortment indicates how different genes independently separate from one another when gametic (reproductive) cells develop. When a cell divides by meiosis, homologous chromosomes are randomly distributed to daughter cells, thereby different chromosomes segregate independently of each other. In consequence, each gamete has a unique combination of chromosomes. In this case, the two genes are on different homologous chromosomes, thereby gene variants (alleles) will be randomly distributed to daughter cells during meiosis (anaphase I) and thus the expected proportion of gamete genotypes will be 1/4 WR, 1/4 wr, 1/4 wR, 1/4 Wr.

Which RNA base pairs with the adenine in DNA?
Thymine
guanine
cytosine
uracil

Answers

Thymine is ur answer for in DNA

Answer:

uracil

Explain: it pairs up with the dna

The sun produces energy from matter in its core through the process of

Answers

Answer:

 The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.

Answer:

nuclear fusion ...........

Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its
descendants?

A) causation

B) correlation

C) natural selection

D) transitional fossils

Answers

It is transitionial fossils

The intermediate states between an ancestral form and that of its

descendants are transitional fossils.

What is a transitional fossil?

Transitional fossils are remains of an organism that came in between a known version of a species and the current species.

Transitional fossils would be proof of evolution because they would show medium forms of a species and they altered and accumulated adaptations at a slow pace.

Thus, option "D" transitional fossils are correct.

To learn more about transitional fossils click here:

https://brainly.com/question/7156308

Snake venom contains a mixture of enzymes, which include phospholipase that break down cell membranes, proteinases that destroy proteins, as well as amino acid oxidases and nucleotidases that break down the monomers for protein and DNA synthesis, which is why they can be so deadly. If you were bitten by a venomous snake you may be treated with an antivenom. In addition to antibodies that help your immune system recognize and fight the foreign molecules, what else does the antivenom most likely contain

Answers

Answer:

The correct answer is - Venom enzyme inhibitors.

Explanation:

The snake venoms are the complex mixtures of phospholipase A2s, disintegrins, serine proteases, C-lectins, and metalloproteases, and others. The snake venom phospholipase A2s (svPLA2s) enzymes found in most of the families of venomous snakes that cause anticoagulant effects, cardiotoxicity, neurotoxicity, and cytotoxicity, and other effects.

In antivenom, there are Venom enzyme inhibitors other than antibodies that help in neutralizing these enzymes by weakening or inhibiting these toxic actions.

please help ill give brainliest :)) At the equator, the earth spins a distance of 26,120 miles every day. At what speed does the Earth spin in mph?

Answers

Answer:

1088 mph

Explanation:

26120/24 = 1088.333 ≈ 1088

Answer:

1088.333mph

Explanation:

26,120miles ÷ 24hours = 1088.333mph

Write each label into the appropriate category to designate whether the given item describes elements of gray or white matter of spinal cord.
Contains myelinated axons
Posterior column
Located to the periphery of the spinal cord
Gracile fasciculus
Anterior spinocerebellar tract
Medial vestibulospinal tract
Marked by low myelination White matter
Functions to integrate arriving electrical signals
Contains somas, synapses, and dendrites
Tectospinal tract
Functions to transmit electrical signals rapidly over long distances
Lateral horn
Ventral horn
Gray matter White matter

Answers

Answer:

- Contains myelinated axons: White matter

- Posterior column: White matter

- Located to the periphery of the spinal cord: White matter

- Gracile fasciculus: White matter

- Anterior spinocerebellar tract: White matter

- Medial vestibulospinal tract: White matter

- Marked by low myelination: Gray matter

- Functions to integrate arriving electrical signals: Gray matter

- Contains somas, synapses, and dendrites: Gray matter

- Tectospinal tract: White matter

- Functions to transmit electrical signals rapidly over long distances: White matter

- Lateral horn: Gray matter

- Ventral horn: Gray matter

Explanation:

Both the brain and the spinal cord contain white matter and gray matter. White matter is the tissue responsible for information transmission (i.e., axons); whereas gray matter is mostly involved in information processing (i.e., neuron bodies). White matter is composed of myelinated axons which extend out from the neuron bodies and glial cells, and this tissue connects different areas of the cerebral cortex (i.e., the outer layer of the brain). Moreover, gray matter is composed of neuronal cell bodies or 'soma'  that contain the neuron’s nucleus and unmyelinated axons. Gray matter also has glial cells and capillary blood vessels; whereas white matter also has oligodendrocytes that produce myelin and astrocytes. The color of the white matter is caused by the myelin that surrounds the axons; while the color of the gray matter is due to the capillary blood vessels and neuronal cell bodies. In the cerebrum and cerebellum, white matter is observed in deep areas coated by gray matter; whereas, in the spinal cord, the white matter surrounds the central gray matter. White matter is involved in normal motor and sensory function, this tissue is responsible for learning and coordinating communication between different brain regions. Moreover, grey matter is involved in muscle control and sensory function (e.g., hearing, vision, memory, emotions, speech, decision making, etc).

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