Answer:
RNA Polymerase
Explanation: General transcription factors position RNA polymerase at the start of a protein-coding sequence and then release the polymerase to transcribe the mRNA. Activators enhance the interaction between RNA polymerase and a particular promoter, encouraging the expression of the gene.
PLEASE HELP ILL GIVE BRAINLIEST
Review
1. Describe the structures of the chloroplast where photosynthesis takes place.
2. What would happen if the stomata of a plant leaf were glued shut? Would that plant
be able to perform photosynthesis? Why or why not?
3. What are the reactants needed to perform photosynthesis? The products?
4. What happens to the products of photosynthesis?
Answer:
In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts. Chloroplasts contain disc-shaped structures called thylakoids, which contain the pigment chlorophyll. Chlorophyll absorbs certain portions of the visible spectrum and captures energy from sunlight.
The plant leaf would not be able to perform photosynthesis. The leaf needs to have its chloroplasts facing the sun, so that they can absorb the sunlight to perform photosynthesis.
During photosynthesis, light energy converts carbon dioxide and water (the reactants) into glucose and oxygen (the products).
During the process of photosynthesis plants break apart the reactants of carbon dioxide and water and recombine them to produce oxygen (O2) and a form of sugar called glucose (C6H12O6). The oxygen will leave the plant through the stomata and enter Earth's atmosphere.Explanation:
.
Which of the following statements about classification of organisms is true?
all of the above
Explanation:
They all fall in the same category of classification it is a trick question.
Which of the following is NOT a
response that the body would have
to a stimuli?
A. physical response
B. chemical response
C. creating a feeling
D. evolving the body
Answer:
c.
Explanation:
Which planet has a dramatic greenhouse effect, no moons and acid in its' clouds? *
Options are
Mercury
Venus
Saturn
Neptune
Answer: venus
Explanation: Venus' thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.
Help me with this please!!
Black fur colour is controlled by a dominant allele, B, and brown fur color by it's recessive allele, b. This characteristic is NOT sex linked. Give the genotypes of the parents and offspring of a cross between a black male and a brown female that produces 1/2 black offspring and 1/2 brown offspring.
Show all steps in working of this problem.
Answer:
What are specialized cells
Bb and bb the genotypes of the parents and offspring of a cross between a black male and a brown female produce 1/2 black offspring and 1/2 brown offspring.
What is the dominant allele?The connection between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent. One allele of a gene, known as the dominant gene, will be expressed if the alleles are different. The impact of the other allele, known as the recessive one, is concealed.
The Cross between parents is Bb x bb
Gametes- B and b
Offsprings- Bb, Bb, bb, bb
The crossing analysis is attached in the image below.
A person needs two copies of a recessive allele, one from each parent, in order for it to result in a recessive phenotype.
Therefore, Bb and bb the genotypes of the parents and offspring of a cross between a black male and a brown female produce 1/2 black offspring and 1/2 brown offspring.
Learn more about the allele, here:
https://brainly.com/question/3591663
#SPJ2
The area of the continental US most likely to have volcanic activity is the ______________
Answer:
Alaska
Explanation:
Alaska has the most active volcanos in America.
Answer:
Aleutian Islands
Explanation:
Help please and are the ones that already answered to are correct ?
Yes, all of your answers are correct except for number 12. Instead I would say a food chain outlines who eats whom but a food web is all of the food chains in an ecosystem.
Primary consumers are basically herbivores, such as squirrels, rabbits, crickets, etc.
Secondary consumers are carnivores/omnivores, animals that eat other animals such as foxes, snakes, and owls.
Higher order consumers are animals that can eat more things, like humans for example, because we eat animals that are bigger than us like cows but we also eat plants.
Omnivores are animals that eat meat and plants, such as humans and mice because according to your food web, mice also eat meat.
I can’t see the picture very well because it’s blurry, but i think the owl eats some kind of animal that looks like a frog and snakes, so if the owl is removed the frog animal thing and snakes would increase.
for the last question, i would say
HELPPP
Which of these is not associated with expiration?
A. high pressure
B. relaxed diaphragm
C. increased volume
both B and C answers
Answer:
(A)
Explanation:
High pressure has nothing to do with expiration(breathing out).
Hope it helps :)
A baby carriage is sitting at the top of a 21 m high hill. It weighs 12 N. It has ________________ energy?
A - kinetic
B - Potential
Answer:
B- Potential
Explanation:
The object has the potential energy to be converted to kinetic energy if it starts to roll down the hill. But right now it has the potential for energy.
what are the five functions of the skeletal system?
Explanation:
protection of internal organsbody support blood cell formation endocrine regulationstorage of mineral and fatCan someone please help me with this asap it would mean a lot
Answer:
Explanation:
minerals cannot be gas or liquids. last one “They can be liquid, solid, or gas. “
Factors affecting transpiration with celery experiment results
Explanation:
factor affecting transpiration are
air movement increase remove water vapour from leaf surface more water the fuel from the leaf.
light intensity increaseincrease the rate of photosynthesis stomata open show that water diffuse out of the leaf
Which mechanism allows lipid-soluble substances to move through the membranes of endothelial cells of capillaries
Answer:
Diffusion.
Explanation:
The mechanism that allows lipid-soluble substances to move through the membranes of endothelial cells of capillaries is simple diffusion.
Simple diffusion is a passive transport mechanism that allows lipid-soluble substances to move across the membranes of endothelial cells in capillaries. This process occurs down a concentration gradient, from an area of higher concentration to an area of lower concentration, without the need for energy expenditure.
The membranes of endothelial cells, which make up the walls of capillaries, are composed of a lipid bilayer. Lipid-soluble substances, such as oxygen, carbon dioxide, steroid hormones, and certain lipid-soluble drugs, can readily diffuse through this lipid bilayer due to their ability to dissolve in and pass through the hydrophobic interior of the membrane.
Unlike lipid-soluble substances, water-soluble substances, such as ions and polar molecules, are unable to passively diffuse through the lipid bilayer. Instead, they rely on specific transport mechanisms such as facilitated diffusion or active transport to cross the endothelial cell membrane.
In the context of capillaries, simple diffusion allows lipid-soluble substances to move from the bloodstream through the endothelial cell membranes and into surrounding tissues or vice versa. This process plays a crucial role in the exchange of gases, nutrients, and waste products between the bloodstream and the tissues.
It is important to note that while simple diffusion allows for the passage of lipid-soluble substances, the movement of these substances can also be influenced by factors such as concentration gradients, molecular size, solubility, and the presence of transport proteins. However, the primary mechanism by which lipid-soluble substances traverse the endothelial cell membranes of capillaries is through simple diffusion.
To learn more about endothelial cells, here
https://brainly.com/question/31857955
#SPJ2
Answer the following for 20 points
The amount of available ______ limits the number of trophic levels in a community. please help!!!
According to Hess’s theory, what might happen if the magma under a mid-ocean ridge cools?
Answer: The plates on either side of the ridge might stop moving.
Explanation:
Answer:
The plates on either side of the ridge might stop moving.
Explanation:
Ellen held a substance that is comprised of elements that have been chemically joined. The substance now has different properties than the elements that were joined to make it. Ellen is most likely holding a
a. compound
b. water molecule
c. single atom
d. mixture
Answer:
I'm going to go with a mixture sorry If this is wrong
Explanation:
The Maine Department of Transportation (DOT) has a fleet of roughly 400 plow trucks that are used to control snow and ice on
approximately 8300 lane miles of Maine's state roads. They usually plan on an average of about 30 treatable events in a winter. This
includes the use of rock salt, salt brine and winter sand, a mix of sand and salt. Salt brine is used on roads and bridges prior to a
storm to delay ice and snow from sticking to the roadway and is also used in plowing to fight the buildup of ice and snow throughout
the storm. Rock salt helps keep roads safe when winter storms hit, reducing winter road accidents, but it can also have negative
effects on plant life and aquatic ecosystems. What is something your community can try to reduce the environmental impact of
salting? Select ALL that apply.
A)
Buy more snow plows and use less salt.
B)
Ban all salt based solutions in the state.
C)
Provide incentives to consumers who install snow tires for increased
traction.
D)
Provide tax incentives to municipalities who will install solar panels that
heat water in pipes embedded in the road.
Wet the pavement before applying brine solutions to help the salt adhere
to the road, cutting back on how much they use.
E)
My community can try to reduce the environmental impact of
salting by:
Provide incentives to consumers who install snow tires for increased traction.Provide tax incentives to municipalities who will install solar panels that heat water in pipes embedded in the road.Wet the pavement before applying brine solutions to help the salt adhere to the road, cutting back on how much they use.This will help to reduce the concentration of salt which flows into water
bodies and save aquatic life present in them.
It will also help to ensure there are no accidents through the usage of snow
tires.
Read more about Snow removal on https://brainly.com/question/20442606
Answer:
C, D, E
Explanation:
It was already there but hard to see.
