Answer:
B. preservation of advantageous genetic mutations
Explanation:
The process of natural selection involves the preservation of advantageous genetic mutation in a given population.
Natural selection is one of the key factors that ensures the evolution of organisms.
Desired traits that are able to survive adverse conditions like disease, food shortage, natural disasters are favored by the process of natural selection. Traits that also undergo advantageous genetic mutation in order to get a competitive advantage is also accrued to natural selection.help please TvT. Which one is it?
Answer:
a
Explanation:guess
Answer:
its A
Explanation:
some bacteria help to digest food, destroy disease-causing cells, and give the body needed vitamins. Bacteria are also used in making healthy foods like yogurt and cheese. But infectious bacteria can make you ill.
The majority of the human body is made up of molecules that contain H,
C, O, N, and P. In your own words why is a diet of only carbohydrates insufficient for long
term survival?
Answer:
In the absence of carbohydrates in the diet, your body will convert protein (or other non-carbohydrate substances) into glucose, so it's not just carbohydrates that can raise your blood sugar and insulin levels. If you consume more calories than you burn, you'll gain weight.
meinsarde Shat you'll analye is from the National Oceanic and Atmospheric Administration (NOAA). Open this
page and select the Human Influence tab. Read the article and list three conclusions the author draws about human
movement in cimate change. In two to three sentences describe the evidence cited that explains each conclusion.
Answer:
hope it helps you plz mark me brilliantest
Explanation:
Impacts from climate change are happening now. These impacts extend well beyond an increase in temperature, affecting ecosystems and communities in the United States and around the world. Things that we depend upon and value — water, energy, transportation, wildlife, agriculture, ecosystems, and human health — are experiencing the effects of a changing climate.
water
food
health
environment.
Answer:
Impacts from climate change are happening now. These impacts extend well beyond an increase in temperature, affecting ecosystems and communities in the United States and around the world. Things that we depend upon and value — water, energy, transportation, wildlife, agriculture, ecosystems, and human health — are experiencing the effects of a changing climate.
water
food
health
environment.
Explanation:
credit- the person above
How is proper science validated?
Answer:
by experimental repeatability, which enables to demonstrate the accuracy and reliability of the scientific study.
Explanation:
Scientific ideas and theories are used to explain observations and phenomena from the real world. Scientific validation comes by acceptance of the scientific community, which is generally achieved by scientific publications in well-reputed peer-reviewed journals. In order to be validated, these explanations must be repeatedly tested by using the scientific method, thereby proving the effectiveness of the proposed research method used to obtain information.
A habitat is:
A Interactions between species
B Resources in an ecosystem
C Where a species lives
D Nonliving things
Answer:
where species lives like water are the natural habitat of fish
Name one part only human cells have
The component that is specific to the human cells is the genetic material.(46 chromosomes)
HELP QUICK!!!
Carbon cycle contains an important stage called Carbon fixation. This
stage - Carbon fixation changes carbon dioxide into organic compounds
such as glucose. Which of the following organisms cannot fix carbon? *
algae
maple trees
mushrooms
grass
Answer:
Mushrooms
Explanation:
Carbon fixation is the process by which inorganic carbon is converted to organic compounds by living organisms. This type of carbon can be found in carbon dioxide.
Carbon dioxide is necessary for the survival of many organisms. Organisms that possess the pigment called chlorophyll perform photosynthesis. In this process, with the help of sunlight, they transform carbon dioxide, water, and minerals from the soil into oxygen, which is released into the atmosphere, and glucose, which they feed on. Organisms that possess chlorophyll are most plants and some protists and bacteria.
Algae, maple trees, and grass are all examples of organisms that perform photosynthesis, which means that they fix carbon.
Mushrooms can't do this as they are fungi, and fungi are not capable of photosynthesis.
i) Predict which of the liquids would cause the largest decrease in mass of a potato stick
PLS HELP ME I’ll GIVE YOU 15 POINTS OR BRAINIEST
Answer:
1.0 mole per dm3 sodium chloride solution
Explanation:
The more the molarity of a solution, the lower the water potential of the solution, and the higher the amount of water that will osmotically move from the potato stick to the solution when placed in it in order for an equilibrium to be established.
Hence, the 1.0 mole per dm3 sodium chloride solution will cause the largest decrease in the mass of the potato stick when compared to the 0.5 and 0.1 mole per dm3 sodium chloride solutions.
just a simple multiple-choice question. Its timed pls help
Answer:
Its B, specificity
Explanation:
What are the codons for lysine?
Answer:
AAA, AAG
Explanation:
hope it helps..
