Answer:
Positive (inducible)
Explanation:
Increased levels of CSP induce the receptor to stimulate transcriptional activator functions, which allow gene expression to occur similar to what happens in positive inducible.
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Two ecosystems are compared in terms of population size and species diversity. One ecosystem has a large number of individuals but low species diversity, while the other ecosystem has fewer individuals but greater species diversity due to high mutation rates. Which of the following statements best describes how these two ecosystems would respond to an environmental stress such as drought?
The ecosystem with greater diversity is less dependent upon resources and would suffer less from the drought.
The ecosystem with greater diversity is more stable and would, therefore, be more likely to withstand the drought.
The ecosystem with more individuals is less likely to suffer because it is more productive and, therefore, more stable.
The ecosystem with more individuals is more likely to have members that are drought-resistant and will survive and reproduce.
Answer: I had the same problem in one of my exams. I think the answer is "the ecosystems with greater diversity is more stable and would, therefore, be more likely to withstand the drought.
Explanation:
I chose this because it seems like the most logical explanation.
"The ecosystems with greater diversity is more stable and would, therefore, be more likely to withstand the drought. Thus, option B is correct.
What is biodiversity?Biodiversity is considered as the variety of living things found in the various habitats, such as terrestrial, marine, and desert ones, as well as the ecological groups to which they belong.
The variety of the creatures present in an ecosystem, as well as their relative abundances, is referred to as biodiversity. It also depicts the various stages of organism organization.
In ecosystem there are thirteen different grass species present and in ecosystem Y 1 species of grass present, that is, ecosystem X has a greater amount of biodiversity. So, during the drought, the bison in ecosystem X are better able to survive.
Therefore, "The ecosystems with greater diversity is more stable and would, therefore, be more likely to withstand the drought. Thus, option B is correct.
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Soil erosion can increase when humans remove trees and other vegetation from an area. What
is this process called?
A. decomposition
B. conservation
Of the four points shown on the diagram, deposition is greatest at points
Answer: I would say B and C.
Explination: Deposition is material deposited in a new spot. On points B and C, it appears the residue from the water would end up on those river banks.
Please help me im stuck on this question!!! Please hurry !!
Answer:
one of the smallest stars
Explanation:
there are trillions of stars and most of them are millions of times the size of our sun
What nitrogen base pairs with Adenine?
Answer:
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation:
Answer:
Thymine.
Explanation:
The best way to remember these nitrogen base pairings is by using a common acronym. Think Apple Tree and Car Garage. Apple represents Adenine and Tree represents Thymine. Car represents Cytosine, and Garage stands for Guanine. This memory trick can help remember the nitrogen base pairs.
The following is a growth curve of bacteria. What type of growth curve is pictured? A) linear growth B) logistic growth C) exponential growth
Answer:
C) exponential growth
In the given figure, exponential growth curve is pictured.
What is exponential growth?It is the pattern of data, which demonstrates greater enhancements with passing time, giving rise to a curve of an exponential function. During the growth cycle of bacteria, the cells of bacteria goes through different phases, that is:
Lag phaseExponential phaseStationary phaseDeath phaseIn the case of bacteria, the cells enter the log or the exponential phase after the lag phase. This is the time when the cells get differentiate by the process of binary fission and double in numbers after each generation time.
In this pattern of growth, the metabolic activity is high as RNA, DNA, the components of the cell wall, and other substances essential for growth are generated for differentiation.
Thus, the pattern of growth demonstrated in the given figure is exponential growth.
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What is the relationship between DNA mutations and the disorders? Disorders:Hemophila,Beta thalassemia, and Sickle Cell Disease
Answer:
disorders are caused by mutations of these genes
Explanation:
A student is looking for evidence that spindle fibers are separating
chromosomes during cell division. Which cell is the student looking for
below?*
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Which would a chemoautotroph use to produce energy?
Please help me if you know the answer please
In which of the following organisms did photosynthesis most likely first
evolve?
A. Algae
B. Prokaryotes
C. Plants
D. C4 plants
The following organisms did photosynthesis most likely first evolve - B. Prokaryotes
Sufficient evidence indicates that eukaryotic photosynthesis originated from endosymbiosis of cyanobacterial-like organisms
ultimately these prokaryotes became chloroplasts in eukaryotic cells.So the evolutionary origin of photosynthesis is to be found in the bacterial domain.The geological record indicates that this transforming event took place early in Earth's history, at least 2450–2320 million years agoThus, The following organisms did photosynthesis most likely first evolve - B. Prokaryotes
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amino acid is to protein as _____ is to dna
What two diseases have been studied together that provide evidence of evolution in
humans?
