Scientist are studying different jackets made for extremely cold
Which jacket traps the most heat
This answer needs to be based off of scientific research, so this one makes the most sense out of the other ones.
True or False: In a lake, the "community" includes all of the fish, turtles, frogs, algae, lily pads, and water.
Answer:
true
Explanation:
Which of the following is not true of specialized transduction?
A. It is carried out by temperate phage.
B. It is restricted to those genes on either side of an integrated prophage.
C. The phage genome retains the full complement of phage genes.
D. All of the choices are correct.
Answer:
C. The phage genome retains the full complement of phage genes.
Explanation:
Transduction refers to the mechanism where a bacteriophage (i.e., a virus capable of infecting bacteria) transfers exogenous DNA from one bacterium to another. During transduction, the bacteriophage coopts the host (bacterial) cellular machinery in order to replicate their own genetic material, for which the virus needs to integrate its own genetic material into the bacterial genome. Specialized transduction refers to the genetic mechanism where a particular set of bacterial genes (donor genes) is passed to another bacterium. This process occurs when a bacteriophage genome that is inserted into the bacterial genome (also known as prophage) excises imprecisely and then adjacent donor genes are included in the excised genetic material.
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Answer:talk about how fascinating Nature is in all of the good qualities it’s good to preserve nature for animals and to make the world last longer with things like pollution and go on from there
Explanation:
Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the Independent Variable: What is the Dependent Variable? What is the controlled variable?
Answer: Height
Explanation: IV diverse stickiness levels, DV height CV, same tree type(redwood), time (12 weeks) – tree left external I typical conditions is likewise viewed as a benchmark group as it encounters no mugginess change.
The various variables can be grouped as :
Independent variable; Humidity levels
Dependent variable; Heights of the trees
Controlled variable ; Green house
The independent variable is the variable that not affected by the change in other variables, it determines the outcome of an independent variable in an experiment. and from our question the independent variable is the different humidity levels inside the Greenhouse
Dependent variable is the measured variable in an experiment which is primarily dependent on the Independent variable, it can be likened to be effect/result of an experiment ; height of the trees
A controlled variable is a variable that is held constant during an experiment because it doesn't have a direct importance on the aim of the experiment, but it can affect the outcome if not controlled ; Green house
Hence the independent variable = Humidity levels, Dependent variable = height of trees and the controlled variable = green house
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describe the polarity of the sides of the water molecules facing toward and away from the two different ions
Answer:
Water (H2O) is polar because of the bent shape of the molecule. ... The highly electronegative oxygen atom attracts electrons or negative charge to it, making the region around the oxygen more negative than the areas around the two hydrogen atoms.
Explanation:
All living species are able to reproduce.
O True
O False
False I think I'm not 100% sure tho
Answer:
True
Explanation:
There are two forms of reproduction: asexual and sexual. In asexual reproduction, an organism can reproduce without the involvement of another organism,in sexual that organism needs to have a partner to reproduce.
Should I drop out of University? I am a biology major, and I didn't realize that it's very intense and tedious. I have two labs every week, I barely get chance to study during the weekdays. I don't mind studying, I'm just not used to the overload. I am bad at time management and I became unmotivated. What do I do?? If you're in college please give me advice. **IF YOU'RE NOT IN COLLEGE DO NOT ANSWER (since it doesn't apply to you)**
*Not in college but im a senior in college classes*
d I wouldn't say dropping out is the best answer, but I do know that come colleges/universitys offer major changes. I would see if yours offers that option. I'm also terrible at time management and movitivation. I know it doesn't sound like much fun, but I normally have a study day that I dedicate to studying. Last year it was Sunday, since I didn't have school and I'm already home with church. But this year I've been using monday and thursday as my study days.
I know it gets hard, and a lot of things are uncertain lately, but it'll be okay. You can do it, good luck!
how and why earth material seperated into layers.
Answer:
After several million years, the Earth separated into several layers. Iron, nickel and other heavy metals mostly settled to the core; lighter elements remained in the mantle around the core. The lightest elements, such as oxygen and silicon, floated to the top and cooled, forming a solid crust. Because the Earth was not completely liquid, the layering process was uneven; pockets of heavy elements remained in the crust.
How does the size of a pure substance affect its density? ( Only claim is needed for CER)
Answer:
See the answer below
Explanation:
The size of a pure substance has no effect on its density.
The density of a pure substance which is the ratio of the mass and the volume of the substance is constant. Mathematically, the density is expressed as:
Density = [tex]\frac{mass}{volume}[/tex]
This means that for every increase in the mass of a pure substance, the volume will increase measurably and vice versa. Under normal conditions, it is practically impossible to increase the mass of a substance without increasing the volume of the substance. It is also not possible to increase the volume of a substance without increasing the mass of the substance.
Hence, the density will always remain constant irrespective of the size of the substance.
Which phrase best defines a galaxy?
Answer:
Tightly packed group of older stars large grouping of more than two stars loose, disorganized star cluster held together by gravity large collection of stars, gas, and dust held together by gravity
Explanation:
A child with a large head, multiple fractures, and blue sclerae (whites of the eyes) is evaluated for osteogenesis imperfecta. One study involves labeling of collagen chains in tissue culture to assess their mobility by gel electrophoresis. Amino acids labeled with radioactive carbon 14 are added to the culture dishes in order to label the collagen. Which of the following amino acids would not result in labeled collagen?
a. Serine
b. Glycine
c. Aspartate
d. Glutamate
e. Hydroxyproline
Answer: e. Hydroxyproline
Explanation: Osteogenesis imperfecta is a systemic heritable disorder of connective tissue whose cardinal manifestation is bone fragility - i.e. it is characterized by brittle bones that easily fracture. Hydroxyproline employed in radioactive labeling would not result in labeled collagen because it is not incorporated per se during the synthesis of collagen.
A researcher wants to determine the effectiveness of an enzyme at various
temperatures. Which of the following would best help the researcher determine
how well the enzyme is working? (D.O.K 2)
Answer:
This question lacks options, but the answer is TEMPERATURE
Explanation:
In an experiment, two common variables are used: independent and dependent variable. The independent variable is the variable that is changed or manipulated by the experimenter in order to effect a response in the dependent variable.
The dependent variable, on the other hand, is the responding variable or the variable that is measured by the experimenter. Note that, It is dependent on the independent variable.
In this question, the independent variable is DIFFERENT TEMPERATURE that the enzymes were exposed to because it is what is being changed by the researcher. The dependent variable is the EFFECTIVENESS OF THE ENZYME, which is dependent on the temperature it is exposed to.
Hence, how well an enzyme works (effectiveness) is determined by the TEMPERATURE
Which is not a type of variable in an experiment
Answer:
Scientists try to figure out how the natural world works. In doing so, they use experiments to search for cause and effect relationships. Cause and effect relationships explain why things happen and allow you to reliably predict what will happen if you do something. In other words, scientists design an experiment so that they can observe or measure if changes to one thing cause something else to vary in a repeatable way.
what biological macromolecule is made up of monomers like the one shown below
Answer:
C. Protein
Explanation:
Proteins contain C, H, O, and N.
Most notably, they contain an R group (aka a side chain), which is different for each for amino acid. The R group is symbolized by the letter R in the image.
any idea on what it is?
Answer:
Adding a catalyst
Explanation:
We know this because :
→ We can see the other options contain 'removing' and' decreasing' and when those words are mentioned, it wouldn't increase the rate of a reaction
→ A catalyst speeds a reaction without being used itself
Please Help me I will give out extra points. This type of cell contains a nucleus and organelles that are surrounded by membranes. Question 2 options: prokaryotic eukaryotic unicellular bacteria
Answer:
Eukaryotic cells
Explanation:
Answer:
eukariyotic/unicellular
Explanation:bc unicellular can be eukariyotic so you can really chose between those two but unicellular has a broader definition.
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!! Which evidence would confirm that a given rock layer is newer than the layers around it? A. It has been crumpled and folded, while the other layers lie flat. B. Other layers have been deposited above it. C. It is horizontally-oriented. D. It cuts through all the other layers.
Answer:
D. It cuts through all the other layers.
Explanation:
The upper layers, those that are closest to the surface of the Earth, are the newest layers to be laid down. Layers below are older. Since sedimentary rocks form on top of each other, it is very easy to see Earth's geologic history in areas where this type of rock is found.
The rock layer is older than the surrounding strata D. All the other layers are pierced through by it.
Which four rock strata are there?Above other rocks, this one is the youngest. Oldest rock: The rock formation is situated beneath all others. This rock stratum is immediately above the second-oldest. the erosion above: After the older rocks was slanted and worn away, this layer developed on top of them.
Why is there a rock layer?Typically, sedimentary rocks are found in horizontal layers known as strata. Younger strata sit on top of older layers in undisturbed strata. The superposition law governs this. Other geologic elements, such as fractures or intrusions, can cut strata. A crack is a gap in Earth's surface.
To learn more about: Rock layer
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Help me please ........
2. Change shape(structure)
3. Amino Acids
4. Fatty Acids
5. ?
6. ?
7. Monomers/Polymer
Hope I got these right.
How long does it take for half of the carbon-14 to convert back to nitrogen? Radioactive decay will cause carbon-14 to eventually become what? Why is carbon dating only useful for formerly living organisms?
Answer:
The correct answer is -
- 5,730 Approximately
- carbon-12 isotopes
- carbon-14 decays at this steady rate
Explanation:
Half the amount of the radioisotope present at any given time will undergo spontaneous disintegration during the succeeding 5,730 years so the Carbon-14 has a half-life of 5,730 Approximately .
As Carbon-14 unstable it is considered a radioactive isotope of carbon, carbon-14 will inevitably decay back to carbon-12 isotopes.
Radiocarbon dating is a method utilized by researchers to learn the ages of organic examples. It very well may be utilized on objects as old as around 62,000 years.
Radiocarbon decays gradually in a living being, and the amount lost is ceaselessly renewed as long as the living being takes in air or food. Since carbon-14 decays at this steady rate, an estimate of the date at which an organism died can be made by estimating the measure of its residual radiocarbon.
Choose all the answers that apply.
Science should be
based on opinion
subjective
free from bias
based on fact
objective
Answer: Based on fact, Free from bias, objective
Explanation:
Answer: C,D,E or 3,4,5
Can you help me i will give you a branlist
What's a chemical reaction?
Answer:
process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction....
by the way it is not biology subject
hlo krutika
can I talk to u in comment section
a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
What is the early phase of the star called once the gas and dust begin to coalesce?
What is the difference between matter, atoms, and elements? Asking for a classmate since she doesn't have a phone :)
Answer:
Matter is mass, Element is matter, and Atom is element.
Explanation:
Matter is anything that has mass or takes up space (Volume). Matter is made of elements. Elements such as carbon dioxide or gold. An atom is the smallest unit of matter. Elements are made of atoms. Atoms are what chemically makes an element. :) Hope she gets her phone!
9. Which job helps to create clementines? *
(5 Points)
Food inspector
Geneticist
Ο Ο Ο
Farm Worker
Local supplier
Answer:
Farm worker
Explanation:
What example is lactose and cellulose
Answer:
They can be divided into simple carbohydrates, which include monosaccharides (e.g., glucose, fructose, galactose) and disaccharides (e.g., sucrose, lactose), and complex carbohydrates, which comprise starch and nonstarch polysaccharides (e.g., starch, glycogen, cellulose)
Explanation:
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A geneticist is studying two traits in the fruit fly - eye color and wing shape. They perform a dihybrid cross. If the genes for these traits are not linked, what proportion of the F2 offspring will be expected to display the dominant phenotype for eye color and recessive phenotype for wing shape
Answer:
3/16
Explanation:
According to Mendel's law of independent assortment of genes, when a dihybrid cross involves two genes that assort independently and one of the parents is dominant for the two genes and the other is recessive, the phenotypic ratio of the offspring at F2 would be 9:3:3:1. The proportion of the offspring with the dominant parental traits would be 9/16, those with the recessive parental traits would be 1/16, while those with mixed traits would be 3/16 each.
Assuming the eye color is represented by E and the wing shape is represented by W. At F2
EeWw x EeWw
E_W_ - 9/16 (dominant for both eye color and wing shape)
E_ww - 3/16 (dominant for eye color and recessive for wing shape)
eeW_ - 3/16 (recessive for eye color and dominant for wing shape)
eeww - 1/16 (recessive for both eye color and wing shape)
Hence, the proportion of the offspring with dominant phenotype for eye color and recessive phenotype for wing shape would be 3/16.
Hiro is a 46-year-old male who has recently acquired severe food poisoning, which caused 72 hours of frequent vomiting and diarrhea. The third day after his symptoms began, Hiro experienced heart palpitations and confusion. He had trouble answering simple questions and felt disoriented. His care team was concerned about these new symptoms and decided to perform a urinalysis and several blood tests to determine the cause. These are Hiro’s results:
Blood Calcium Level: 4.6 mEq/L
Blood Sodium Level: 140 mEq/L
Blood Potassium Level: 2.9 mEq/L
Urine Specific Gravity: 1.020
Which of the following conditions is Hiro experiencing?
a. Hyperkalemia
b. Hyponatremia
c. Hypercalcemia
d. Hypokalemia
A medical company has developed a product that contains an enzyme that helps lactose intolerant individuals digest the sugar lactose, which is found in many dairy products. The medication should be stored at a temperature that has a lower rate of reaction than in the body. The company would like to know the ideal temperature at which to store this new medication. During a controlled experiment, the following data is collected: Based on the data, at which temperature would you suggest the pharmaceutical company store the medication and why? A.The medication should be stored at room temperature because the enzyme has most effectively catalyzed the reaction at this temperature. B.The medication should be stored at a cold temperature because the data shows that the enzyme action slows down at colder temperatures. C.The medication should be stored in hot water because the enzyme denatures at higher temperatures. D.The medication should be stored in warm water because the heat from the water sped up the rate of the reaction to its optimal level.
Answer:
B.The medication should be stored at a cold temperature because the data shows that the enzyme action slows down at colder temperatures.
Explanation:
The most suitable temperature to store a medication is the cold temperature because the activity of enzyme is slower at lower temperature. Higher temperature cause denaturation of enzymes while at 37 degree Celsius temperature, the enzyme activity is maximum so both high temperature and room temperature is not good for the medication whereas temperature less than 5 degree Celsius is the best to store medication.