Please help I am confused between option (b) and (c)
Answer:
option B
Explanation:
the cell is nucelated
All cells in the body have the same genome, with a couple of exceptions. What are these exceptions?
Answer:
red blood cells, which contain no DNA in their mature state, and some immune system cells that rearrange their DNA while producing antibodies
Cell is the basic unit of life and they contain the needed information known as the DNA (genetic material) to carry out the basic life functions and processes.
All cells in the body essentially have the same genome except some red blood cells and some immune cells.
Red blood cells do not contain as DNA as they lack a nucleus so they are an exception to the rule. While some immune cells needs to reassemble their genome in order to aid in the production of antibodies.
Actually, gene expression comes in with this because cells become different as a result of the fact that a cell can decide which gene is to be expressed or not in accordance to its function it is supposed to perform.
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Are humans a dead end host for streptococcus pneumonia? If yes please explain why. Thank you!
Answer:
No, because Pneumonia can be transferred from one person to another.
Explanation:
Because humans are the only natural host for S. pneumoniae, our data suggest that the CbpA-mediated recruitment of complement FH may contribute to host tropism of this pathogen. A person can spread the germs that cause pneumonia when he or she coughs and expels the bacterial or viral infections that caused the disease. The droplets containing the virus or bacteria can land on a common surface, such as a table, telephone, or computer. Anyone can get pneumococcal disease, it occurs more frequently in infants, young children, the elderly or in people with serious medical conditions such as chronic lung, heart or kidney disease. Others at risk include alcoholics, diabetics, people with weakened immune systems and those without a spleen.
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Which type of muscle can get
tired or fatigued?
A. Cardiac
B. Skeletal
C. Smooth
Hurry!
Answer:
B
Explanation:
The answer is skeletal. The energy consumption of skeletal muscle cells may increase up to 100-fold when going from rest to high-intensity exercise.
Which of the following is part of the cryosphere?
A. The ocean
B. Wetlands
C. Permafrost
D. Aquifers
Answer:
C can be the answer but I am not really sure
Answer:
C C C it is Permafrost is it
Explanation:
PLZZ trust me ;)
What do all living things have in common? All have cells with a nucleus. All have a genetic code. All are made of two or more cells. All can perform photosynthesis.
Living beings are organisms that can respire, respond, grow, reproduce, and are made of cells. All living things have a genetic code. Thus, option B is correct.
What is a genetic code?A genetic code is a sequence of proteins and nucleic acids that act as a hereditary molecule that transfers the traits and characteristics to the progeny.
The code can be in the form of DNA or RNA and provides information about the genotype of the organisms that were passed from their ancestors.
The genetic code is in the form of triplets and is a universal system that codes for the same proteins in all organisms. It consists of the nitrogenous bases that through translation make the amino acids.
Therefore, option B. all living organisms have a genetic code.
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How do protons (hydrogen ions) move through
ATP synthase?
Answer:
Protons flow down their concentration gradient into the matrix
Explanation:
The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP. Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyze conversion of ADP to ATP.
What is the purpose of the
respiratory system in the body?
A. provides energy for the body
B. filters air and brings oxygen into the body
C. circulates oxygen to tissues in the body
D. provides structure for the body and protects
important organs
Answer: B
Explanation:
The purpose of the respiratory system in the body is filters air and brings oxygen into the body.
What are the functions of respiratory system?The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism.
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.
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What describes the order in which waste products travel through the urinary system?
Answer:
What is the order that waste travels through the urinary system?
kidneys: two bean-shaped organs that filter waste from the blood and produce urine. ureters: two thin tubes that take pee from the kidney to the bladder. bladder: a sac that holds pee until it's time to go to the bathroom. urethra: the tube that carries urine from the bladder out of the body when you pee.
Crossing-over occurs in prophase of mitosis and meiosis.
True
False
Name two nutrients that plants need.
Answer:
Sunlight and water.
Explanation:
The sun is the plant's most important nutrient. Plants convert sunlight into sugars in order to grow. Water is needed in two ways, it serves as both a solvent for mineral salts that are carried inside plant cells, and it is an essential component of photosynthesis. The questioner might have asked "name one" so they don't have enough information to answer with any greater certainty - but the answer remains the same regardless of how many nutrients they ask about.