A)malaria and ebola
B)sickle cell anemia and malaria
C)cytochrome c disease and plasmodium fever
D)iron-deficient anemia and yellow fever
Answer:
sickle cell anemia and malaria
Explanation:
Scientists believe the sickle cell gene appeared and disappeared in the population several times, but became permanently established after a particularly vicious form of malaria jumped from animals to humans in Asia, the Middle East, and Africa.
The two diseases have been studied together that provide evidence of evolution in humans is sickle cell anemia and malaria.
What is sickle cell mutation?
The sickle cell mutation is relevant to malaria because infection of a red blood cell with the malaria parasite leads to hypoxia. In individuals of the AS genotype such blood cells sickle and are then eliminated by macrophage cells of the body’s immune system, lessening the burden of infection (Luzzatto, 2012). Carriers of the sickle cell trait are particularly resistant to severe malarial episodes; they are less resistant to mild cases. The mechanism by which carriers are protected from malaria is different than the acquired immunity that both AA and AS individuals achieve following repeated exposure to the disease.
The benefit that possessing a single copy of the sickle cell gene conveys counterbalances the biological cost incurred when homozygous SS children are stricken with sickle cell disease. An individual of the AS genotype is more likely to reach adulthood than is an individual of the AA genotype, but the former is also more likely to see his/her child die of sickle cell disease. This is known as a heterozygote advantage or balanced polymorphism. As shown more formally below, the stronger is the pressure of malaria on survival, the more advantaged are individuals who carry the S gene, and in equilibrium, the higher the percentage of the population who will be carriers. Indeed, it was the correlation of high prevalence of the sickle cell gene and the presence of malaria that first led scientists to understand the protective role of the sickle cell mutation (Kwaitkowski, 2005). As will be seen in the next section, the underlying genetic mechanism by which the sickle cell trait is transmitted provides a means of mapping sickle cell prevalence into an estimate of the mortality burden of malaria.
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PLEASE HELP MEEEEE YOU WILL GET THE BRAINELIST
PLEASE WRITE A SUMMARY ABOUT THE LAW OF UNIVERSAL GRAVITATION
Answer:
When NASA sends rockets into space, they have to contend with a lot more than just astronaut training, fuel loads, and an overall mission objective. The astrophysicists who plan space travel must also contend with fundamental laws of physics. Chief among these is Sir Isaac Newton’s law of universal gravitation.
Explanation:
Various factors influences the fluidity of the phospholipid bilayer of the cell membrane. If we were to chart the composition of cell
membranes in organisms as we move north from the equator to higher latitudes around the Arctic circle, we would expect to find
phospholipids with
A)
fewer hydrophilic heads.
B)
fewer interspersed cholesterol molecules.
both saturated and unsaturated fatty acid tails.
D
an increase in the length of the fatty acid tails.
Answer:
D
an increase in the length of the fatty acid tails.
Explanation:
As average annual temperatures decrease, we would expect to find phospholipids within the cell membranes of organisms to have both saturated
and unsaturated fatty acid tails. Saturated fatty acids tails are arranged linearly, in a way that maximizes interactions between the tails and
decreases bilayer fluidity. Unsaturated fatty acids, on the other hand, have more distance between the tails, fewer intermolecular interactions and
more membrane fluidity. Longer tails and decreased cholesterol also decrease fluidity
Inside
Outside
0
10
20.30
50
60
30
80
90 100
Time
(minūtes)
Change in
mass 19
6
0
3
2
9
33:
39
N
1.5.1
(10)
Plot a line graph of these results.
List TW nyimnmental factors that sould have caused the greater change
12
Answer:
The North produced 17 times more cotton and woolen textiles than the South, 30 times more leather goods, 20 times more pig iron, and 32 times more firearms. The North produced 3,200 firearms to every 100 produced in the south
The North produced 17 times more cotton and woolen textiles than the South, 30 times more leather goods, 20 times more pig iron, and 32 times more firearms. The North produced 3,200 firearms to every 100 produced in the south
which symptom is not included in the diagnosis of water intoxication?
