Amebas are single-celled organisms that need to obtain food in order to
A. release oxygen into the air
B. protect themselves from other living
things
C. get the energy they need to carry
out life functions
D. remove harmful chemicals from the
environment
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What is the difference between 1 unit of magnitude on the Richter scale?
100 times stronger
1000 times stronger
10 times stronger
1 times stronger
Answer:
10 times stronger
Explanation:
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Select three examples of resistance to antibiotics that is due to an altered cellular target of the drug. Multiple select question. The activity of beta-lactamase Addition of acetyl-CoA to chloramphenicol Alteration of an enzyme involved in folic acid synthesis A change in the structure of 23S rRNA The terminal D-alanine of pentapeptide mutates to D-serine
Answer:
- Alteration of an enzyme involved in folic acid synthesis
- A change in the structure of 23S rRNA
- The terminal D-alanine of pentapeptide mutates to D-serine
Explanation:
Antibiotic resistance is the phenomenon by which microorganisms naturally have, acquire, or develop the ability to defeat the drugs designed to eliminate them. For example, trimethoprim is able to bind with the enzyme dihydrofolate reductase (DHFR) in order to inhibit the folic acid synthesis pathway. Sulfonamides (sulfa drugs) competitively inhibit the incorporation of para-aminobenzoic acid (PABA) into folic acid and thus also prevent the synthesis of folic acid. Ribosomes are organelles where proteins are synthesized. The 23S rRNA is a component of the large subunit (50S) of bacteria and archaea ribosomes. In consequence, it is expected that a modification in the structure of 23S rRNA alters protein synthesis. Finally, vancomycin acts by binding the terminal D-Ala-D-Ala residues of the polymeric lipid-PP-disaccharide-pentapeptides and thus inhibits cell wall synthesis in Gram-positive bacteria. In consequence, it is expected that a mutation at the terminal D-alanine that modifies this sequence alters the vancomycin binding site and thus also confers antibiotic resistance.
Which shows the levels of organizational hierarchy listed from least complex to most complex?
O population, community, ecosystem
O ecosystem, population, community
O community, population, ecosystem
O community, ecosystem, population
Answer:
I think the answer to this question is O population, community, ecosystem.
Population, community, and ecosystem show the levels of organizational hierarchy from least complex to most complex. Therefore, the correct statement is option A.
What is the community consisting of?A community is made up of all the populations of different species that live in the same area and interact with one another. A population is a group of people from the same species who live there.
A biological system remembers every one of the living organic entities for a local area, as well as the actual climate in which they live and connect. In this order, the population is the most un-complex level, as it alludes to a gathering of people of similar species.
Community is more complicated because it involves interactions between multiple species populations. Because it encompasses all living and nonliving components of an area as well as their interactions, the ecosystem level is the most complex.
Therefore, population, community, and ecosystem show the levels of organizational hierarchy from least complex to most complex.
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9
Organelles are structures within the cell that perform important functions. Which of the following correctly matches
organelle with its relationship to the whole cell?
mitochondria - provides the instructions for making proteins
B nucleus - provides protection to the outside of the cell
chloroplasts - trap light energy and change it into food for the cell
cell membrane - changes the energy the cell gets from food into a form the cell can use lo
Answer:
Chloroplasts trap light energy and chnage it into food for the cell
Explanation:
In the chloroplasts is where photosynthesis occurs. Photosynthesis is the process by which plants make their own food by using carbon dioxide water and sunlight. The chlorplast traps the energy from the sunlight and then the reaction between the carbon dioxide and water can occur
which one is not a lip
According to the author, how has the almond tree
monoculture affected honeybees in Central Valley,
California? What evidence is provided to support the
claim?
I
Hello. You did not enter the text to which this question refers, which makes it impossible for it to be answered. However, I will try and help as best I can.
The only way you can answer this question is by reading the text. During this reading, you will notice that there is an element in monoculture that is harming bees, making them have a very difficult life or even die. This element is what is affecting the bees. The author will show why this element is harmful to bees through sentences that prove the effect that this element promotes and how it only exists in monocultures. These sentences will be the text evidence.
It is likely that the author shows how monoculture requires a large use of pesticides, which ends up harming the life of bees. He can also show that monoculture decreases the availability of food for bees, since all monoculture plants only flower once a year and leave the bees without food for the rest of the year, as there is no plant diversity in the monoculture.
Answer:
sample response
Explanation:
Because of the growth of the almond trees, many honeybees have died. Honeybees do not naturally live near the trees so they are transported to the area in order to pollinate the trees. However, the bees are exposed to pesticides that are used on the trees. Many also likely die because the almond trees only bloom in February, so the bees do not have enough food for the rest of the year.
