The organelle in white blood cells that play a critical role in them doing their job is the lysosomes.
Organelles are membrane-bound components of a cell that works together for the perfection of a cell function.
A typical example of an organelle is the lysosomes which contains digestive enzymes that are capable of breaking down the cells of invading organisms.
In the human body, the white blood cells which is a component of the blood cells, is made up of lysosomes.
This is because it's primary function is to protect the human body against invaders and infectious diseases.
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When a stream's velocity decreases from 300 to 200 centimeters per second, which size sediment will be deposited?
Middle size sediment will be deposited on the ground when the speed of flowing water decreases.
Deposition of sedimentsWhen a stream's velocity decreases from 300 to 200 centimeters per second, the middle size sediment will be deposited because of the lowering velocity of the stream. Big size sediments hardly move by the water of the stream.
While on the other hand, middle and small sized sediments easily moved by the flowing water due to their light weight so we can conclude that middle size sediment will be deposited on the ground when the speed of flowing water decreases.
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20 points real answers would be amazing thank you!
Which of these is a property of tsunami waves? (1 point)
high frequency
very high speed
short wavelengths
very large amplitude
Answer: The answer would be high frequency
Explanation:
Which of the following is most clearly a benefit of genetic engineering?
The production of insulin hormone by the bacterial genes is the most likely benefit of genetic engineering.
Answer:
The production of insulin hormone by the bacterial genes is the most likely benefit of genetic engineering-
Explanation:
production of human insulin through genetic modification of bacterial genes
D
Explain the scientific evidence that supports continental drift.
Answer:
- The geography of the continents (they fit each other, contain similar mountain ranges, etc)
- The distribution of fossils and rocks
- The locations of ancient climatic regions
Explanation:
The continental drift theory states that continents moved across geologic time, plowing through oceans and drifting to different parts of the planet. The continental drift theory is associated with Alfred Wegener, who the first in using this terminology in 1912. Some of the most important lines of evidence that support the continental drift theory are the movement of continents on tectonic plates, the presence of evolutionarily related plant and animal fossils in different continents, paleoclimate indicators (e.g., glacial striations), etc.
Which of the following is not a major component of blood in humans? AEpithelial cells BRed blood cells CWhite blood cells DPlasma EPlatelets
Answer:
A - Epithelial cells
Explanation:
Epithelial cells are cells that come from surfaces of your body, such as your skin, blood vessels, urinary tract, or organs. They serve as a barrier between the inside and outside of your body, and protect it from viruses. A small number of epithelial cells in your urine is normal.
The connection between genes and polypeptides involves another type of nucleic acid called _______.
Answer:
Translation
Explanation:
Add 3 Glucose molecules (1 pt)
Answer:
Explanation:Glucose is a monosaccharide containing six carbon atoms and an aldehyde group, and is therefore an aldohexose. The glucose molecule can exist in an open-chain (acyclic) as well as ring (cyclic) form. Glucose is naturally occurring and is found in fruits and other parts of plants in its free state.
please help with my biology
Researchers examined the ability of cultures of the bacterium Pseudomonas aeruginosa to adapt to the antibiotics ceftazidime and avibactam when they are administered together. The researchers grew four replicate cultures in growth medium with no antibiotics added (control) and four additional replicate cultures in the same growth medium with added ceftazidime and avibactam. At the conclusion of the experiment, samples of the replicates exposed to the antibiotics were removed and their genomes were sequenced. All of the antibiotic-resistant mutants were missing three genes (hmgA, galu, mexXY). It is known that one of these three genes makes wild-type P. aeruginosa susceptible to the two antibiotics. However, the researchers do not know which gene it is. Which of the following experiments would specifically determine which gene is responsible for ceftazidime- avibactam sensitivity in P. aeruginosa ?
A. Clone the three deleted genes from a wild-type P. aeruginosa strain, and insert these sequences into the mutant bacterial strains to restore sensitivity to ceftazidime-avibactam.
B. Delete genes that are homologous to the three deleted genes in other bacterial species, and determine if doing so also confers ceftazidime-avibactam resistance in those bacteria.
C. Perform qene knockout (targeted mutation) of either the hmgA, galu, or mexXY gene on separate cultures of the wild-type P. aeruginosa. For each individual mutant, determine whether or not ceftazidime-avibactam resistance has occurred.
D. Perform gene knockout (targeted mutation) of both the hmgA andgalu genes of the wild-type P. aeruginosa in a single culture, and then determine if ceftazidime-avibactam resistance has occurred in the mutant strain.
Answer:
The correct answer is - option C.
Explanation:
The researcher found that the three genes hmgA, galU, and mexXY were missing from antibiotic-resistant mutants. It is known now that one of these genes is responsible for the susceptibility to the two antibiotics of wild-type P. aeruginous.
Performing gene knockout (targeted mutation) of all three genes on separate cultures of the wild-type P. aeruginosa would help to know which gene is responsible by determining if ceftazidime-avibactam resistance has occurred for each gene or not.
What do you mean by the term ,'symbiosis' ?
Sayonara (~‾▿‾)~
Answer:
interaction between two different organisms living in close physical association, typically to the advantage of both.
#Carry on learning o(〃＾▽＾〃)o
which statement about DNA replication is true?
A. Prokaryotes only have one origin of replication to initiate replication
B. Prokaryotes can only replicate their single circular chromosome in the nucleus.
C. Eukaryotes can only replicate one segment of a chromosome at a time.
D. Eukaryotes only have one circular chromosome that unwinds at multiple locations.
When the population of ant (prey) increases, what would you predict the population of the ant-lion (predator) would do?
A. Decrease
B. Increase, because there is more food available to them.
Answer:
B
Explanation:
When there’s more food, the populations that depend on that food with flourish. It is also worth noting for future questions that a decrease in predation will usually lead to an increase in a population of prey. Hope this helps :)
The population of ant (prey) increases, what would you predict the population of the ant-lion (predator) would :
B. Increase, because there is more food available to them.
The population of ant (prey) increases, what would you predict the population of the ant-lion (predator) would increase, because there is more food available to them.When there is more food, the population that depends on it will prosper. For future questions, it is also worth noting that a decrease in predation usually leads to an increase in prey population.Thus,the correct answer is B.
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While playing baseball with his friends, Reyes was almost hit in the face with a fast ball. Neurotransmitters in his _____ were released, triggering the firing of neurons throughout his brain and the release of chemicals throughout his body. His heart beat quickened, his pupils dilated, and his respiration increased.
hypothalamus
I hope this helps
A scientist is raising the temperature of a sample of water to find out if the amount of salt that can be mixed into the water changes. Which
the independent variable in this investigation?
b
ОООО
the amount of water in the sample
the temperature of water
the amount of salt that mixes in the water
the type of salt mixed into the water
Answer:
i think is the temperature of water(b)
state three reasons for preventing food spoilage
Answer:
1) Refrigerate or freeze
If you freeze or refrigerate the food, the bacteria or whatever organism growth will slow down in the food by a Greta amount due to the coldness. Refrigerate might be a temporary food soteage for like a week or 2/ month max. While freezing will just freeeze the bacteria and mold on the food which can be stored up to 3- 12+ months even. But then again it will be most likely flavorless by the end or have no nutrients value. You can stores mik in the freezer for a while but its not recommended to taste, same for other thing syou usually see in the fridge, eggs/ vegetables/fruits/ milks/ yogurts/ etc.
2) No moisture, no water of any kind (drying in the sun or salted)
So every living thing we know of needs water. Including bacteria and mold. Without water, theres no place to thrive. No place to thrive means no bacteria and food is safe for a good amount of time. Dried foods can last a really long time, sure some types are really unpleasant but its edible. But you can’t techincally “dry” meat since it will be A whole nest for flies before it even reaches the halfway mark. You can slat it which will lessen he time but still really efficient. Salt absorbs water and breaks down any type of Stuff. Its like a mini acid.
3) Canned good and no air access (Pressurized/ controlled container)
This is done by putting all your favortie food in a metal container. With no air access, the bacteria or mold in the food already in can’t escape and new ones can’t get in. THe can then is boiled to a certain tempature where then the bacteria dies. Now the food can even be perishable stuff like meat (most common fishes), fruits and even a nice can of liquid soup. Nothin g can get in. Nothing can get out but nothing CAN get out becuase eveythign is dead. Canned food can last REALLY LONG, good for long term expeditions without a fire or food.
Answer:
Drying is one of the most ancient food preservation techniques, which reduces water activity sufficiently to prevent bacterial growth. Refrigeration preserves food by slowing down the growth and reproduction of microorganisms and the action of enzymes which cause food to rot
Explanation:
Infer from the photo below where the light
source is in relation to the plant
Answer:
caca
Explanation:
acac
Chromosomes often exchange segments of DNA during meiosis. How might this increase the survival of a species?
Answer:
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase
Do you think genetics play a role in the different skin colors we have on the top of our arms vs the bottom? Why or why not?
Answer:
the top of our arms may be darker because they get more exposure to the sun than under our arms causing them to be lighter
The parenting style that can be described as lenient or inconsistent is called __________.
A. authoritarian
B. authoritative
C. permissive
D. backbone
Answer:
You're answer is C - Permissive!
Explanation:
- Eijiro <3
Answer:
C. Permissive
Explanation:
Took Edge test, got 100% :D
19. Salinization may be caused by
a. crop rotation.
b. long-term irrigation.
c. high rainfall.
d. All of the above
Answer:
The correct answer is A. crop rotation.
Explanation:
Hope this helps :)
I control all metablic activities of the cell
Answer:
What do you mean by I control all metabolic activities of the cell
5. Mutations in DNA occur when there is a change in the base-pair sequence of a
gene. Which of these is not an accurate statement about mutations?
A.Most mutations occur when a cell copies its DNA for cell division.
B.Mutations can involve adding, removing, or substituting genes.
C.Mutations always cause a change in the in the way an organism looks.
D. Mutations can be beneficial . Which of these is not an accurate statement about mutations?
Answer:
C. Mutations always cause a change in the in the way an organism looks.
Explanation:
which ecosystem service with suffer the most from opening a large stretch of coastal or domestic drilling
a) cultural
b) provisioning
c) regulating
d) supporting
Answer:
I believe the answer is Provisioning services
Explanation:
Biodiversity is known to underpin these ecosystem services, which inter alia, include: 1) provisioning services that provide potable water, food, fibre, and medicine; 2) regulating services that control our climate, disease vectors, crop pests, and pollinators; 3) cultural services that influence our beliefs, traditions and provide enjoyment opportunities; and 4) supporting services that underpin life on Earth through the cycling of nutrients, soil formation, and photosynthesis
Correct me if i'm wrong but i hope i helped! xoxo
The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment Which of the following is a possible negative effect of the use of these chemicals on the environment?
Pesticides are known to enter into the bodies of animals via chemicals in the water (the pesticide will soak into the sod and spread to underground water), which can cause reproductive defects and harm (DDT, for example), which can decline the population of said species, giving a chain reaction to other organisims dependent on the endangered species.
What do we call animals that enable plants to sexually reproduce
Answer:
Sexual reproduction is the production of a new organism from two parents by making use of their sex cells or gametes. The humans, fish, frogs, cats and dogs, all reproduce by the method of sexual reproduction.
Explanation:
Answer:
Gametic Cells
Explanation:
Gametic Cells are called sex cells that enables the process of reproduction in both organisms
colonel fazackerly butter worth toast
1)why was colonel feeling week
Answer:
here is everything i think so?
When the computer you are working on uses energy it also produces waste energy. What type of energy is this waste energy
Answer:
Chemical energy
Explanation:
I just took the exam!!
Hope this helps!!
Have a blessed day/night <333
Multigene families include two or more nearly identical genes with related functions. A classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. Some of these genes produce hemoglobin only in the fetus or embryo. Others are very similar to functional genes, but have accumulated mutations and are no longer functional. A scheme of alpha globin gene family and beta globin gene family. The alpha globin gene cluster is located on chromosome 16 and includes the loci zeta, pseudozeta, pseudoalpha-2, pseudoalpha-1, alpha-2, alpha-1, pseudotheta. The zeta gene produces hemoglobin in the embryo; alpha-2 and alpha-1 produce hemoglobin in the fetus and adult. The beta-globin locus is located on chromosome 11. The order of the genes in the beta-globin cluster is epsilon, gamma-G, gamma-A, pseudobeta, delta, beta. Epsilon produces hemoglobin in the embryo, and gamma-G and gamma-A produce hemoglobin in the fetus. Delta and beta produce hemoglobin in the adult. What is the most likely mechanism for a gene sequence moving from one chromosome to another
Answer:
Transposition to different chromosomes by the ancestral gene
Explanation:
Transposable Elements (TEs), also known as jumping genes, are genetic mobile elements which are able to move from one location to another on the genome. There are two major mechanisms of TE transposition: 1-cut-and-paste mechanism, where one particular TE is inserted into a new position on the genome without replication, and 2-copy-and-paste mechanism, where a new copy is generated and the original TE remains at the original genomic site. In this case, it is likely that new TE copies containing the ancestral (duplicated) gene have proliferated through the copy-and-paste mechanism.
The food making process is called
The food making process is called photosynthesis.
A homeowner is interested in conserving energy and money by changing their heating and cooling habits in their home. Their
monthly bill for heating their home is approximately $200 in the winter months. By setting their thermostat one degree lower, the
homeowner can save 5% of their energy bill in the winter. Calculate how much the homeowner will save in one winter month is they
set the thermostat to three degrees lower than normal.
A)
$10
B)
$20
C)
$30
D)
$5
Answer:
A $10
Explanation:
5÷100=20 20÷200=10 so therefore the answer is $10