What are some benefits to using " Wood Framing?"
Answer:
Renewable, Recyclable, Natural. Timber is one of the few natural, renewable building materials. .
Carbon Positive.
Low Energy Production
Health and Wellbeing
Fire Performance
Natural Insulation.
also variety in size and design
what are some non-renewable sources of energy?
~ Thanks!
Answer:
coal, petroleum
Explanation:
they are obtained as dead organic substances fall into swamps and after a long period of time they decay into substances that can be used as fuel after refining process.
Answer:
Non-renewable energy is energy from fossil fuels such as coal, crude oil, natural gas, and uranium.
Explanation:
Which is a part of the process of speciation?
A. Increased gene flow
B. Interbreeding between species
C. Fixing alleles
D. Divergence
According to the research, divergence is a part of the process of speciation.
What is divergence?It is the process of speciation in which two closely related species evolve by changing a common ancestral structure in different ways.
In other words, starting from an ancestral structure, different species evolved by adapting to their environment and their needs.
Therefore, we can conclude that according to the research, divergence is a part of the process of speciation.
Learn more about speciation here: https://brainly.com/question/15858055
#SPJ1
a cell that gains water when it is immersed in a solution is __.
Answer:
by vai osmosis because water moves from areas of low solute concentration to areas of high solute concentration
What are cells made of?
Answer:
All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids.
Explanation:
Summary about DNA , Genes , Traits , Chromosomes. (Explain & let me know about all 4 words. Summarize all these words.) Write about how all 4 things work together.
Answer:
Genes are segments of DNA that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. And a trait is a gene-determined characteristic.
Sickle cell anemia is a monogenic disorder in which the body produces abnormally shaped red blood cells. Sickle cell anemia is inherited in an autosomal recessive pattern. A person who is a carrier for this disease typically do not show signs and symptoms of the condition. Two cousins in Bangladesh got married and had kids without being aware that sickle cell disease runs in their family. Laboratory testing later showed that both partners were carriers for the sickle cell mutation. If this couple decides to have children, What is the chance (probability) that their children will also be carriers of the sickle cell disease?
Answer:
there's a ½ or 50% chance of their children will also be carriers of the sickle cell disease.
Explanation:
let IA = normal and IS =sickle cell
since both parents are carriers so it would be IAIS x IAIS
IAIS x IAIS
1 IAIA, 2 IAIS, 1 ISIS
When HIV, which causes AIDS, invades the body of a person, that person often develops diseases. These diseases are caused by organisms that usually do not harm people who are not infected with HIV. Explain why the organisms are more harmful to people with HIV than to people without HIV
Answer:
the HIV virus most at time kill the organisms of the other disease hence reducing the effectiveness of those diseases
I have a bad grade and need a better grade please help me please ❤️
Dw, I have a bad grade as well <3
As well as absorbing fat-soluble vitamins, rabbits consume fat for energy. Most foods contain 2% to 5% DM fat, which rabbits can get from a vegetable diet.
-ㄚㄩ尺丨
In your own words, what is a trophic cascade?
Answer:
A trophic cascade is a side-effect when a trophic level (species) of the ecosystem is reduced or removed. Their ecological species interactions keep entire ecosystems balanced. Hence, suppressing their numbers or changing their behavior due to predation risk, results in an ecological imbalance or a trophic cascade.
Explanation:
BRAINLIEST PLEASE ;)Answer:
Tropic cascades in an eco-system is when a prey changes its behavior due to the predators attacks, thereby increasing in numbers indirectly for the survival of the predators.
which hormone causes follicles to release their eggs for fertilization
Answer:
Luteinizing hormone (LH), the other reproductive pituitary hormone, aids in egg maturation and provides the hormonal trigger to cause ovulation and the release of eggs from the ovary.
Answer:
Luteinizing hormone
Explanation:
Luteinizing hormone (LH), the other reproductive pituitary hormone, aids in egg maturation and provides the hormonal trigger to cause ovulation and the release of eggs from the ovary
which of the following pairs Is most closely related? a- Tree and ant b- bacterium and tapeworm c- spider and fern d- wolf and cat
The closely related context here refers to the existing similarity used to classify these group of organisms.
Of the pairs, the most closely related is the wolf and cat
They are first and foremost both animals.They are also both vertebratesThey also belong to the same class of mammalsThese similarities makes them more closely related than any of the other following pairs which include a plant and an animal, an invertebrate and a single celled organism, another plant and an invertebrate.
Learn more about mammals: https://brainly.com/question/935140