John doe and jane doe want to have children and are thinking about how their children's hands might look. What would their children look like if they're both heterozygous for straight pinky and hitchhikers thumb?
Answer:
The correct answer would be -
Straight pinky, hitchhikers thumb - 9
Straight pinky, straight thumb - 3
bent pinky, hitchhikers thumb - 3
bent pinky, straight thumb - 1
Explanation:
Straight pinky H, hitchhikers thumb P are the dominant traits over the bent pinky h, straight thumb p. It is given that the parent's genotype is heterozygous for both then
Cross: HhPp cross with HhPp
Gametes: HP, Hp, hP, hp for both parents
punnett:
HP Hp hP hp
HP HHPP HHPp HhPP HhPp
Hp HHPp HHpp HhPp Hhpp
hP HhPP HhPp hhPP hhPp
hp HhPp Hhpp hhPp hhpp
Thus, the correct answer would be:
Straight pinky, hitchhikers thumb - 9
Straight pinky, straight thumb - 3
bent pinky, hitchhikers thumb - 3
bent pinky, straight thumb - 1
Please help, correct answers only, will give brainliest.
Answer:
B option
Explanation:
Hope this helps
2.01 Properties of Water Lab Report
50 POINTS FOR WHOEVER ANSWERS CORRECTLY!! <3
If you were to be conducting an experiment on how temperature change affect surface tension what would be the Objective of the experiment, the hypothesis, the variables (Like Independent Variable, Dependent, Variable, Controlled Variable) The materials needed to conduct it, the data and observations collected during the experiment, and the conclusion to your experiment. Also, what would be some real world applications to the importance of the properties of water?
Please make sure to answer all of the questions within this one, for any clarification needed it is basically a lab report on how surface tension is effected by the temperature of water. Please answer and Thank you!
Answer: The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling.
Water has the unique ability to dissolve many polar and ionic substances. This is important to all living things because, as water travels through the water cycle, it takes many valuable nutrients along with it! Water has high heat capacity.
The Objective of the experiment, the hypothesis, the variables Like Independent Variable, Dependent, Variable, Controlled Variable
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How many alleles are in the gene pool?
Answer:
40 b alleles
Explanation:
Only 40 b alleles are present in the gene pool, so genetic diversity is lower. The use of gene pools allows population geneticists to see variation and the influence of natural selection in detail. A single gene may show significantly less genetic variation than the variation within the whole genome of a population
Answer:
17
Explanation:
A- Briefly describe the biotechnology methods that would have been used to produce these results.
B- How are the bands from the jeans and the shirt similar? How are they different?
C- Based on these results, what conclusions might a prosecutor present to a jury during a criminal trial?
Answer:
a. teh use of a electrophoresis machine after the dna has been processed using enzymes would give the bands shown on the gel
b.the bands from teh jeans and shirt show that the shirt was made from materials taht include teh material the jeans were made from
c. a prosecutor may conclude to the jury that the defendant had blood only on their shirt
Which is an example of why the process of photosynthesis is important to life on Earth?- - Grass uses photosynthesis to produce glucose, which is used within the grass for growth.
- Fungi use photosynthesis to decompose dead and decaying plant matter.
- Ectothermic animals use photosynthesis to convert sunlight into energy for cell functions.
- Green plants use photosynthesis to remove oxygen gas from the atmosphere and replenish the earth’s carbon dioxide.
Answer:
The correct answer is: A) Grass uses photosynthesis to produce glucose, which is used within the grass for growth.
Explanation:
Photosynthesis is the process by which green plants, which include algae, take in the energy from the sun and combines it with carbon dioxide (and water) to form benificial sugars.
Photosynthesis refers to the process by which the green plants, as well as algae, utilize the energy from the sun in combination with the carbon dioxide as well as water to form simple sugars. This is how the harmful gas carbion dioxide can be destroyed and elimanated.
Answer:
The answer is A
Explanation:
EA SPORTS ITS IN THE EDGE
how did adaptive radiation affect plants after they first moved to land
Explanation:
it gradually stops seed growth and sprouting depending on how much radiation is released.If there is too much evaporation due to intense radiation,the stomata closes to reserve water and if the stomata is unable to open for a long period of time the growth of the plant is stunted.Which of the following is NOT essential for protein synthesis? *
ribosomes
tRNA
mRNA
carbohydrates
Answer:
carbohydrates
Explanation:
During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction?
carbon
Answer:
During reduction, 3-PGA reacts with ATP and NADPH. What does ATP contribute to the reaction? ... The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH and CO2. In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen.
Explanation:
correct me if I'm wrong
carry on learning!;)
hi so i just received a death threat from +592 6034153,can someone pls help me find the identity of this person and pls put a pic of the person.
Answer:
below
Explanation:
you can report this to the cops or a older authority. Posting a picture is a form of doxxing and can be illegal or a form of witchhunting.
1. Digestion helps to break down the food into simple, _______ form.
2. Name the process by which absorbed nutrients are utilized by the body?
3. Where does initial digestion of protein take place?
4. Where is the water absorbed from undigested food in the digestive system? 5. Name one animal that lives on liquid food only.
6. The process of taking in food into the human body is called ingestion. (True/False)
7. The alimentary canal stretches from _____ to _____.
8. What is rumen?
9. Which animals are called ruminant?
10.What is holozoic nutrition?
Answer:
1. Digestion helps to break down the food into simple, soluble form.
2. Name the process by which absorbed nutrients are utilized by the body?
Ans. Assimilation is the process by which absorbed nutrients are utilized by the body.
3. Where does initial digestion of protein take place?
Ans. Mechanical digestion of protein begins in the mouth and continues in the stomach and small intestine. Chemical digestion of protein begins in the stomach and ends in the small intestine. The body recycles amino acids to make more proteins.
4. Where is the water absorbed from undigested food in the digestive system?
Ans. Water from the undigested food is absorbed mainly in the large intestine.
5. Name one animal that lives on liquid food only.
Ans. Mosquito lives on liquid food only. They rely on human blood for their food.
6. The process of taking in food into the human body is called ingestion.
Ans. True.
7. The alimentary canal stretches from mouth to anus.
8. What is rumen?
Ans. Rumen is the largest compartment of the stomach of a ruminant in which cellulose is broken down by the action of symbiotic microorganisms. The primary function of the rumen is as a storage compartment to facilitate microbial (bacterial and protozoal) fermentation of ingesta.
9. Which animals are called ruminant?
Ans. Ruminants include cattle, sheep, goats, buffalo, deer, elk, giraffes and camels. These animals all have a digestive system that is uniquely different from our own. Instead of one compartment to the stomach, they have four. Of the four compartments, the rumen is the largest section and the main digestive centre.
10.What is holozoic nutrition?
Ans. Holozoic nutrition is a method of nutrition that involves the ingestion of some complex organic substances that may be in the solid or the liquid state.
Select the correct answer.
Sea anemones are predatory Invertebrates with stinging tentacles that can paralyze many sea animals. The clownfish Is Immune to the sting of
the sea anemone and actually lives among its tentacles. The relationship is mutually beneficlal-the clownfish often lures meat-eating animals
over to the anemone, and the anemone beneflts from the meal. The clownfish often gets to eat
leftovers from the anemone's meal.
When the clown fish Is ready to lay eggs, It lays them near a sea anemone. How's this a reproductive strategy?
O A. The sea anemone protects the clownfish's eggs from predators.
O B. The sea anemone fertilizes the clownfish's eggs.
O C. The sea anemone provides nourishment for the clownfish's eggs.
O D. The sea anemone uses the clownfish's eggs to lure prey.
O E. The sea anemone lets the clownfish rest on it.
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Answer:
d
Explanation:
Why would it be important to understand what controls the number and types
Prior to the 1960s, what did people think controlled the number of herbivores in a food web?
What conclusion did Paine arrive at after seven years?
What does he mean by his claim that some species are more equal than others? PLEASEE ANSWER
Because they are of not de same character and specie
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help mee guy to complete this please please please please please
Question doesn't see clearly than how to help
PLEASE HELP ME! 10 POINTS+BRAINLIEST
Answer:nobel gaeses are found in the group 18 of the periodic table
Explanation:
Answer:
Noble Gases are found in Group 8 of the Periodic Table
Explanation:
Draining wetlands for housing is a form of stewardship.
- True
- False
What does deforestation mean?
Answer:
cutting down trees over a large area
Which of these is an example of a chemical change?
A. Breaking a tree branch
B. Burning a piece of wood
C. Melting ice
D. Dissolving salt in water
SMIT
DNA replication and DNA synthesis are the same process.
Group of answer choices
True
False
what havoc would be caused if a horse was suddenly at the top of the food chain
that would be.... immensely chaotic
Which definition is the best for semipermeable membrane?
"The real answer is It is a barrier with tiny openings that let some, but not all, materials pass through"
Answer:
Semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
Explanation:
The real answer is It is a barrier with tiny openings that let some, but not all, materials pass through.
Identify the structure shown below, describe it in detail. Make sure to include following points.
1. Name of the structure.
2. Nitrogen base pairing.
3. Its role in an organisms body.
Explanation:
1. DNA double helix
2. adenine and thymine cytosine and guanine
3. To contain genetic materials