( I search it)
Answer:
arginine
GCA, GCG, GCT, GCC
TCT, TCC
CGU, CGC, CGA, CGG
AGA, AGG
GCA, GCG, GCU, GCC
UCU, UCC
asparagine
TTA, TTG
AAU, AAC
UUA, UUG
aspartate
CTA, CTG
GAU, GAC
CUA, CUG
cysteine
ACA, ACG
UGU, UGC
ACA, ACG
glutamate
CTT, CTC
GAA, GAG
CUU, CUC
glutamine
GTT, GTC
CAA, CAG
GUU, GUC
glycine
CCA, CCG, CCT, CCC
GGU, GGC, GGA, GGG
CCA, CCG, CCU, CCC
histidine
GTA, GTG
CAU, CAC
GUA, GUG
isoleucine
TAA, TAG, TAT
AUU, AUC, AUA
UAA, UAG, UAU
leucine
AAT, AAC, GAA, GAG
GAT, GAC
UUA, UUG, CUU, CUC
CUA, CUG
AAU, AAC, GAA, GAG
GAU, GAC
lysine
TTT, TTC
AAA, AAG
UUU, UUC
methionine
TAC
AUG
UAC
phenylalanine
AAA, AAG
UUU, UUC
AAA, AAG
proline
GGA, GGG, GGT, GGC
CCU, CCC, CCA, CCG
GGA, GGG, GGU, GGC
serine
AGA, AGG, AGT, AGC
TCA, TCG
UCU, UCC, UCA, UCG
AGU, AGC
AGA, AGG, AGU, AGC
UCA, UCG
stop
ATT, ATC, ACT
UAA, UAG, UGA
AUU, AUC, ACU
threonine
TGA, TGG, TGT, TGC
ACU, ACC, ACA, ACG
UGA, UGG, UGU, UGC
tryptophan
ACC
UGG
ACC
tyrosine
ATA, ATG
UAU, UAC
AUA, AUG
valine
CAA, CAG, CAT, CAC
GUU, GUC, GUA, GUG
CAA
David tests a small amount of new drug developed at a laboratory to make sure it meets the Food and Drug Administration standards. What is most likely David's occupation?
Answer:
Quality Control
Explanation:
The most likely occupation of David would be quality control.
The quality control unit is a section of a company that ensures that products or services produced by the company meet some specific standards as required by authorities. Quality control officers randomly test produced batches of goods to ensure that the required standards are met.
In the illustration, the body overseeing the standards of drugs is the Food and Drug Administration and the work of David is to ensure that the drugs produced meet the required standards set by the body. He is a quality control officer.
The attraction of one water molecule for another is known as
A.adhesion
B.cohesion
C.none of these
D.polarity
What is the name of the process shown?
?
A)
mitosis
B)
meiosis
C) glycolysis
D) genetic mapping
Answer:
D hope this can help
Which is generally true of all terrestrial biomes?
Answer: they're based on land
Explanation:
What are the functions of carbohydrates? Select all that apply.
A Storing energy
UB Storing information
C Structural support
D Intercellular signaling
OE Building proteins
OF Aiding in digestion
The functions of Carbonhydrates include :
Storing energyStoring energyBuilding proteinsCarbonhydrates refers to a one of the six classes of nutrients which can be derived from food. They are common in food containing Starch including rice, corn and so on.
Carbonhydrates main function is to provide the body with energy. Other functions include sparing the use of proteins and the breakdown of fat and the regulation of body glucose.
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A new microbe has been discovered in the rumen of sheep. Microscopy shows no evidence of a nuclear membrane and biochemical studies of the cell wall demonstrate the lack of peptidoglycan. Metabolic studies show that this microbe generates methane. This microbe would most likely be classified in ______.
Since it has no nucleus it's most likely a prokaryote
A new microbe discovered in the rumen of sheep that generates methane, shows no evidence of a nuclear membrane, and biochemical studies demonstrate the lack of peptidoglycan. Such type of microbes is likely to be classified in Archaea.
Archaea is a group of single-celled microorganisms that were first discovered in 1977. Archaea are similar to bacteria and eukaryotes, but they are unique in that they thrive in harsh environmental conditions like extreme heat, high salt levels, and acid environments.
Some archaea can also generate methane gas, similar to the microbe in the given description. Hence, the given microbe that generates methane, shows no evidence of a nuclear membrane, and biochemical studies demonstrate the lack of peptidoglycan would most likely be classified in Archaea.
Learn more about Archaea:
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Most of the rock material that we see on a daily basis falls into which category of rocks?
A
Sedimentary
B
Magma/Lava
c
Metamorphic
D
Igneous
Answer:
Your answer is A) Sedimentary. The rocks and pebbles you see on a daily basis are most likely limestone, which is an abundant sedimentary rock.
