Answer: Chemoautotrophs like algae and plankten are able to use chemosynthesis for thier food.
So maybe it's autotrophs since they don't eat plant's or meat.
Renewable energy is energy from sources that
a.are not used up faster than they are formed.
b.humans can manufacture.
c.will take years to deplete.
d.were once living organisms
What are condensation nuclei?
Answer:
Cloud condensation nuclei or CCNs are small particles typically 0.2 µm, or 1/100 the size of a cloud droplet on which water vapor condenses. Water requires a non-gaseous surface to make the transition from a vapour to a liquid; this process is called condensation.
MAYBE I THINK ;)
Bloom syndrome is an autosomal recessive disease that exhibits haploinsufficiency. A recent survey showed that people heterozygous for mutations at the BLM locus are at increased risk of colon cancer. Suppose you are a genetic counselor. A young woman is referred to you whose mother has Bloom syndrome; the young woman's father has no family history of Bloom syndrome. The young woman asks whether she is likely to experience any other health problems associated with her family history of Bloom syndrome. What advice would you give her?
Answer:
The correct answer is - she is heterozygous for a mutated BLM allele and will have an increased risk of colon cancer.
Explanation:
Autosomal recessive disease expresses itself in next-generation only if there is both alleles are recessive for the gene. In haploinsufficiency, the dominant allele fails to express itself in the phenotype due to insufficiency. So, if even one allele of the recessive gene present in the haploinsufficiency case, it will affect and express its trait.
She is heterozygous for a blood syndrome, as her mother had but her father has no disease, allele and will have an increased risk of colon cancer.
According to the law of conservation of mass, which statement is true?
Question 1 options:
Mass can be created by chemical reactions.
The mass of the products in a chemical reaction do not have to equal the mass of the reactants.
Mass can neither be created nor destroyed.
Mass can only be destroyed by physical transformations.
Answer:
3 Mass can neither be created nor destroyed.
Explanation:
Not number 1 because The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. Not 2 One of these is called the law of conservation of mass , which states that during a chemical reaction, the total mass of the products must be equal to the total mass of the reactants. not 4 go back to number 1 and look why so its 3
Help plz this is fast
Answer:
mold is the answer to the question
Pls help i don't understand :( Will Mark Brainliest!! + 25 Points!!]
Answer: A
Explanation:
What is the definition of trade winds ?
Answer:
a wind blowing steadily towards the equator from the northeast in the northern hemisphere or the southeast in the southern hemisphere, especially at sea. Two belts of trade winds encircle the earth, blowing from the tropical high-pressure belts to the low-pressure zone at the equator.
I got it from the internet
Explanation:
Which sustainable practice is paired correctly with its impact on the environment?
Answer:
Setting irrigation systems to run longer results in a reduction of water use is an example of a correct pairing of a sustainable practice and its impact to the environment.
Answer:
c
Explanation:
Which jobs does an animal's skeletal system do?
Answer:
"The Skeletal system has three very important jobs: Support, protection, and movement. Just think, if we did not have a skeletal system for support we would be just like a blob of Jell-O. The bones also protect many organs, and also the brain."
Explanation:
PLs, i need this done asap pls pls pls u will get brainliest or whatever u need.
Answer: just search up a list of genotypes.
Explanation:
A simple random sample of 25,000 individuals are surveyed in order to determine the prevalence of individuals that contracted the flu in the past year. Assuming 4,250 individuals indicated they had been diagnosed with the flu at some point in the past year, what is the prevalence of flu for the past year, as indicated from the survey participants?
A. 8.30%
B. 83.0%
C. 17.0%
D. 1.70%
Answer:
C. 17.0%
Explanation:
A random sampling of human populations is done to check the frequency of a particular infection. The proportion of the individuals in the total population that suffered the infection at any time during the year are counted. The proportion of the individuals infected any time during the year is divided by the total number of the individuals surveyed and the percentage is taken to calculate the prevalence of the infection in the sampled population.
