Answer:
its t0 wlsllslseopwpwooop
Giving brainliest!!!!!!!!!!!!!!
Answer:
bacteria
Explanation:
bacteria and archaea are the only prokaryotes.
Answer:
Cycad
Explanation:
I am not 100% sure please correct me if I am wrong
Answer all parts of the question:
a. Write the following number in scientific notation: 0.03054 grams
b. Write the following in ordinary notation: 3.02 x 10-5
c. Evaluate the following: (3.3 x 10-4mL) = (1.1 x 10-6 mL)
Answer:
a. 0.03054 b. 0.000032 c. sorry I am not perfect
Explanation:
a. In the number 0.03054 , you need to move the decimal point two places to the right to get to 3.054 (which is between 1 and 10). Since you moved the decimal point two places to the right, you must indicate it by saying that you multiplied 3.054 by 10−2 . Think about it: 3.054×10−2=0.03054 . b. Answer: 0.0000302 Step-by-step explanation: When 10 is to the power of a negative number, "move" the decimal dot left. 10⁻⁵ means to "move" the decimal 5 times to the left. 1. Write a bunch of extra 0's for the coefficient. (The coefficient is 3.02). 0000003 . 02 2. Count 5 place values over. 00←0←0←0←0←3 . 02 3. Put the decimal behind the digit. 00 . 0000302 4. Get rid of the 0s that you don't need. You only need one 0 left of the decimal. 0.0000302 <= Final answer c. sorry but I am not perfect at thisA. 0.03054 grams = 3.054 x [tex]10^-^2[/tex] grams
B. 3.02 x [tex]10^-^5[/tex] = 0.0000302
C. 3.3 x [tex]10^-^4[/tex] mL= 300
Powers of 10 are used in scientific notation to express extremely large or extremely small quantities. The formula is "[tex]\rm a * 10^b[/tex],"
where "a" is an integer representing a value between 1 and 10 (inclusive), and "b" is an integer representing a power of 10.
To write 0.03054 grams in scientific notation, we move the decimal point three places to the right to make the number between 1 and 10. this results in:
0.03054 grams = 3.054 x [tex]10^-^2[/tex] grams
To write [tex]3.02 * 10^-^5[/tex] in conventional notation, as indicated by the exponent, we move the decimal point five places to the left. this results in:
3.02 x [tex]10^-^5[/tex] = 0.0000302
To evaluate (3.3 x [tex]10^-^4[/tex] mL) / (1.1 x [tex]10^-^6[/tex] mL), we divide the numbers in the numerator and denominator:
[tex](3.3 * 10^-^4 \rm mL) / (1.1 * 10^-^6 \rm mL) \\= (3.3 / 1.1) * (10^-^4 / 10^-^6) \\= 3 * 10^2[/tex]
Therefore, (3.3 x [tex]10^-^4[/tex] mL) is equal to 300.
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Replicate the following sequence:
GTA..... TAG.....ATC.....CTC
please someone help me!
Answer:
I got you.
During replication you are making a copy. Remember that DNA base pairing rules of G-C,A-T.
So for this questio
assuming 5'-3' is written it would be
GAGGATTAC. This is written in a 5' ->3' way however if the question is asking not that then I would put.
CATATCTAGGAG
Explanation:
explain the adaptations of the kidney nephrons to their duty(give three at least)
It has a selective permeable Bowman's capsule that only allows food substances and food products to pass through but prevents the passage of plasma proteins and blood cells. ... The kidney tubules are highly vascularised to ensure constant removal of reabsorbed substances hence creating more room for further reabsorption.
need an answer, please need an answer, please.
no copy
Explanation:
In order to meet the basic needs of increases population, the present society has under taken a series of steps like rapid industrialization, unplanned urbanisation, deforestation, overexploitation of natural sources, etc.
The outcomes of the above human activities have contributed significantly to the degradation of environment around us.
Some important impacts of human activities on environment are outlined below:
1. Deforestation:
In order to provide timber and farm land to increased population, large number of forest trees are cut and forest area is converting to farm lands. The rate of deforestation is so faster that around 1.5 million hectare of forest cover is lost every year is India alone. The process of deforestation results in decreasing rainfall, increasing global temperature, loss of top soil, modification of climatic conditions etc.
2. Industrialization:
Although the industrial activities of man provide basic need of the society, simultaneously the same release a lot of pollutants to the environment. The pollutants in environment cause loss of raw materials, health hazards, increase in death rate, damage to crop, making environment unfit for living organisms etc.
3. Loss of ecological balance:
The excessive use, misuse and mis-management of biosphere resources results in disturbance in ecosystem or ecological imbalance.
4. Air pollution:
The anthropogenic release of various air pollutants to the environment causes a number of dreaded phenomena like green house effect, ozone layer depletion, acid rain and smog formation etc.
5. Water pollution:
Human activities in respect of disposal of sewage wastes, solid wastes, municipal wastes, agricultural and industrial wastes cause the environment unfit for day to day use. Besides, polluted water spreads or leads to different diseases.
6. Increased consumption of natural resources:
Since the starting of industrial era, the natural resources are constantly utilised for the production of one or more products for the day to day use of society.
7. Production of waste:
Rapid industrialization and unplanned urbanization release a lot of toxic waste material either in solid or liquid or gaseous state which induces a number of serious environmental hazards.
8. Extinction of Wildlife:
Since forests are natural habitats of wild life (both plants and animals) deforestation leads to the extinction of valuable wild life and loss of biodiversity.
9. Habitual destruction:
The commercial and industrial activities associated with mining, construction of dams, fishing, agriculture etc. cause habitat destruction which is a pathway to pollution.
10. Noise pollution:
The man-made noise due to mechanized automobile, industries, trains, aero planes, social functions etc. causes noise pollution which has impact on both biotic and a biotic components of environment.
11. Radiation pollution:
The radiations from radioactive substances used in nuclear reactors and nuclear weapons can have significant impact on genetic materials of body (DMA, RHA etc.)
12. Soil erosion:
The anthropogenic processes like deforestation and overgrazing induce soil erosion which causes soil moisture reduction, lowering of productivity, decline in soil fertility etc.
YA'LL ARE SMART!! PLEASE HELP!!!
Answer:
I believe your answer would be Accelerating/speeding up
Explanation:
If the bus was moving at a constant speed, the line would be flat
if the bus was slowing down, the line would decrease
if it was not moving, there would be no line
How quickly can mitosis occur in a paramecium?
Answer:
Under favourable conditions, Paramecium multiplies rapidly up to three times a day. Binary fission divides a cell transversely and followed by mitotic division in the micronucleus. Macronucleus divides amitotically. The gullet also divides into two halves
Explanation:
HOPE IT HELP
Paramecium can be multiplied rapidly up to three times a day.
In paramecium binary fission divides a cell transversely in two parts .Then after it followed by mitotic division in the micronucleus if paramecium.However Macronucleus divides amitotically in life.Which of the following best describes sickle-cell anemia?
O Caused by environmental factors that an individual was exposed to during pregnancy.
O A hereditary genetic mutation that causes a resistance to malaria.
O An inherited disorder that increases the risk of contracting malaria from mosquitos.
O A genetic mutation that is inherited from a dominant allele of one parent.
Answer: The answer should be B "O A hereditary genetic mutation that causes a resistance to malaria."
Explanation:
I do FLVS also you can find this out in your lesson 3.04 on page 5.
It says, "Sickle-cell disease is a genetic disorder that gives red blood cells a crescent shape instead of the typical disk shape. Sickle cells are stiff and sticky. They tend to block blood flow in the blood vessels of the limbs and organs. Blocked blood flow can cause pain, serious infections, and organ damage. This genetic disease is recessive, meaning the allele must be inherited from both parents to be expressed in a person’s phenotype. It is caused by a mutation in the gene that produces hemoglobin, the blood’s principle oxygen-carrying protein. Sickle-cell disease occurs more commonly in people and descendants from tropical and subtropical regions where malaria is common. Scientists have discovered that individuals with just one allele for sickle-cell disease are not only healthy, but they actually have a high resistance for the parasite that causes malaria. This resistance gives the carriers of one sickle-cell allele a great advantage over malaria, which claims more than a million lives each year, and explains why the allele for this dangerous genetic disease survives to be passed down to future generations."
Have a great day hope this helped!!!
:3
The sickle cell gene is inherited and results in sickle cell disease. You cannot catch HPV from an infected person because it is not brought on by whatever the parents did either before or during the pregnancy. Thus, option B is correct.
What are the characteristics of sickle-cell anemia?Red blood cells are typically disc-shaped and sufficiently flexible to pass readily through blood arteries.
Red blood cells with sickle cell disease have a crescent or “sickle” shape. Because sickle cells impede blood flow to particular organs, sickle cell disease complications can develop.
The severe side effects include stroke, acute chest syndrome, organ damage, various disabilities, and even early death. Acute chest syndrome lowers the blood's oxygen content.
Therefore, A hereditary genetic mutation that causes a resistance to malaria.
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Match the key elements in the Scientific Method with the correct description. 4. A researcher asks a focused research question or states their reason for the study
A) state the problem
B) state the hypothesis
C) come to a conclusion
D) collect background information
E) conduct experiments
Worth 50 points
What gives a protein its unique shape?
Question 5 options:
neither
the unique sequence of amino acids in its polypeptide chain
the unique folding of the polypeptide chain
Answer:
the unique sequence of amino acids in its polypeptide chain
Explanation:
Protein is a large molecule which is made from a chain of smaller molecules called amino acids. There are twenty amino acids exist, and when they bond together they make unique proteins depending on their sequence in the chain.
Plz help I need help
Answer:
vacuole
Explanation:
Answer:
Vacuole
Explanation:
Also studied this recently
Place the smallest level of organization at the top and the largest at the bottom.
HELP PLEASE!!!!!!!!!!!!!!!!!!
Artery
Circulatory System
Smooth Muscle Tissue
Smooth Muscle Cell
Answer:
Artery
Circulatory System
Smooth Muscle Tissue
Smooth Muscle cell
Explanation:
Using sodium chloride as an example of a salt, click each
of the following that is true.
A-ionic bonds hold sodium and chloride together in a salt
water solution.
B-hydrogen bonds hold sodium and chloride together in salt
water solutiion
C-ionic bonds are not present in a salt water solution
D-in salt water chloride is an ion
E-ionic bonds are present in crystal salt
F-sodiem is covalently bonded to chloride
G-in crystal salt, sodium is an lion
Which of these questions could BEST be answered with the methods of science?
a. How is Earth different from other planets?
b. What does it mean to be a good person?
c. Will computers make us more or less human?
Answer:
A
Explanation:
It is about planets and planets are in space.
so who is all virtual
Answer:
Me
Explanation:
i rather be in person
Plz help I need help
Like 90% sure its bacteria cell.
A 3-column table has 4 rows. The first column is labeled Student with entries Zack, Nicole, Christian, Abigail. The second column is labeled Food with entries Tofu, salad dressing, jelly sandwich, pasta. The third column is labeled Macromolecule with entries protein, lipid, monosaccharides, polysaccharides. Based on the data you collected, who likely left the the classroom mess? Justify your answer.
Answer:
Nicole
Explanation:
Sample Response: The mystery food sample did test positive for Sudan red. Nicole ate salad dressing, which contains fat, a lipid. She is the likely culprit.
.
.
The mystery food sample tested positive for lipids using the Sudan red indicator.
Nicole ate salad dressing.
Salad dressing contains fat, a lipid.
Nicole is probably guilty.
Based on the data you collected, Nicole likely left the classroom mess, objective was to determine the individual macronutrients.
What is Macromolecule testing?This lab's objective was to determine the individual macronutrients in the unidentified food item that was left in the classroom. The following student is believed to have left a sample in the classroom.
Sample Reaction: The sample of the mysterious food tested positive for Sudan red. Nicole consumed salad dressing, a lipid that contains fat. She is the most likely offender.
The Sudan red indicator revealed lipids in the sample of the mysterious food. Lauren consumed salad dressing. Fat, a lipid, is present in salad dressing.
Therefore, based on the data, Nicole most likely did it.
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Which of the following is an indication of a chemical reaction?
Ofreezing
O melting
O release of heat
O all of the above
Answer:
• Release of heat.
Explanation:
• In exothermic chemical reactions, heat is released due to multiple collisions of the reactant molecules.
→ Freezing and melting are physical changes.
• Other physical changes are;
sublimationcondensationevaporation[tex].[/tex]
PLEASE I NEED HELP!!! 100 POINTS!!!
Food sample "E" tested positive for which tests?
Which statement best explains why the atmosphere is considered an open system?
A.
There is no definite boundary separating it from outer space.
B.
Energy and matter can enter and leave.
C.
Its molecules can move freely, without resistance.
D.
It can accept an unlimited amount of energy.
Answer:
thw anser is A
Explanation:
que gas desprende las plantas durante las reacciones dependientes de la luz en fotosíntesis?
Answer: oxígeno
Explanation:
Why did Mendel need to grow two offspring generations (F1 and F2) to develop his law of segregation?
Answer:
Mendel formulated the law of segregation as a result of performing monohybrid cross experiments on plants. The specific traits that he studied exhibited complete dominance. Not all types of genetic inheritance, however, show total dominance. In incomplete dominance, neither allele is completely dominant over the other.
Explanation:
Hope this helps.
Mendel need to grow two offspring generations (F1 and F2) to develop his law of segregation because the first generation offspring had just one form of each trait. The second generation showed both forms of the trait due to segregation.
What is Law of Segregation?When an organism produces gametes, each gamete receives only one gene copy, which is chosen at random. This is defined as the law of segregation. A Punnett square can be used to predict the genotype (allele combination) and phenotype (observable traits) of the offspring from a genetic cross.
This law of segregation, called the second law of inheritance, states that during meiosis cell division (gamete formation), pairs of alleles separate from each other so that only one allele is present in each gamete.
Mendel formulated the law of segregation as a result of experimenting on monohybrid crosses on plants. The specific traits he studied showed complete dominance. However, not all types of genetic inheritance show total dominance. In incomplete dominance, neither allele is completely dominant over the other.
Thus, Mendel need to grow two offspring generations (F1 and F2) to develop his law of segregation because the first generation offspring had just one form of each trait. The second generation showed both forms of the trait due to segregation.
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how does the structure of a carbohydrate allow it to perform its function?
Answer:
Carbohydrates are organic molecules ONLY composed of carbon, hydrogen, and oxygen molecules. So, their structure would be just covalent bonds between the three elements, and most likely non-polar. They give out a lot of energy, and carbohydrates are also known as sugars. Most foods have them.
Branliest plzzzz?
Label strands of DNA
the mantle is composed primaraly of?
Answer:
The mantle of the earth is made mostly of solid rock
How many days does each lunar phase last? Explain your claim with reasoning.
Answer:
29.5 Days.
Explanation:
The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
Select the correct answer.
The difference in concentration of materials across a space is called the
A active transport
B temperature
C concentration gradient
D equilibrium
The Correct choice is C
The difference in concentration of materials across a space is called the Concentration gradient .
Which description best matches the image below of a hand that is using the
right-hand palm rule?
O A. A proton moving away from you in a magnetic field that points left
will experience a force up.
OB. A proton moving left in a magnetic field that points up will
experience a force away from you.
O C. A proton moving away from you in a magnetic field that points up
will experience a force left.
O D. A proton moving up in a magnetic field that points left will
na force away from v
Answer:
c is correct
Explanation:
Which macromolecule should the team try to isolate from the bacteria?
Answer:
A protein that specifically binds lipids or oils
Explanation:
What is the chemical composition of water?
O 1 hydrogen and 2 oxygen molecules
O 2 hydrogen and 3 oxygen molecules
O 2 hydrogen and 1 oxygen molecules
O 3 hydrogen and 2 oxygen molecules
Answer:
H20 the 3rd one.
Explanation:
2 Hydrogen molecules and 1 Oxygen molecule.