Hyponatremia
Loss of electrolytes
Confusion
Cell shrinkage
Help me please !!! :)
Answer:
they both have oxygen in the atmosphere
Explanation:
Which of the following is a function of the lymphatic system?
a.
filters blood
c.
produces red blood cells
b.
absorbs nutrients
d.
produces bone marrow
Please select the best answer from the choices provided
A
B
C
D
Which system includes all life on Earth?
A biosphere
B cryosphere
C geosphere
D hydrosphere
Answer:
Biosphere
Explanation:
contain all the planets living things
Distinguish between apocarpous and syncarpous
Which would be true of sexual reproduction?
a
increases survival rate
b
involves one parent
c
increases genetic diversity
d
produces identical offspring
Answer:
c increases genetic diversity
Explanation:
Answer:
C. increases genetic diversity
Explanation:
First, by process of elimination: sexual production doesn't necessarily increase survival rate, it can, but not always. Sexual reproduction involves two parents, so b is wrong. And sexual reproduction doesn't produce identical offspring, because it's mixing the genes from both parents, do d is wrong. That only leaves c, with two parents, the gene pool is always expanding, and with less chance of mutation
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How does gas exchange occur in plants?
Plants obtain the gases they need through their leaves. They require oxygen for respiration and carbon dioxide for photosynthesis.
Explanation:
The gases diffuse between the cells spaces of the leaf through pores, which are normally on the underside of the leaf - stomata. From these spaces they will diffuse into the cells that require them.
The hypothesis would not have been supported
by the data if...
A. traits independently assorted in
approximately a 9:3:3:1 ratio.
B. the traits for white fur and red eyes were
always inherited together.
C. all the F1 offspring had the same phenotype.
Answer: B
the traits for white fur and red eyes were always inherited together.
Explanation:
The hypothesis would not have been supported by the data if the traits for white fur and red eyes were always inherited together by the law of independent Assortment.
What is law of independent Assortment?The law of independent assortment selects alleles of two extra genes into gametes independently of each other.The allele acquired for one gene is unrelated to the allele obtained for another.Mendel's experiment constantly shown that the progeny's distinctive combinations are always unique from their parents'.He formulated the Law of Independent Assortment on this premise.So we can conclude that as the qualities for white fur and red eyes are not usually inherited together, we may deduce that the two features are regulated by distinct genes and are independently shown in the person, as stated by the law of independent Assortment.
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is mars Held in orbit by the gravitational pull of a planet
Answer:
No
Explanation:
Mars orbits the Sun, a star. The Sun's gravity keeps Mars in orbit, not a planet.
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A bird flies by moving its wings up and down. Which two systems are most directly responsible for the movement of a bird's wings?
A bird flies by moving its wings up and down. Which two systems are most directly responsible for the movement of a bird's wings?
A.
respiratory and muscular systems
B.
skeletal and digestive systems
C.
respiratory and digestive systems
D.
skeletal and muscular systems
Answer:
D
Explanation:
skeletal and muscular systems
As the territory of Africanized bees continues to expand, what is the most likely outcome?
Answer:
Competition among nectar- and pollen-feeding invertebrate pollinators and resource partitioning are affected by introduced Africanized Honey Bees. When Africanized Honey Bees compete with other species of honey bees for flowers, the Africanized bees may displace the other bees from the food sources.
(8.9B) A student made a chart to classify plates by the types of boundaries. What crustal
feature is most likely found between the South American and African plates? *
A Folded mountain
B Ocean trench
C Mid-ocean ridge
D Fault
Answer:
folded mountain
hope it will help you
The crustal feature is most likely found between the South American and African plates is folded mountain. The correct option is A.
What is folded mountain?When two or more of the tectonic plates of Earth are forced together, fold mountains are formed.
Rocks and debris are bent and folded into rocky outcrops, hills, mountains, and entire mountain ranges at these interacting, compressing limits. Orogeny, a process, is what produces fold mountains.
While having a narrower width than their length, fold mountains are very long.
Concave and convex slopes are typically present on opposite sides of fold mountains. Most fold mountains are located on the edges of continents that face the ocean.
A student created a chart to categorize plates according to the different boundary types. The folded mountain is most likely the crustal feature that lies between the South American and African plates.
Thus, the correct option is A.
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Which organisms does the rabbit eat ?
Answer:
Plants /producers
Explanation:
Hope this helps and have a great day!!!!
Answer:
plants,broccoli,Brussels sprouts,seeds,roots etc.
Explanation:
I hope it will help u