Here, the total number of the individuals that were infected with flu in the last year= 4250.
The total number of the checked individuals= 25,000.
So, the proportion of the individuals infected with flu in this population= 4250/25000 x 100= 17%
Answer: It is C. 17.0%
Explanation:
When amino acids are linked together to form chains the molecule formed is called what?
Answer:
Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.
Explanation:
the greenhouse effect is bad the cause of climate change and we needed to get rid of it true or false question?
Answer:
hmmmm thats too hard. plez give brianliest.
Explanation:
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
answer is true
Answer:
Its true
Explanation:
because it is (:
hich two phrases in this passage point to the meaning of the word stealthily?
The question in her mind, and one not easily solved, now was, 'How can I get away?' So, as was her usual custom, she 'told God she was afraid to go in the night, and in the day every body would see her.' At length, the thought came to her that she could leave just before the day dawned, and get out of the neighborhood where she was known before the people were much astir. 'Yes,' she said, fervently, 'that's a good thought! Thank you, God, for that thought!' So, receiving it as coming direct from God, she acted upon it, and one fine morning, a little before day-break, she might have been seen stepping stealthily away from the rear of Master Dupont's house."
direct from God
get away
bulk and weight
usual custom
before day-break
Answer:
B and E
Explanation:
Because thats what stealthy means
The meaning of the word stealthily is get away and before day-break.
What is stealthily?You can enter a building discreetly at times, such as when users creep about quietly in the darkness to prevent being seen.
What is get away?Get away means flee from someone or somewhere;
Hence, The meaning of the word stealthily is get away and before day-break.
To know more about stealthily and get away
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In mitosis, two diploid daughter cells are formed. In other words, if you start with 46 chromosomes, you end up with 46 chromosomes.
Answer:
No
Explanation:
In mitosis you always end up with 4 daughter cells, althpugh it is true that theu start with 46 chromosomes and end up with 46 chromosomes.
in you own opinnion how did life originate on earth?
Answer:
The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.
So meiosis produces egg or sperm
Answer:
Your answer is correct, it is eggs
Explanation:
In meiosis in females is called oogenesis while in males it is called spermatogenesis so it does produce a little bit of both because it needs to produce the chromosomes for the offspring half male and half female. It also produces 4 gamete cells and around that time can form the offspring which then can form whatever reproductive organ either it's going to be a girl or a boy. But in meiosis, it mostly produces the eggs because the sperm fertilizes the egg hence the whole Meiosis I and II processes.
Hope this helped :)
What gas in the atmosphere helps to protect us from that radiation
Answer:
ozone
Explanation:
All living organisms on the earth are protected from the harmful radiation coming from the sun by the ozone gas present in the stratosphere. Ozone gas is formed by the action of sunlight only oxygen of the air in the atmosphere.
Answer:
ozone gas
Explanation:
Imagine you could shrink to the scale of the tiny particles that make up matter and move around in a cup of hot chocolate. Write about or draw (and then upload) what you would experience.
Answer:
can you make my friend............
what is the result of cell that undergo division by mitosis
Answer:
mitosis results in two identical daughter cells ..hope this helped!
Explanation: a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells.
The rate limiting reaction of aerobic respiration involves the phosphorylation of __________ by the enzyme _______ . The rate at which this enzyme makes product is ___________when ATP levels rise because the molecule ___________binds to an _________ site on the enzyme and acts as a(n)_________ . When ATP levels fall ________ binds to ________of ____________. This interaction leads to an increase of cellular ___________ , so that this is a n example of a ___________ feedback loop.
Answer:
Explanation:
The rate limiting reaction of aerobic respiration involves the phosphorylation of fructose phosphate by the enzyme phosphofructokinase. The rate at which this enzyme makes product is [increased, decreased] when ATP levels rise because the molecule ATP binds to an allosteric site on the enzyme and acts as a direct inhibitor. When ATP levels fall AMP binds to the allosteric site of phosphofructokinase. This interaction leads to an increase of cellular ATP, so that this is an example of a negative feedback loop.
An aerobic respiration can be defined as a chemical and biological process that involves the use of oxygen in living organisms to make energy (ATP) from carbohydrates (sugars) during cellular respiration.
This ultimately implies that, an aerobic respiration can take place or occur in the presence of oxygen.
What is an enzyme?An enzyme can be defined as a biological catalyst that typically speeds up (accelerates) the rate of a chemical reaction, especially by lowering the activation energy of its chemical reactants.
Factors that affects an enzymeThere are four (4) main factors that affect the actions and the rate of an enzyme and these include the following:
The logarithmic concentration of hydrogen (pH).Temperature.Cofactors.Allosteric inhibitors.Read more on here:
The method used to artificially add water to soil is called __________.
A)
salinization
B)
cultivation
C)
irrigation
D)
compaction
E)
aquaculture
Answer:
C) Irrigation
Explanation:
def: artificial process of applying controlled amounts of water to land
Describe the cause and symptoms of Down syndrome.
The causes of down syndrome are:
The symptoms of down syndrome are:
Attached above..
What is the role that genes play in making proteins?
I need answers like asap plz help
Barley is a grain that grows in many parts of the world. A plant geneticist identifies a gene for larger kernels in a wild relative of barley. The geneticist wants to transfer this gene to barley so that farmers can increase their harvests with the new variety of barley What molecule contains the gene that the geneticist wants to transfer?
a) allele
b) DNA
c) phenotype
d) protein
What do plant cells have that animals cells do not?
Answer:
Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Answer: Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Explanation:
Place the items in order from highest to lowest degree of internal organization. tissue organ system organ cell ↓ ↓ ↓
Answer:
The images of parts of the human nervous system in order from lowest to highest degree of internal organization are as follows: cell, tissue, organ and system. The cells are produced to form the tissues in the body and it is produced for an organ to be produced.
Answer: cell, tissue, organ and system.
Explanation:
A tall plant (TT) is crossed with a short plant (tt). What is the genotype?
Use a punnett square to solve.
OTT: 2/4; Tt: 2/4;tt: 0/4
TT: 2/4; Tt: 1/4;tt: 1/4
TT: 0/4; Tt: 4/4;tt: 0/4
TT: 1/4; Tt: 2/4;tt: 1/4
Answer: TT: 1/4; Tt: 2/4;tt: 1/4
Explanation:
The Punnett square is a diagram that is used in the predictions of genotypes. In this scenario, if we have a tall plant (TT) is crossed with a short plant (tt), after using the Punnett square, the genotype that we will get are as follows:.
TT, Tt, Tt, tt
Therefore, the correct option is option D "TT: 1/4; Tt: 2/4;tt: 1/4
Answer: TT: 1/4; Tt: 2/4;tt: 1/4
Explanation:
How could biotechnology lead to a decrease in the use of pesticides?
Plants can be genetically engineered through the use of biotechnology to be less susceptible to insects. This trait will make pesticide use less necessary.
This is the sample answer on edge.
This method combines the genetic productivity enhancement of plants with the management of their hazardous organisms.
How is biotechnology used?Typically, agricultural biotechnology is utilized to boost plant production productivity to reduce the use of pesticides.
In agriculture by applying biotechnology, pest management and the use of pesticides will be reduced for modified plants.
The emergence of insect-resistant plants will be accelerated by technological advancements, and with an improved grasp of biotechnological processes, the acceptance of biotechnology goods might grow.
Therefore to reduce paste management and make crop resisitance for paste biotechnology is used.
Learn more about biotechnology, here:
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What are the advantages of offspring (babies) that are derived from Asexual
reproduction?
Answer:
it takes less time to produce so more babies and no mutations
Explanation: