Why is water pollution a concern if water is continuously cycled through Earth's systerns?
Answer:
if the water is polluted then fish and water life will die and plants near by will be affected and could also die as well. its like acid rain its not good for the environment.
Explanation:
A newspaper article reported that a fossil was found that was 200,000 years old according to generally accepted radioactive dating procedures. A letter to the editor of the newspaper disputed the accuracy of the age determination because the fossil was found closer to the Earth's surface than were previously discovered fossils of the same age. Which of the following would be an appropriate argument against the letter writer's claim?
Answer: Older rock layers may be pushed closer to the surface by geologic processes.
Explanation:
What is the correct amino acid sequence for the given DNA sequence? TACACGTTCACC
A) methionine, valine, lysine, tryptophan
B) methionine, cysteine, lysine, tryptophan
C) methionine, cysteine, arginine, serine
D) serine, valine, lysine, stop
Answer:
The correct answer is - B) methionine, cysteine, lysine, tryptophan
Explanation:
Amino acid chain or sequence depends on the codes or the information mRNA is copied from the DNA sequence. The DNA sequence is the sequence of the nitrogenous bases that are coded or copied by mRNA in the complementary sequence and then translate into an amino acid sequence:
DNA: TACACGTTCACC
mRNA: AUG-UGC-AAG-UGG
Amino acid sequence: methionine, cysteine, lysine, tryptophan
2. Many people believe that
a mutation will always result
in the formation of a deadly
tumor, or the development
of a major body defect.
Explain why this is incorrect.
Answer:
A mutation is simply an error in the copying of DNA it generally does not have major effects. Mutations are changes in the DNA sequence.
Tumors form by an uncontrolled error in a stage of mitosis that continue to generate cells that aren't correct and eventually lead to tumors.
Explanation:
This is incorrect because not all mutations results in tumor or
development of a major body defect.
What is Mutation?Mutation refers to the changes or alterations which occur in the
nucleotide sequence of a DNA.
AA major body defect only occurs if the change in DNA affects a particular
structure or function of the part involved. Tumor on the other hand is
formed when uncontrolled errors in mitosis during growth and
replacement of tissues.
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2. Which is NOT a cause of physical weathering? A. A mole burrows underground. B. A plant grows into the crack in a rock. C. Waves breaking along a shoreline. D. Rain dissolves a stone statue. Please don't answer of your unsure! ILL GIVE 100 POINTS PLS
Answer:
A. A mole burrows underground
Explanation:
How many mRNA nucleotides codes for 1 single Amino Acid?
A- two
B- three
C- there are only 20
D- one
Please is very important
thanks
Answer:
B
Explanation:
there are three mRNA nucleotide codes in 1 Amino acid
Condensation will most likely occur in a given volume of air when the air is
Answer:
Low air Pressure
Explanation:
What is a B cell? A- a virus that makes bacteria B- a lymphocyte that makes antibodies C-an antigen that makes antibodies D- a pathogen that makes antiges
HURRY PLEASE
it's a lymphocyte that makes antibodies
Put them in order from youngest to oldest !!PLEASE HELP
Answer:
Y
W
X
Z
Explanation:
The timber industry has stagnated because there is no opportunity for innovative new products,
True
False
Answer:
False
Explanation:
The timber industry is making more products everyday
A knife with a sarp edge that has saw like notches or teeth used to slice bread, fruits and vegetables
because hydrogen bonds are weak bonds, they create a perfect site for__.
a. separating nucleus acid stands
b. separating amino acids
c. attaching a phosphodiester bond
d. attaching a helicase enzyme
Answer:b
Explanation:
What are the 3 stages of aerobic respiration?
Answer:
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. Please mark brainliest :)
Where do supporters of the outside-in model say Earth’s water originated from?
Answer:
Bonded to meteorites that hit the Earth
Explanation:
The origin of water on Earth is being linked to the existence of very old meteorites that have been found on Earth. The "Carbonaceous chondrites," which are meteorites, have a similar content to that of seawater. Its isotope levels for hydrogen and nitrogen are similar with Earth's seawater. They're believed to have come from the outer asteroid belt and later on delivered water to Earth after collision.
There are different ways that a pathogen may be transmitted. Which of the following choices best explains how the West Nile virus can be spread?
Answer:
Explanation:vector
Answer:
West Nile virus is transmitted to humans and other animals by mosquito bites.
Mosquitos get the virus from infected birds.
Those who become seriously ill from West Nile virus are often people over the age of fifty.
