Answer: Inadvertent and deliberate discharge of petroleum, improper sewage disposal, and thermal pollution also are seriously affecting the quality of the hydrosphere. The present discussion focuses on three major problems—eutrophication, acid rain, and the buildup of the so-called greenhouse gases. Hope this helps. Can u give me brainliest
Explanation:
please help me i have to have this finished by 12:35 at the most
which sequence correctly list how chromosomes are packed smallest to largest
chromosomes, chromatic, DNA and protein
DNA and protein, chromatic, chromosomes
DNA and chromatic, protein, chromosomes
Answer:
The answer is the second option.
Answer:
I feel like the answer is c
I'm not too sure
you are asked to prapare a drink that is a heterogeneous mixture.what would you prapare?
a.instant coffee and hot water
b.warm milk
c.soft drinks
d.orange juice with pulp
Identify two of reaction that take place in photosynthesis process and state specifically where in the cell cloes each reaction take place
Answer:
light-dependent reactions and the Calvin cycle.
Explanation:
light-dependent reactions and the Calvin cycle. Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
explain why the rose plant needs to attract insects?
Answer:
The rose needs to attract insects for pollunation
Explanation:
Scientists who study taxonomy are called (1 point)
O paleontologists.
O zoologists
O systematists
O botanists.
Answer:
systematists
Explanation:
I just took the Test
Scientists who study taxonomy are called systematists.
Systematics refers to the field whose objective is to study the diversification patterns of living organisms from different taxonomic groups (e.g., plants, animals, bacteria, etc).Systematists are scientists that classify life forms according to evolutionary relationships, which are visualized as evolutionary trees.Systematists specialize in classifying and sorting biological information about plants and animals and group them according to their patterns of variation.In conclusion, scientists who study taxonomy are called systematists.
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Hummingbirds have long, slender beaks that allow them to feed on the nectar of deep-throated flowers. One hummingbird is born with a short, stout beak as a result of a genetic mutation. What is the most
likely result?
A
This hummingbird will eat insects and spiders instead of nectar.
B В
This hummingbird will build a bigger nest than other hummingbirds.
С
This hummingbird will not live as long as other hummingbirds.
OD
This hummingbird will attract more mates than other hummingbirds
Answer:
C the humming bird will not live as long as the others
Explanation:
It won't be able to gain sufficient resources/ necter like the others hence it will most likely have poor body condition and will not live as long.
One hummingbird is born with a short, stout beak as a result of a genetic mutation, the humming bird will not live as long as the others.
What is mutation ?Mutations are defined as the change in the nucleotide sequence of genetic material due to different process such as substitution, deletion or insertion of the nucleotides leading to changed or faulty protein.
The type of mutations leads to the early and delayed termination of the transcription of a gene, mutation of a single nucleotide leads to termination of transcription otherwise called as nonsense mutation.
If a mutation shows no effect on the protein, known as the silent mutation.
It won't be able to gain sufficient resources/ necter like the others hence it will most likely have poor body condition and will not live as long.
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PLEASE HELPPP!!! Why would scientists want to selectively breed organisms?
Answer:
all are correct. hope this helps
Explanation:
Answer:
D. All are correct.
Explanation:
Selective breeding allows producers to select and breed parent organisms with desired traits to produce offspring with more desirable characteristics. This process creates offspring who are genetically superior to the parent organisms, thus improving plants and animals with each generation.
4
A floor turtle can use the following instructions:
INSTRUCTION
MEANING
FORWARD n
Move n mm forward
BACKWARD n
Move n mm backward
LEFT
Turn left t degrees
RIGHT
Turn right t degrees
PENUP
Lift the pen
PENDOWN
Lower the pen
REPEAT n
Repeat the following instructions n times
END REPEAT
Finish the REPEAT loop
Answer:
A floor turtle can use the following instructions: INSTRUCTION FORWARD n BACKWARD LEFT RIGHT PENUP PENDOWN REPEAT MEANING Move n mm forward Move n mm backward Turn left t degrees Turn right t degrees Lift the pen Lower the pen Repeat the following instructions n times Finish the REPEAT loop END REPEAT 45° 100 mm start Complete the set of instructions to draw this shape by filling in the blank lines. PEN DOWN 90 REPEAT FORWARD LEFT 6 A student wishes to use floor turtle to draw this shape: Name and explain the meaning of three instructions that the turtle graphics software would need to contain in order to draw the shape. 20 40 10 45 85 Instruction 1 Meaning Instruction 2 Meaning Instruction 3 Meaning [6] E.
Why are electrical cords often covered with rubber
Answer:
Explanation:
Most electrical wire is covered in a rubber or plastic coating called insulation. ... The purpose of insulation covering the metal part of an electrical wire is to prevent accidental contact with other conductors of electricity, which might result in an unintentional electric current through those other conductors.
help ....................
Give two examples of homeostasis in the digestion process?
Answer:
Two examples may be
1. Acid and Base balance
and/or
2. Fluid volumes
Explanation:
Provide at least three ways in which Mountains can be impacted by either natural processes or human processes, including both constructive and destructive processes.
HELP! I Will Pick brainliest
Answer:
Chemical & Mechanical Weathering
Erosion
Explosive Volcanic Eruptions
Explanation:
what is occurring during the mitosis phase
Answer:
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. ... Then, at a critical point during interphase (called the S phase), the cell duplicates its chromosomes and ensures its systems are ready for cell division.
Explanation:
Rewrite the following incorrect statement with the correct answer:
Endogenic forces work on the surface of the earth.
Explanation:
Endogenic forces work towards the middle of the earth...creating pressure causing cracks, pits..
Which term identifies a group of cells that work together to perform a similar function? Molecule Organism Organ Tissue
Answer:
Explanation:
Nucleus
Answer:
Tissues
Explanation:
There are four different types of tissues which are connective, epithelial, muscle and nervous. They all work together to perform similar functions. There are more than one tissues in organs that would work together.
II. Identify the following pictures and label the parts:
2.
1.
Identify the given process and answer the following:
Answer:
1)
=> The tube-like structure is filament.
=> The bag-like structure above is Anther.
=> As a whole, they both are called stamen.
=> The grains inside anther are pollen grains.
2)
a) Stigma
b) Style
c) Ovary
d) Ovule
e) Carpel
Part III)
a) Cross-Pollination
b) Self-Pollination
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807Which has the highest density?
A. water at 0°C
B. water at 4°C
C. water at 6°C
D. water at 8°C
Giving out branlyest
Answer:
C
Explanation:
In Drosophila, the genes for eye color, wing shape, and wing length are located on chromosome II. Purple eyes (pr), arc bent wings (a), and vestigial wings (vg) are the mutant forms of the wild type traits red eyes, straight wings, and long wings, respectively. You've discovered some data in your genetics laboratory which indicates that the distance between vg and pr is 12.5 m.u., the distance between a and pr is 44.7 m.u., and the distance between a and vg is 32.2 m.u. what is the chance of a double crossover between these three genes
Answer:
The expected double recombinant frequency = 0.0402 = 4.02%
Explanation:
Available data:
genes for eye color, wing shape, and wing length are located on the same chromosomePurple eyes (pr) is the mutant form of the wild type traits red eyes (pr+)Arc bent wings (a) is the mutant form of the straight wings (a+)Vestigial wings (vg) are the mutant forms of the long wings (vg+)the distance between vg and pr is 12.5 m.uthe distance between a and pr is 44.7 m.uthe distance between a and vg is 32.2 m.u→ Two genes that are very close will have a few recombination events and are strongly bounded.
→ The map unit is the distance between the pair of genes for which every 100 meiotic products, one of them results in a recombinant one.
1) First, we need to know their order in the chromosome, and to do so, we need to compare the distances between them.
The most distant pair is a-pr
----a---------------------------------------------pr---
║-------------------44,7 MU-------------║
From gene a to vg there are 32.2 MU
----a-----------------------------vg--------------pr---
║-------------------44,7 MU-------------║
║----------32.2 MU------║
Finally, de distance from vg to pr is 12.5 MU
----a-----------------------------vg--------------pr---
║-------------------44,7 MU---------------║
║----------32.2 MU------║--12.5 MU--║
We can name region I to the distance between a-vg, and region II to the distance between vg-pr.
2) To calculate the recombination frequency, we have to know that 1% of recombinations = 1 map unit = 1cM. And that the maximum recombination frequency is always 50%.
1 MU -----------1% of recombination
32.2 MU -----X = 32.2 % of recombination
12.5 MU-------X = 12.5 % of recombination
3) The expected double recombinant frequency = recombination frequency in region I x recombination frequency in region II.
The expected d. recombinant frequency = 32.2% x 12.5% = 0.322 x 0.125
The expected double recombinant frequency = 0.0402 = 4.02%
How do Earth's systems respond to change?
Explanation:
It responds to big changes including changes in output from the sun, plate tectonic movements, and random asteroid impacts from space.
Amino acids are joined by dehydration synthesis and link by a blank bond.
Answer:
What is the question?? :}
Explanation:
How does conjunctivitis impact the community ?
Answer:
This is an epidemic form of conjunctivitis which almost always affects both eyes. The patient may complain of a foreign body sensation, with watering, discharge, redness, and swelling of the lids. They may also complain of the eyes being sensitive to light, with blurred vision.
Environmental scientists calculating pollutant half-lives often define a transport rate constant that is analogous to a reaction rate constant and describes how a pollutant moves out of an ecosystem. In a study of the gasoline additive MTBE in Donner Lake, California, scientists from the University of California, Davis, found that in the summer the half-life of MTBE in the lake was 26.01 days. Assume that the transport process is first order. What was the transport rate constant of MTBE out of Donner Lake during the study
Answer:
k ≈ [tex]2.7 *10^{-2} d^{-1}[/tex]
Explanation:
For a first order reaction
Half life ( [tex]t_{1/2}[/tex] ) = 0.693 / k
k = rate constant
[tex]t_{1/2}[/tex] = 26.01
hence k = 0.693 / ( 26.01)
k ≈ 2.7 * 10^-2 d^-1
This is a detailed simple solution as required
Describe two ways that humans influence the cycling of matter in ecosystems.
Explanation:
Two important ways by which humans have affected the carbon cycle, especially in recent history, are: 1) the release of carbon dioxide into the atmosphere during the burning of fossil fuels, and 2) the clearing of trees and other plants (deforestation) that absorb carbon dioxide from the atmosphere
8) "Strip-mining" operations often "begin" with which of the following?
10 points
A) deforestation
B) urbanization
C) desertification
D) reclamation
Answer:
C
Explanation:
C C C C C
Which of the labeled structures is an adaptation that is primarily responsible for helping a paramecium control its water balance?
Paramecium diagram
A. Structure A
B. Structure B
C. Structure C
D. Structure D
Structure D , The term "contractile vacuole" refers to this structure. The vacuole gathers extra water from the cytoplasm and contracts to release it. As a result, paramecium doesn't swell and explode in hypotonic liquids.
Why are contractile vacuoles necessary for organisms?Specialized contractile vacuoles control the amount of water in cells. Its spherical form allows it to gather extra cell fluid and empty it outside. It is essential for preserving the osmotic pressure inside the cell. Protists are eukaryotes with only one cell and are found in wet and aqueous habitats.
The name "contractile vacuole" refers to what?As its name implies, the contractile vacuole expels water from the cell by contracting. The contractile vacuole periodically expands (collecting water) and contracts (releasing water). Several seconds are required for one cycle, depending on the species .
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What is the function of ATP in living things? 1
Explanation:
The function of ATP IN living organisms is that ATP is stored in all the cells for energy of all cells.
ATP captures the chemical energy by digesting food particles, breaking it down to deliver into the
cell process enough to disperse ATP throughout the bloodstream for energy to every cell of the body, to work properly in digestion, releases it to fuel all cells in the body, this is the last process for fuel in the cell system in the digestive process..
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Answer:
T-protease would be active in the stomach and W-protease would be active in the intestines.
Explanation:
Acidic pH's are considered to be less than 7 and 7 is considered neutral. Due to this we know that T-protease is more active in more acidic pH's meaning it would be most active in the acidic stomach.
HELP
Compare and contrast prokaryotes, eukaryotes, and viruses. Be as detailed as possible. Include 2 examples of each type of cell and 2 examples of viruses.
1 or 2 pg
please
Answer:
Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.
Answer:
Microorganisms and all other living organisms are classified as prokaryotes or eukaryotes. Prokaryotes and eukaryotes are distinguished on the basis of their cellular characteristics. For example, prokaryotic cells lack a nucleus and other membrane‐bound structures known as organelles, while eukaryotic cells have both a nucleus and organelles. Prokaryotic and eukaryotic cells are similar in several ways. Both types of cells are enclosed by cell membranes (plasma membranes), and both use DNA for their genetic information.
Prokaryotes include several kinds of microorganisms, such as bacteria and cyanobacteria. Eukaryotes include such microorganisms as fungi, protozoa, and simple algae. Viruses are considered neither prokaryotes nor eukaryotes because they lack the characteristics of living things, except the ability to replicate (which they accomplish only in living cells). Viruses - Corona virus, HIV.