1 point
behaviors are described as genetically “programmed" or
"automatic" responses to stimuli.*
innate behavior
learned behavior
social behavior
O
flocking
Answer:not so goodly and smart
Explanation:
Differential heating of the Earth's atmosphere is driven by energy from the
A.the earth's inner core
B.the sun
C.convection currents in the mantle
Answer:
B. the sun
Explanation:
the sun's ray are hot the closer they get to earth, it gets less warmer
Answer:
B
Hope I helped
What organic molecules have the function of being part of cell membranes?
Answer:
Cholesterol and steroid hormones. Cholesterol, an important component of cell membranes, is an amphipathic molecule because of its polar hydroxyl group. Cholesterol is also a precursor to the steroid hormones, such as testosterone and estradiol
Explanation:
What is weight measured in
A grams
B Kilograms
C Metric Tons
D pounds
Concept: Unit Representation
You have weight which is commonly represented in SI units of KG In the US metrical units are poundsYour answer depends on which metric you are referring to.1. Animals can face many problems caused by light pollution. Which is NOT one of these
problems?
a. Increased predation
b. Decreased amount of food
c. Disorientation
d. Disrupted breeding times
Answer:
Light pollution does not affect predation levels, so the correct answer is A
Explanation:
Increase predation is one of them which is not affected by Light pollution.
What is light pollution?Artificial illumination that is undesirable, improper, or excessive is referred to as light pollution.Light pollution, also known as artificial light at night, is the excessive or inefficient use of artificial outdoor light that disturbs wildlife's normal routines, adds to the buildup of carbon dioxide (CO2) in the atmosphere, interrupts human sleep, and obscures the night sky's stars.What is predation?One creature kills and eats another in predation. Predation offers energy to the creature that kills, the predator, in order to prolong its life and encourage reproduction at the expense of the organism that is eaten, the prey. Predation has an ecological impact on species on two levels.Hence, the correct option is A.
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Which statement summarizes the law of segregation?
Gametes are passed in pairs, groups, or sets.
Traits that are dominant mask traits that are recessive.
Gametes carry one allele for each trait.
Traits are passed independently of one another.
Answer:
C) Gametes carry one allele for each trait.
Explanation:
The Law of segregation states that alleles separate during gamete formation, resulting in two gametes with a single allele each. The correct answer is C) Gametes carry one allele for each trait.
What states the segregation principle?The segregation principle states that there are alleles (dominant and recessive) coding for traits.
These alleles separate -segregate- during gamete formation, giving rise to two types of cells.
The segregation process is random, and each allele separates independently from the other alleles.
Each of the gametes carries only one allele coding for one trait.
The correct answer is C) Gametes carry one allele for each trait.
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describe the effect of magnesium deficiency on the transport of sucrose out of the leaves and the sucrose concentration out of the leaf
Answer:
The impact of diminishing the convergence of magnesium salt on the development of S.polyrhiza is because the low mg accessibility keeps an eye on troublesome sucrose exportation, making leaves hold sucrose three to multiple times more than the leaves of plants that get Mg in satisfactory inventory, showing that the inadequacy of this supplement causes extreme hindrance of sucrose transport.
Explanation:
Can someone help me answer this question?
Answer: C. Hypertonic Solution
Explanation:
Hypertonic is when water leaves the cell.
⚠️⚠️ Based on Leah’s observations , she can conclude that the unknown substance is which of the following ⚠️⚠️
Salt, Base, Water or acid
Answer:
Acid
Explanation:
I hope this helps!!
A particularly long radio wave has a wavelength of 1.5 x 10^9 meters. What is the frequency of this radio wave?
Answer:
0.2Hz
Explanation:
The wavelength of a radiowave can be calculated this;
λ = v/f
Where;
λ = Wavelength (m)
v = speed (m/s)
f = frequency (Hz)
Based on the information provided in this question, λ = 1.5 x 10^9 meters, c = 3 × 10^8m/s, f = ?
Hence, using λ = v/f
f = v/λ
f = 3 × 10^8 ÷ 1.5 x 10^9
f = 2 × 10^(8-9)
f = 2 × 10^-1
f = 0.2Hz
GOOD MORNING, GUYS PLEASE HELP ME WITH THIS - IM PAST THE DUE - ILL MARK U BRAINIEST TOO!!
Answer:
ummmmmm i would love to answer your question but theres no info
Explanation:
Why do cells divide? Select the answer that does NOT apply.
Group of answer choices
to produce new cells during an organism’s growth
to ensure that a cell does not become too large
to replace damaged cells and tissues
to ensure all cells remain undifferentiated
Answer:
To ensure all cells remain undifferentiated.
Explanation:
Cells divide to produce more, replace damages, and ensure a cell does not become to large.
So the only remaining choice is this.
The diversity of organisms ranges from simple prokaryotic cells to complex multicellular organisms A. True B. False
Answer: True
Explanation:
