Biology College

What is the first thing to do after putting a weighing boat on the balance?

Answers

Answer 1

Answer:

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Explanation:

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What Is The First Thing To Do After Putting A Weighing Boat On The Balance?
Answer 2
The first thing to do is to tare (or zero) the balance.

Related Questions

Your skin is an example of a nonspecific defense mechanism. Why is it called a nonspecific defense mechanism?

A. becuase it protects against any invader regardless of type
B. because it has to be 'alerted' that a foreign invader has been spotted
C. because it alerts the immune system when a foreign invader is spotted
D. because it protects against a specific type of pathogen

Answers

Answer:

A is the answer

Explanation:

This is what skin does, it blocks outside material from getting into the body regardless of what it is.

Hypothesize a reason as to why vaccinations were successful in immunizing an individual for the smallpox virus?

Answers

Answer:

vaccine make people immune to small pox

Need help with this one

Answers

Answer:

i think its a but i am not absoulty sure

Explanation:

Answer:

Answer A

Explanation:

I did the quiz as well lol

CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION

Answers

Answer:

D

Explanation:

Happy Days to you!

Answer D.) extremely high

Which statement describes a constructive force that shapes Earth's surface?
Help meeee

Answers

Answer:

a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains

In a food pyramid, what trophic level do decomposers get their food from?
Select one:

All levels of the pyramid.

Producers only.

Producers and primary consumers.

Primary consumers and secondary consumers.

Answers

Answer:

They are the “last trophic level” in some hierarchies because they feed on everything (National Geographic). However, according to the strict trophic level definition they would be primary consumers.

Explanation:

What is the answer for this question science pls smart people

Answers

Answer:

B, all the other answers are just details that would be in an article, but not the main idea.

Explanation:

Answer:

B.

Explanation:

the other answers are not main ideas

What does Hemoglobin pick up once it has given up all its oxygen molecules?
A. Carbon dioxide
B. Nitrogen
C. Carbon

Answers

Answer:

Carbon dioxide

Explanation:

Hb has been observed in the epithelial cells of human tissues including lungs neurons retina and. endometrium our group has recently demonstrated tha Hd is expressed by the cervicovaginal epithelial cells.

A scientist isolates a disease-causing particle. Which of the following properties would indicate that the particle is a virus and not a bacterium?

Answers

Answer:

The property that could indicate that the particle is a virus is an absence of cellular machinery (option B). Explanation: Viruses are particles that are not considered to be living organisms, which is due to a complete absence of organelles or cellular functions.

Explanation:

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Answers

Answer:

A

Explanation:

Answer: A

Explanation:

WHAT HAPPENS WHEN THERE ARE EXTRA CHROMOSOMES IN A KARYOTYPE?

Answers

Answer: For example, an extra copy of chromosome 21 causes Down syndrome (trisomy 21). Chromosomal abnormalities can also cause miscarriage, disease, or problems in growth or development. The most common type of chromosomal abnormality is known as aneuploidy, an abnormal chromosome number due to an extra or missing chromosome. brainliest?

Explanation:

what type of joints make up the skull?

Answers

Answer:

The bones of the skull are highly irregular. Most of the bones of the skull are held together by firm, immovable fibrous joints called sutures or synarthroses. These joints allow the developing skull to grow both pre- and postnatally.

Explanation:

Answer:

какву врсту питања

kakvu vrstu pitanja

Explanation:

Several examples of antisense RNA regulating translation in bacterial cells have been discovered. Molecular geneticists have also used antisense RNA to artificially control transcription in both bacterial and eukaryotic genes. To inhibit the transcription of a bacterial gene with antisense RNA, what sequence might the antisense RNA contain

Answers

Answer:

An antisense sequence with complementary to the target mRNA encoded by the gene of interest

Explanation:

An antisense sequence is usually a short RNA sequence specifically designed in the laboratory to bind by complementary to the DNA/RNA sequence of interest (usually a target mRNA) whose expression is desired to be inhibited. When an antisense bind to its target mRNA, the antisense sequence acts to block translation, thereby inhibiting protein synthesis. Moreover, it has been shown that the double-stranded antisense-RNA complexes may also increase the susceptibility of the target sequence to RNase H digestion.

Which of the following is an example of the endocrine system maintaining homeostasis? (3 points)

-Detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response
-Discharging an excessive amount of hormones in the blood and not sending a signal to stop production
-Sending a message to the pituitary gland to start producing a hormone when the levels in the body are too low
-Using sense organs to get information about the outside world and direct an appropriate body response release

Answers

Answer:

-Discharging an excessive amount of hormones in the blood and not sending a signal to stop production

Explanation:

Endocrine system is regulated by negative feedback mechanisms that work to maintain homeostasis.

Concentration of hormones, and how they effect other body systems, are controlled in this manner.

For instance, the blood glucose regulation is controlled by insulin and glucagon, hormones produced by the pancreas.

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Answers

Answer:

b

Explanation:

The blue is my guess

Answers

I agree with your guess

What are the important plants in agriscience?

Answers

Answer:  Major grain crops are corn, wheat, barley, oats, rye, rice, sorghum, and soybeans. Less than 10 percent of the corn grown in the U.S. is for human consumption. Legume plants such as dry beans and peas are important foods in the diet of many Americans and people around the world.

Explanation:

Why are shape, weight, mass, size,
and texture NOT considered properties?

Answers

Answer:

Density is an intensive property. This means that regardless of the object's shape, size, or quantity, the density of that substance will always be the same. ... It is because density in an intensive property of matter. So they are not considered properties.

Explanation:

6. Which is the youngest holiday: "Earth Day" or "Arbor Day"?
HELP!!!! QUICK PLEASE ILL GIVE BRAINLIEST

Answers

Arbor Day is younger

As we learned plasma proteins Fibrinogen and Prothrombin are both needed for coagulation. However, there is much more fibrinogen (4% of plasma proteins) compared to prothrombin (present in only small traces). Applying your knowledge of enzymes and clotting cascade, explain the difference in their abundance.

Answers

Answer:

Fibrinogen is present in much higher amounts than what is required for coagulation while Prothrombin is present in low amounts in order to prevent excess conversion to thrombin during blood clotting

Explanation:

Fibrinogen is functional  for processes such as inflammation, atherogenesis and not for blood Coagulation and they are required to form Fibrin fibers which will in turn form blood clots. Fibrinogen is present in much higher amounts than what is required for coagulation while

Prothrombin is present in low amounts in order to prevent excess conversion to thrombin during blood clotting. and this is because increased concentrations of thrombin will lead to an extensive intravascular thrombosis

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Which of following items is probably the most ductile?

A. slice of bread
B. piece of chewed gum
C. wooden blocks
D. piece of paper

Answers

Answer:

D I think

because ductile means that they can form without cracking

piece of chewed gum.

Explanation:

chewing gum is flexible. it shows both malleability and ductility

Which of the following irrigation methods is most likely to result in salinization of the soil, especially if the agricultural fields are located in a warm climate with consistent sunlight
A Spray irrigation
Furrow irrigation
Flood irrigation
Drip Irrigation

Answers

Answer: Furrow Irrigation (B)

Explanation:

Furrow irrigation

Salinization of the SoilThe accumulation of water-soluble salts in the soil is known as salinization. Excess salts inhibit crop growth by decreasing their ability to absorb water, making salinization a resource concern.Surface irrigation in which trenches or "furrows" are created between crop rows in a field is known as furrow irrigation. Furrow irrigation is done by laying down short parallel channels down the length of the field in the direction of the predominant slope.Furrow irrigation is most likely to result in salinization of the soil, especially if the agricultural fields are located in a warm climate with consistent sunlight

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GUYS PLEASE PLEASE HELP WITH THIS!!!

Answers

Answer:

energy carried by waves: sound and radiant energy

Answer:

energy carried by waves-sound and radiant energy

Explanation:

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Choose one of the following scenarios and answer the questions provided. Support your answers using scientific reasoning and discussing possible impacts to individuals, society, and the environment. Be sure to also discuss any medical or ethical issues that may apply. (10 points)
Scenario 1:

Genetic engineering can be used to create more productive strains of farm animals. By adding genes to an animal's DNA, the animal can be made to produce milk or meat containing vital nutrients that would not be found naturally in those products. This provides a greater amount of nutrients per serving of milk or meat.

Do you think that this type of genetic engineering should be pursued? Explain your answer. (5 points)

What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment? (5 points)

Scenario 2:

In the future, doctors may be able to evaluate your DNA to check for genetic markers related to specific medical conditions or harmful reactions to medications. Your personalized genetic profile could be kept on record and referred to in order to develop personal medical treatment based on your unique DNA sequencing. Scientists have found that just small variations in a specific section of your DNA can help determine how well some medications can work for you or if they would be beneficial at all.

Would you want to have your DNA profile kept in your medical record as a reference for your doctors? Explain your answer. (2 points)

What are potential pros and cons of having such tests done and referring to DNA sequences when determining a patient's medical treatment? (5 points)

Describe how the availability of this technology might affect the frequency of genetic diseases in individuals and populations. (3 points)

Answers

Answer:

1. It should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits.  There are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but I can't think of an example where the fears didn't turn out to be baseless.

2. Yes. First, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. The pros involve better medical treatment. The cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. Looking at DNA markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. And OK, actually I suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency.

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The production of red blood cells is regulated by a feedback loop involving erythropoietin. In non-disease states, the production of red blood cells is equal to the destruction of red blood cells, thus maintaining sufficient red blood cells to deliver adequate oxygen to the body's tissues. However, when the number of red blood cells decrease and oxygen levels are low, erythropoietin is produced by the liver and kidneys to increase the production of red blood cells. Is this a positive or negative feedback loop

Answers

Answer:

Negative feedback.

Explanation:

The production of erythropoietin by the liver and kidneys is a negative feedback because with the production of erythropoietin, our body tends to move to become more stable state. The erythropoietin is produced by the liver and kidneys to increase the production of red blood cells if the quantity of red blood cells are lower than the normal range. If the number of red blood cells are decreases the oxygen level in our body is low that leads to unstable condition of the body but when the concentration of red blood cells increases, the body move towards stability.

what is the answer? for this

Answers

Answer:

b

Explanation:

because it is the least inclined

Warm air holds _____.
less water than cool air
the same amount of water as cool air
more water than cool air

Answers

Answer:

less water than cool air

Explanation:

the warmer it is, the more the droplets(water) start to evaporate

hope this helps :)

What are the gametes that would be formed for the following genotype: Aa?

Answers

Answer:

An individual with the genotype Aa can make two types of gametes: A and a. Since this is a random process, the individual will, on average, make equal numbers of each gamete. (Frequency of 1/2 for each gamete). A second individual with genotype Aa can make two types of gametes: A and a.

What is the speed of an animal that covers 60 miles in 1.5 hours

Answers

Answer:

40 mph

Explanation:

Which of the following is a way that nitrogen atoms move from a nonliving part of the environment into a living part of the environment?

Answers

Answer:

person below is correct

Explanation:

Answer:

Nitrogen Cycle

Explanation:

nitrogen moves through the living and non-living environments with the help of decomposers and nitrogen-fixing bacteria

Other Questions
When calculating the probability P(z -1.65) under the StandardNormal Curve we obtain: P1321 AGENCY COSTS AND CAPITAL STRUCTURE Galaxy Enterprises has earnings before interest and taxes of $9 million and $90 million of debt outstanding with a required rate of return of 7.3%. The required rate of return on assets in the industry is 12%. The corporate tax rate is 21%, but there are no personal taxes. The present value of Galaxys bankruptcy costs is $18 million. Compute Galaxys firm value. The weights of four randomly and independently selected bags of potatoes labeled 20.0 pounds were found to be 20.9, 21.4, 20.7, and 21.2 pounds. Assume Normality. Answer parts (a) and (b) below. a. Find a 95% confidence interval for the mean weight of all bags of potatoes. (Type integers or decimals rounded to the nearest hundredth as needed. Use ascending order). A mining companys reclamation plan is not permitted because there is no evidence that funding has been secured to repurpose the land in the manner proposed. What issue related to land reclamation is this an example of?A. Cost issueB. Conflict of interest issue C. Standards an measurements issue D. Quality assurance issue Minstrel Manufacturing uses a job order costing system. During one month, Minstrel purchased $203,000 of raw materials on credit; issued materials to production of $200,000 of which $25,000 were indirect. Minstrel incurred a factory payroll of $155,000, of which $35,000 was indirect labor. Minstrel uses a predetermined overhead rate of 150% of direct labor cost. The total manufacturing costs added during the period are: Multiple Choice $475,000. $527,500 $500,000. $562,500 $587,500 what discussions between byron and shelley influenced the development of her idea? evaluate the indefinite integral as a power series. x3 ln(1 x) dx A flexible budget is prepared before the master budget. True / False which type of web-based attack uses the get and post functions of an html form? Compare and evaluate how the companies described in this case study dealt with the challenges of BYOD. which of the following was derived from an ancestral cyanobacterium?a. falgellab. chloroplastc. mitosomed. mitochondrion How did countries around the world respond to the Holocaust after World War11?A. They demonstrated that crimes against humanity would not bepunished harshly.B. They established a new category of crimes for actions similar tothose of the Holocaust.C. They ordered that Germany pay huge reparations to Jews living inGermany.D. They established that no officer could ever be put on trial forfollowing orders. Consider the torque-free rotational motion of an axisymmetric rigid body with J1= 2J2 = 2J3. a) Analytically find the largest possible value of the angle between w and H. (Hint: Write the angular momentum vector in the body coordinate frame {b1, b2, b3} and consider the angular momentum magnitude H = H fixed.) Ans. Omax = 19.47 (show that this is the maximum!) b) Find the critical value of rotational kinetic energy that results in the largest angle between w(omega) and H. Also, find the minimum and maximum rotational kinetic energies. Express your an- swer in terms of H and J2 An institutional breakdown in U.S. financial markets would tend to cause ____a. short-run aggregate supply to increase. b. long-run aggregate supply to increase. c. aggregate demand to decrease. d. aggregate demand to increase.e. long-run aggregate supply to decrease. identify the factors of x2 36y2. prime (x 6y)(x 6y) (x 6y)(x 6y) (x 6y)(x 6y) what is the direction of the force on the proton in the figure? a tank contains 90 kg of salt and 2000 l of water. pure water enters a tank at the rate 8 l/min. the solution is mixed and drains from the tank at the rate 4 l/min. which of the following statements is true of a monopolist? a. a monopoly faces the same pressures to cut costs as a competitive firm does. b. a monopoly is protected from competition by barriers to entry. c. a monopoly faces the same pressures to innovate as a competitive firm does. d. a monopoly must use the most efficient technology or firms that do will drive it out of business. A function is givenh(t) = 2t2 t; t = 5, t = 6(a) Determine the net change between the given values of the variable.(b) Determine the average rate of change between the given values of the variable. Cumberland's Contracting uses linoleum I and vinyl v panels to produce floors in homes. The two inputs are perfect substitutes, but due to the slightly higher quality of their vinyl supplier, the marginal product of vinyl panels is three floors and the marginal product of linoleum panels is two floors. These marginal products are constant. (a) (3) Write down the production function relating output to the amount of linoleum and vinyl panels used in production (f(q. q.)). (b) (3) Given your production function in part (a), does the firm's technology exhibit increasing, constant, or decreasing returns to scale? Justify your answer. (c) (6) Graph the isoquants corresponding to 6, 12, and 24 floors produced with linoleum panels on the horizontal axis and vinyl panels on the vertical axis. Label all relevant slopes and intercepts, as well as each isoquant. What is the MRTS? (d) (8) Suppose that each package of linoleum paneling costs $50 and each package of vinyl paneling costs $100. Derive an expression for a firm's minimum costs of producing f floors, taking into account the input bundle the firm demands and showing clearly how you arrived at your answer.