These people are also at greater risk of developing a more severe form of the infection.
Explanation:
When Barium chloride is formed, what questions will the student need to know prior to making the formula?
O A. What group or family does barium belong to?
O B. What is the state of matter of each element that comprises the final formula?
Exhibits
OC. What are the numbers of valence electrons for each atom?
O D. Are barium and chlorine elements?
Answer: What are the numbers of valence electrons for each atom?
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
The cations and anions combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral ionic compound.
The oxidation states are known by their ability to gain or lose electrons which is decided by the number of valence electrons.
what is the basic pair rule
Answer:
The rules of base pairing are A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) which it always pairs with.
Explanation:
Hope this helps!
Answer:
Explanation:
What Are the Base Pairing Rules for DNA? The base pairing rules for DNA are governed by the complementary base pairs: adenine (A) with thymine (T) in an A-T pairing and cytosine (C) with guanine (G) in a C-G pairing. Conversely, thymine only binds with adenine in a T-A pairing and guanine only binds with cytosine in a G-C pairing.
The image below is an example of a typical bacterial cell. Which of the following statements regarding bacteria is true? A. Bacteria contain mitochondria. B. Bacteria contain a cell wall. C. Bacteria contain chloroplasts. D. Bacteria contain nuclei.
Answer:A cell wall is a layer located outside the cell membrane found in plants, fungi, bacteria, algae, and archaea. A peptidoglycan cell wall composed of disaccharides and amino acids gives bacteria structural support. The bacterial cell wall is often a target for antibiotic treatment.
Explanation:B.Bacteria contain a cell wall
what is anaphase and interphase ?
Answer:
Chromosomes are duplicated in interphase; metaphase keeps one copy on each side of the metaphase plate. Anaphase: The sister chromosomes are pulled apart at their centromeres by the spindle fibers and move to opposite poles of the cell.
⇒⇒ Hope it helps
Which of the following is one of the roles of chloroplasts in plant cells?
a. storage of energy as heat
b. breakdown of sugar into energy
c. capture of energy from sunlight
d. capture of energy from food
Answer:
C.
Explanation:
Answer:
option C
Explanation:
CHLOROPLAST CAPTURES ENERGY FROM SUNLIGHT
Which type of scientific statement is defined as "a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable"?
Answer:
Hypothesis
Explanation:
i just did it
Answer:hypothesis
Explanation:
Edg 2021 just got 100
Fermentation takes place in absence of carbon dioxide. *
true
False
Answer:
False
Explanation:
Because carbon dioxide is needed for fermentation to take place.
blank currents are caused by temperature and density differences
Answer:
Deep currents ...
Explanation:
Question 2 of 10
Why is cybersecurity an important part of sending information using digital
signals?
A. It prevents the digital signal from changing to an analog signal.
B. It changes the code while transmitting information, then never
changes it back.
C. It removes noise from the signals, making them more reliable.
D. It keeps data safe while stored in the cloud and when they are
transmitted
Answer:it is d
Explanation: just took the quiz:)
It keeps data safe while stored in the cloud and when they are transmitted. Hence, option D is correct.
What is cyber security?The term "cyber security" refers to a group of techniques, tools, and procedures that work together to defend computer systems, networks, and data against hacker attacks and illegal access.
Cybersecurity is important because it helps defend against online attacks on businesses and people. Data breaches, identity theft, and other forms of cybercrime can be avoided with the use of cybersecurity. To protect their consumers' data and information, businesses need to have robust cybersecurity procedures.
Cybersecurity is an important part of sending information using digital signals because it keeps data safe while stored in the cloud and when they are transmitted. Hence, option D is correct.
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Question 1
urces
Which best defines "social location"?
O Where you are situated in relation to others around you
A term used to describe a geographic location
A type of political map used by sociologists
O A term borrowed from psychologists to refer to a popular party destination
Question 2
Which of the following prefer body temperature?
mesophile
barophile
neutrophile
thermophile
halophile
Answer:
I believe it's mesophile.
Does budding use mitosis
Answer:yes
Explanation:
because it does
Which type of energy is formed during the process of photosynthesis? A Chemical B Radiant C Thermal D Kinetic
Answer:
I'm not sure but I think chemical.
Explanation:
Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
The____is the thing being dissolved
A. Solute
B. Solution
C. Solvent
Answer:
Solution?
Explanation:
B I think is the correct answer!
Why do you get dehydrated from anaratic
Answer:
Because it get really cold
Explanation:
