Answer:
DNA
Explanation:
There are now several effective antimalarial drugs that can treat people who have malaria or prevent them from getting the disease altogether. Predict what will happen to the frequency of the sickle cell allele over the next 100 years as these drugs become more widely used by people living in areas where malaria is endemic: _____________ Predict what will happen to the frequency of the sickle cell allele over the next 100 years in areas like Boston MA, where there is no incidence of malaria: __________ stay the same ; stay the same decrease ; increase increase ; increase increase ; decrease decrease ; decrease
Answer:
decrease, decrease
Explanation:
By using antimalarial drugs in order to prevent malaria, the frequency of the sickle cell allele decreases in both areas where malaria is endemic and the areas where no incidence of malaria occurs because there is no necessity of sickle cell allele in the population to prevent malarial disease. Sickle cells have high significance in prevention of malarial diseases so when there is no malaria happens in the population so there is no need for it and the allele slowly removed from the population and decrease occurs in its frequency.
On automobiles, what is designed to reduce noise pollution?
A Mufflers
B carburetors
C oil
D pistons
QUESTION 5
What has caused the growth in demand for fish?
1. A reduction in the amount of cattle for beef production globally, due to its effect on deforestation
2. A switch towards healthier eating in Europe and fish being one of the only sources of protein for some
LEDCS - (Less Economically Developed Country)
3. Fish is a cheaper source of protein than any other, including vegetarian proteins
4. Population growth in nations like China & Japan whose uncontrolled fishing methods are removing too
many fish
O 1.-
2.-
3.-
4.-
Answer:
option 3 is the best choice.
Explanation:
i am Superior to all.
Calcium is a substance found in vitamins that people take to help strengthen their bones and teeth.
Which plant has been used for a similar purpose?
Answer:
B.) Horsetails!
Explanation: I got it right on the quiz! Good luck!
Answer: horsetails
Explanation: js trust me
PLEASE HELP!!!..........
Answer:
willows, lynx
Explanation:
This is a source of energy that can be concentrated on a dish, trough, or tower to create electricity-This energy source takes eight minutes to reach the Earth-The energy source is converted directly into electricity using PV cells *
Answer:
Concentrating Solar Power and solar panels.
Explanation:
In concentrated Solar Power technologies, mirrors tare used o concentrate the sun's light energy on the water container in order to convert it into heat to create steam which can drive a turbine that generates electricity while on the other hand, electricity can also be produced by installing solar panels that converts light energy into electricity using photovoltaic cell so both methods are different but the product is the same.
How do the organs of the excretory system work together to eliminate potentially harmful wastes from the body?
Answer:
This is the job of the excretory system. You remove waste as a gas (carbon dioxide), as a liquid (urine and sweat), and as a solid. Excretion is the process of removing wastes and excess water from the body. Recall that carbon dioxide travels through the blood and is transferred to the lungs where it is exhaled.
Explanation:
Hope this helped you:D
what is the possible liminations of using hair as evidence in crime investgation s\
Answer:
A limitation of using hair as evidence from a crime scene is that hair can not be directly linked to a suspect. It is impossible to say that a hair sample came from only one specific person.
Answer:
How it got there. Anyone's hair can be carried and blown from anywhere, if so you'd have to go through every persons dna that had contact with a victim and contact with the contactie and so on and so on.
5. Which is the complimentary DNA strand of the DNA strand:
ATGCATGCAATG * (T
(8 Points)
ATGCATGCAATG
TACGTACGTTAC
UACGUACGUUAC
TAGCATGCTTAC
None of the above
Answer:
TACGTACGTTAC (so the second one)
Which statement best describes the term limiting factors?
Answer: what are the options?
Explanation:
What is the correct amino acid for the mRNA codon: UUG
A. proline
B. lysine
C. leucine
D. arginine
Answer:
C. leucine
Explanation:
Hope this helps
In humans, we have ____ pairs of autosomes and ____ pairs of sex chromosomes.
A. 1 and 22
B. 23 and 1
C. 22 and 1
Answer:
C, 22 pairs
Explanation:
Humans have 22 pairs of autosomes
Part 1: Which compound does C represent?
Part 2: Name a process that could release this compound into the air.
Part 3: Explain how the elements that form it are conserved during the carbon cycle. Use complete sentences to explain your answer.
Justify how this compound was created from a recycling of carbon in the carbon cycle. Use complete sentences to explain your answer.
Answer:
part 1: Carbon dioxide
part2: combustion, respiration
part3:
- carbon in the atmosphere is removed by green plants and phytoplanktons in water bodies through the process of photosynthesis.
-The CO2 is then incorporated into carbohydrates such as sugar or starch and eventually to lipids and proteins .
-The plants are later on consumed by the animals and the organic matter in the plants are digested b,absorbed and make up the animal tissues.
-The formation of fossil fuels(fossilization) and limestone also removes CO2 from the atm.
-CO2 in the atm also dissolve in water to form acid rain thus removing CO2 from the atm.
- CO2 is added into the atm by respiration. During respiration plants and animals oxidize carbon compounds in their cells breaking them to CO2 and water which are later excreted into the atmosphere.
- When plants and animals die their remains are broken down by saprophytic organisms converting the carbon compounds to CO2 which is released into the atm.
- When eruption occurs gases are released into the atm amongst which is CO2 thus increasing its conc in the atm.
-
Explanation:
From what I could understand the first part of part three talks abt the removal of carbon dioxide from the atm while the second part talks abt its addition. I hope I got it right.
HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
Why would scientists conduct research on a newly discovered alternative fuel?
A. To maintain the public dependence on fossil fuels
B. To maintain the success of the petroleum industry
C. To confirm that the alternative fuel is cleaner than fuels currently used
D. To confirm that the alternative fuel increases atmospheric carbon dioxde.
Answer:
C. To confirm that the alternative fuel is cleaner than fuels currently used
Explanation:
The current fuels from mining, cutting down trees and even transportation is bad for the atmosphere. These fuels cause climate change which could potentially bring a lot of dangers. The reason scientists would conduct research on a newly alternative fuel is so that the fuel would be a lot more cleaner which could prevent the dangers that are to come.
Why should a scientist repeat the same experiment several times before reporting the results?
Helpp
Answer:
Because is the systematic observation, evaluation of facts and ideas
Explanation:
In scientific methods you have to find the problem, find solution experiment on it several times so that it will be accurate enough then you draw conclusion that is why scientists experiment several times to verify the solution
how will cellular respiration affect oxygen levels
Answer:
Cellular respiration affects oxygen levels because cellular respiration removes oxygen from the atmosphere while oxygen levels puts it back but as carbon dioxide
Explanation:
I completed all my science courses already lol!
on average how many toes does a human have? I think I have too many (not in a test, just wondering)
Answer:
10
Explanation:
we have 10 fingers and 10 toes
Answer:
10
Explanation:
We typicaly have 5 on the right foot and 5 on the left foot so 10 in total.
Hope that helps :)
How do some chemicals increase the risk of a person getting cancer ?
A. By causing an increase of toxins in the skin
B. By causing cell mutations
C. By causing a deficiency of vitamin D
D. By causing a decrease in the immune response
Some chemicals increase the risk of a person getting cancer by causing cell mutations. Hence, option B is correct.
What do you mean by Mutations?Mutations may be defined as the sudden, stable, and inheritable change in the genetic material of the living entities.
Chemicals like ethidium bromide, acridine orange, benzopyrene, etc are carcinogens, i.e. the agents of causing cancer.
These agents are responsible for causing mutations in the cell which leads to cancer.
Therefore, some chemicals increase the risk of a person getting cancer by causing cell mutations.
To learn more about Cancer, refer to the link:
https://brainly.com/question/11710623
#SPJ2
Please help !!!!!!!!!!!
territerrialAnd 3eat foxe Red
7. How does independent assortment affect genetic diversity?
Internal feedback mechanisms keep your body in homeostasis as
A you breathe faster while slowing from a jog to a walk
O B. you breathe faster while running faster
O C. you breathe slower while you are bleeding
O D. you breathe slower while your heart rate increases
Answer:
the answer is A because it is the best answer
Which is the oldest religion in India?
O.Islam
O.Hinduism
O.Bhuddhism
O.Catholicism
PLEASE I NEEED HELP
Winds that change daily in a regular pattern and blow within small areas are called:
O monsoons
O air masses
O global winds
O local winds
Answer:
Explanation:
I think it is local winds, definitely not monsoons
A. Red tailed hawks
B. White spruces
C. Red foxes
D. Lynx
Answer:
Red foxes
Explanation:
The arrow shows the transfer of energy from the shrew to the red fox
John's baptism of Jesus was different from his baptism of other people because:
Jesus was the last person John baptized
Jesus was the first person John baptized
John baptized unto the remission of sin, but Jesus had no sins to remit
Jesus was baptized in the Jordan River, John usually baptized in the Sea of Galilee
Answer:
John baptized unto the remission of sin, but Jesus had no sins to remit
Hope this helps:)
YO PLZ HELP ME!!!!!
Fill in the blank(s):
A nerve ____________________ is an electrical signal that flows through the nervous system
Answer:
I agree with the other person who answer
have a good day :)
Explanation:
The endocrine system includes specialized cells that help fight bacteria and viruses
True or false
Answer:
False, Immune.
Explanation:
This also might help with your assessment, https://quizlet.com/341036936/chapter-11-lesson-3-flash-cards/
Which of the following Identifies a water link between agriculture and urban need?
the loss of land used to construct new buildings
the loss of income from Import and export of food products
the loss of market value for agricultural products that are over produced
the loss of marshes and bogs that provide sources of freshwater used for drinking
Answer:
the loss of mashes and bogs that provide sources of freshwater used for drinking.
As the question says about the identification of a water link between agriculture and urban needs.
A source of freshwater is needed to obtain water ; thus loss of mashes and bogs that provide sources of freshwater used for drinking is the answer.
Answer:the loss of mashes and bogs that provide sources of freshwater used for drinking.
Explanation:
Approximately time passes between B and F
Answer:
14 days
Explanation:
It takes 27 days for the moon to make a full rotation around the earth. Because half the of the rotation around the earth has been made, half 27. Half of 27 is 13.5, so the time between B and F is approximately 14 days.
If an electrically neutral atom contains 16 protons, it must also contains 16 neutrons
true or false
Answer:
False
Explanation:
Well according to my thinking, it's not a must for it to have equal neutrons but electrons are the ones to be equal to the protons