Minerals are also required by plants in order to function properly including calcium, potassium, iron, magnesium just to name a few minerals which are found in healthy nutritious produce!
Answer:
sunlight and water
Explanation:
is the two nutrition that plant need
How many calories are found in food that is labeled 20 Calories?
Answer:
20 Calories
Explanation:
If a food product is labeled to contain 20 calories, it likely contains the number of calories. Keep in mind, these labels can be inaccurate.
Precipitation moving from higher to lower elevations on the ground is called___?
Answer:
Evaporation
Explanation:
Evaporation is the process in which percipitation moves higher to lower elavations on the ground. Evaporation is when the sun heats up and dries out the water causing it to rise up to the clouds which then causes rain for another time. ( I am not completely sure)
Hey, I need help with these questions please:
Answer:
D
Explanation:
What is the role of pollen in making new plants?
A
Pollen fertilizes the ovule, which becomes a seed. Seeds become new plants.
B
Pollen makes fruit turn into new plants.
с
Pollen makes it easier to get seeds out of fruit so that they can grow.
D
Pollen is what makes fruit taste good, so animals will eat it and spread seeds.
What is it????
Answer:
I think its D.
Explanation:
Pollination allows plants to improve genetic diversity within their species and, in some cases, plants will cross-pollinate with other flower varieties. This creates a heartier, more genetically diverse plant population and sometimes drives a mutation that results in a new species or hybrid.
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Which statements describe how traits are inherited? Check all that apply.
O An offspring always receives different alleles from each parent.
O An offspring always receives the same alleles from each parent.
O An offspring can receive different alleles or the same alleles from each parent.
O Traits are inherited when proteins are passed from parents to offspring.
O Traits are inherited when genes are passed from parents to offspring.
Answer:
C and e ( The 3rd and the 5th one)
Explanation:
Offspring get everything from parents. One could look like either the parental sex: xx or the parent sex: xy
Or the offspring could look like a mixture of each parental or the parental's parents.
Traits received through bloodline are called genes.
Eukaryotes that are not fungi, animals, or plants are classified in a "catch-all" category called ________. A. archaea B. protists C. bacteria D. seaweeds
Eukaryotes that are not fungi, animals, or plants are called protists
Protists can be described as eukaryotes that are not grouped as fungi, animals or plants. These groups of organisms are so wide that there are lots of organisms that fall under this category.
Protists are tiny group of organisms that can only be seen/viewed with the aid of a strong microscope. Protists only have one type of cell and lots of these organisms are found in an aquatic environment.
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do you think carbon sinks can ever completely reverse global warming, why or why not?
Answer:
Explanation:
Framed in this way, the problem of climate change becomes not one of simply producing greenhouse gas, but how quickly we do so when compared with the Earth’s natural ability to soak it up again. And it makes that natural ability – the continuing capacity of forests and oceans to act as carbon sinks – as significant a factor in deciding the likely course of rising temperatures in the near future as intended controls on our greenhouse gas emissions. Yet many people are unaware of this side of the carbon balancing equation. And if they are, they take it for granted – they expect that forests and oceans and other carbon sinks will continue to act as our environmental get-out-of-jail-free card.
Or, more accurately, our go-to-jail-slightly-slower card. While sinks have managed to grab about half the carbon released as human pollution in recent centuries, the rest steadily accumulates in the atmosphere. The forests and oceans simply can’t suck it in fast enough. At the last count, atmospheric levels of carbon dioxide registered almost 412 parts per million (ppm) and rising. That’s a 47 per cent jump since the beginning of the industrial age, when the concentration was near 280 ppm, and an 11 per cent rise since just 2000, when it was near 370 ppm. Without our natural carbon sinks working to buffer the impact, that figure would probably be closer to 700ppm today.
It makes sense, then, that the future behavior of Earth’s massive carbon sinks – and specifically the question of whether they will continue to bail us out by taking in carbon dioxide – is a key topic of research for scientists. How will tropical forests respond to warmer temperatures? Will ocean currents continue to carry carbon to the depths? What happens to the pace of climate change if the carbon-catching capacity of these sinks weakens?
Names of living things
Answer:
Animals such as rhinos, dolphins, and more.
Explanation:
Answer:
animals, plants, humans and much more.
Explanation:
What is eutrophication ?
Answer:
excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Explanation:
Hope it help
The brain is made of what three parts?
A. cerebellum, vertebrae, spinal cord
B. cerebrum, brain stem, skull
C. cerebrum, cerebellum, brain stem
D. cerebellum, brain stem, spinal cord
Answer:
C. cerebrum, cerebellum, brain stem
Explanation:
The cerebrum is the front part of the brain . it is the largest part of the brain.
cerebellum is the major structure of the brain. cerebellum consists of cortex covering white matterand a ventricle filled with fluid.
brainstem connects the cerebrum with the spinal cord.
Answer: C
Explanation: just trust me bro
Which of the following is true about the sugar molecules in plants
1. The sugar molecules are made by plants
2. The sugar molecules come from the soil
3. The sugar molecules are one of many sources of food for plants
4. The sugar molecules are made from molecules of water and minerals
The sugar molecules are made by plants during photosynthesis.
How sugar molecules in plant are made?Plants are autotrophic in nutrition. During photosynthesis, using water sunlight is converted into energy and sugar molecule like glucose within the plant cells.
Plants store excess glucose in form of starch (polyglucan).
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can you please help?
Answer:
it's b
hope it will help you
What is the only thing recycled during the ATP-ADP cycle? *
О
ADP
ОАТР
O Glucose
Sugar Ring
Which side is hypertonic ? A or B ?
Which side will gain water
What is c ?
Answer:
B IS HYPERTONIC
A WILL RECIEVE MORE
C IS MEDIAN
IS THIS RIGHT IF NOT CAN SOMEONE TELL ME WHAT IS THE RIGHT AWNSER <3
Answer:
No
Explanation:
It mainly happens in the Liver
Answer:
right answer is LIVER
Explanation:
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which of the following food nutrients is needed to build structural components of the body
Answer:
Carbohydrates, fats, vitamins, minerals, fibre, water, and proteins!!!
Explanation:
Proteins. Proteins give your body amino acids — the building blocks that help your body's cells do all of their everyday activities. Proteins help your body build new cells, repair old cells, create hormones and enzymes, and keep your immune system healthy. There are also, carbohydrates, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health.
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What are the 4 steps of protein synthesis?
Answer:
In every eukaryotic cell, such as plants and animals, there is DNA in the nucleus. The nucleus is an area surrounded by a membrane (nuclear membrane) which has some pores for materials to enter and exit, but these are controlled.
The DNA is the cell's instructions, it is a series of code that can be transcribed and translated to make proteins. As in the image below DNA is a series of bases attached to a sugar phosphate backbone and bonded to another base pair to made a ladder, this ladder is twisted making the shaped called a double helix . There are four base pairs: Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).
The bases have bases they bond to making complementary base pairs , A and T bond together while the C and G bond together. on each strand of DNA one end is labelled 5' (read as 5 prime) and other end is the 3'. The 5' end base pairs of one strand are always attached to the 3' end of the complementary strand. Labelling the ends helps us to describe in which direction DNA is read.
Since the DNA cannot leave the nucleus , copies of the section needed to make the protein are made, this is called transcription.
This done by first opening the double helix with an enzyme called DNA Helicase. Another enzyme called RNA polymerase will match new bases to the original DNA attaching them in a long strand of mRNA. When the enzyme reaches the end the strand will be removed and the DNA can close.
In crrying the microscope hold firmly the microscope's arm with one hand and place the other hand under the base for suport
Answer:
whats your question?
Explanation:
Which of the following substances can cause atherosclerosis and should be eliminated from the diet for health reasons?
A. butter
B. olive oil
C. liver, kidney or animal organs
D. avocado, liver and kidney
Answer:
A. butter
Explanation: