Answer:
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In eukaryotes, all the reactions of photosynthesis occur in various membranes and compartments of the chloroplast.
a. True
b. False
Answer:
The correct answer is - a. true.
Explanation:
The chloroplast is surrounded by inner and outer membranes. These membranes help in separating the inner compartments and structures from the cytosol Inside the chloroplast. These various membranes and compartments play various roles during photosynthesis.
For instance;
a) stroma- the Calvin cycle takes place in the stroma
b) thylakoid membrane - the light reactions takes place here
c) envelope membranes- the inner and outer membranes of the chloroplast
Describe how plants and animals each contribute to the survival of the other. (This type of cooperative relationship is called interdependence.)
Answer:
Plants produce oxygen which is used by animals in the process of cellular respiration, while animals produce carbon dioxide which is required for plants to make the photosynthesis process
Explanation:
In biology, interdependence can be defined as a mutual dependence relationship among two (or more) taxonomic groups. Animals and plants are cooperatively interdependent because they mutually need each other for different essential aspects of life such as food, respiration, refuge, protection, propagation, etc. For example, plants produce oxygen which is used by animals for cellular respiration (obtaining energy from this process), since most animals are aerobic organisms. Similarly, animals release carbon dioxide (CO2) when they breathe out, and CO2 is used by plants to perform photosynthesis (i.e., to produce energy and carbohydrates from this process).
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Which of the following is the most efficient food
chain in the food web shown in Figure 3-4?
Plants , insect, lizard, snake,
hawk
Plants, quail, coyote
Plants, Quail, Mountain Lion
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Despite the fact that the various protists observed in this exercise belong to different
eukaryotic lineages, what makes them all "plantlike" in nature?
Complete question: This can be seen in the attached file below. It's contains the various protists observed in the exercise.
Answer: For a eukaryotic organism to possess a plantlike characteristics shows its ability to manufacture its own food through the process of photosynthesis.
Explanation:
Protists are single- celled or unicellular organisms. They are made up of eucaryotic cells in which the cell structure is complex with a well - defined nucleus. Typical example if protists includes the following:
--> Volvox
--> Spirogyra
--> Euglena
--> Diatoms
--> chlamydomonas
Some protists are said to be plant like and are known as protophyta. Example of such includes Euglena, Spirogyra and chlamydomonas. This is because they have organelles called chloroplasts. This contains chlorophyll which enables them to make their own food through the process of photosynthesis. Photosynthesis is the process by which energy for sunlight is converted to high energy containing organic compounds such as glucose.
if a gene is made up of 20% adenine, how much thymine, guanine, and cytosine will there be
Explanation:
You have 20% of adenine. If you have 20% of adenine than you have 20% of thymine, because the amount of adenine and thymine is equal. 20% plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%. Then divide this by 2 and you will get 30%. 30% of guanine and 30% of cytosine, because their amounts are equal in the DNA stand.
Given an unusual cell with an intracellular fluid containing 10 mM calcium and an extracellular fluid containing 1 mM calcium. If the cell membrane is permeable only to calcium ions, what is the voltage across the membrane? Assume that the system is at equilibrium and at body temperature.
Answer:
The correct answer is: -31 mV
Explanation:
Given:
Intracellular fluid concentration = 10 mM
Exracellular fluid concentration = 1 mM
temperature = 237+37 = 310 k
Z = 2
F= 96500 C mol-^1
R = 8.314 J MOL-^1K-^1
Formula -
Ex = (RT/ZF) ln ([x]out/[x]in)
= [tex]\frac{8.314*310*2.303}{2*96500} log 10 \frac{1mM}{10mM}[/tex]
= -0.03075447679*1/10 log 10
= - 31 mV
What type spore is produced by baisidiomycetes, deuteromycota, Zygomycota and ascomycota??
baisidiomycota: basidiospores
ascomycota: axcospores
Deurtermycota: conidia
zygomycota: sporangiospores
I need help in this ASAPPP
Answer:
1. The reduction of coyote population affects the sheep population by increasing sheep due to them not being preyed upon.
2. The grass population would indeed decrease as a result of the sheep population increasing. Due to this being the sheep's source of energy.
HELP ANSWER QUICK!!!!
A scientist examines the legs of two different species. Due to similarities in the bone arrangement, the scientist concludes that the
leg structures of the two species are homologous.
What can the scientist conclude about these species?
ОА.
The two species evolved from a common ancestor.
OB
The two species are evolutionarily unrelated.
O C.
The two species have identical DNA.
O D.
The two species are found in the same ecosystem.
Answer:
A this is the definition of homologous
D would analogous
Explanation:
Which of the following is a primary source?
O Annotated bibliography
O Encyclopedia
O Diary
O Literature review
Answer:
A diary is a primary source
Where does the CO2 come from that is used in the Calvin Cycle?
Answer:
It comes from the atmosphere and more specifically, cellular respiration.
Explanation:
Answer:
Paul and Jennifer university are stadying
Which of the following is the best evidence that supports the rule that only 10% of energy is transferred from one organism to another? (1
There are fewer organisms at the top of the food chain because there is less energy available for life processos
O Ten percent of organisms are fully consumed while others contain some molecules that cannot be digested
Not all organisms at the lower trophic levels will be eaten and die
O Dead organisms and waste are broken down by decomposers and are recycled through the ecosystem
Answer:
I believe the answer is A
Explanation:
There are fewer organisms at the top of the food chain because there is
less energy available for life processes is the best statement that supports
it.
What is Trophic level?This is the position an organism occupies in a food chain. The organisms
are usually fewer while those at the bottom have more organisms present
in the chain.
As food chain moves from bottom to the top, the energy level decreases
which depicts 10% of energy is being transferred from one organism to
another
Read more about Food chain here https://brainly.com/question/19066362
What is Earth's major source of air pollution?
HELP ASSAP PLEASE
Which of the following describes how the pollen must travel in order for pollination to occur?
Question 11 options:
. from the stigma to the anther
from an anther to the style
from an anther to the stigma
from the stigma to the pollen tube
Answer:
ewan the anther to stigma pero dapat stamen to the stigma
Answer:
I believe the answer is "from an anther to the stigma"
Explanation:
Because to be pollinated, pollen must be moved from a stamen to the stigma. When pollen from a plant's stamen is transferred to that same plant's stigma, it is called self-pollination. When pollen from a plant's stamen is transferred to a different plant's stigma, it is called cross-pollination.
The pH scale ranges from ____________ to ____________ and is used to indicate the ____________ of a solution.
Answer:
Acidic, Basic, acidity
Explanation:
The PH scale ranges from acidic to basic and is used to indicate the acidity/alkalinity of a solution.
A normal PH scale ranges from the number 0 to 14. When the PH of a solution ranges from 0 to 7 is said to contains acidic contents in it. If the solution is greater than 7, it is said to be alkaline and when the solution is average(7) it is said to be neutral solution.
Example of an acidic substance/solution is lemon juice, solution that contain alkaline is bleach.
Please see the link below for more information
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what regions of dna are used
Answer:
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what should you be thinking of before designing your research
Answer:
well it depends
Explanation:
you need to use keywords when researching terms or questions and be ready to read.
Salmon live in both fresh water and salt water during their lives. They are born in in fresh water but migrate out to marine waters for most of their life. Eventually, they return to the place they were born in fresh water to spawn. Changing between fresh water and salt water affects the balance of water in their body. Salmon have an internal control system called osmoregulation that restores the balance by negative feedback. This is an example of which characteristic of life
Answer: The question is incomplete because the options are not given. Here are the options gotten from another website.
A. adaptation
B. reproduction and development
C. response to the environment D. energy transformation
E. maintaining homeostasis
The correct option is maintain homeostasis which is C.
Explanation:
This is because salmon posseses adaptive physical characteristics that help it to suitably live both in freshwater and salt water. This is because homeostasis is the ability to resist any change in order to maintain body internal environment and this is a negative loop feedback. Organs of salmon work to control homeostasis but endocrine and nervous system engage more in maintain homeostasis.
The last option is correct.
The following information should be considered:
This is due to the sal-mon possessing adaptive physical characteristics that help it to suitably live both in fresh-water and salt-water. This epresent the ability to resist any salt-water in order to maintain body internal environment.Learn more: https://brainly.com/question/1979431?referrer=searchResults
Within the skeletal system, fat is commonly stored in the
Answer:
marrow
Explanation:
Additionally, the yellow marrow, which is found in the central cavity of long bones along with red marrow, serves as a storage site for fat.
Which of the following is not an example of a protist?
Paramecium
Kelp
Snail
Algae
A snail IS NOT an example of a protist. Protists are unicellular organisms, whereas snails are pluricellular organisms (i.e., snails are animals).
A protist is a broad category of eukaryotic organisms that are not animals, plants, or fungi.
The features of protists include:
Unicellular (i.e., they contain a nucleus)Presence of mitochondria.They can be parasitic microorganisms They prefer aquatic/moist environments.Protists include Protozoa (animal-like heterotrophic organisms), Protophyta (plant-like autotrophic organisms) and Molds (fungi-like organisms).
In conclusion, a snail IS NOT an example of a protist. Protists are unicellular organisms, whereas snails are pluricellular organisms (i.e., snails are animals).
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What causes hurricanes to increase in strength
Answer:
the greater the evaporation rate of warm moist air, the stronger the hurricane will be.
Explanation:
Direction: Determine if the following mixture is a colloid or not. Write
C if colloid and N if it is not. Write your answers in your answer sheet
1. Margarine
2. Mayonnaise
3. Toothpaste
4. Smoke
5. Cough syrup
6. Smog
7. Vinegar
8. Cake
9. Soy sauce and vinegar
10. Soft drinks
Before Going To Solve This Problem let's know about what is Colloids
→ Colloids are heterogeneous mixture in which the size of particles are too small and can't be seen with naked eyes.
→ The particles of colloid can be pass through filter paper.
(1) Margarine
Ans:- Yes, margarine is colloids .
(6) Smoke
Ans:- Yes , Smog is colloids.
(2) Mayonnaise
Ans:- Yes, mayonnaise is colloids.
(7) Vinegar
Ans:- Yes, Vinegar is not colloids.
(3) Toothpaste
Ans:- Yes, Toothpaste is colloids.
(8) Cake
Ans:- Yes, Cake is Colloids
(4) Smoke
Ans:- Yes, Smoke is colloids.
(9) Soy sauce and Vinegar
Ans:- Yes, Soy sauce and Vinegar is colloids.
(5) Cough Syrup
Ans:- No, It is not colloids . It is suspension .
(5) Soft Drink
Ans:- No, it is not colloids .
why do orangutans need so much space?
Answer:
Orangutans are the heaviest tree-dwelling animal
They spend most of their lives swinging through the canopies and need vast stretches of forest to find enough food and mates. Deforestation and hunting are the biggest threats to orangutans.orangutans need so much space because orangutans live in only a few places, and because they are so dependent upon trees, they are particularly susceptible to logging in these areas.Orangutans have large home ranges, which may overlap. Each adult female usually lives in a stable home range of about 3.5 square miles (9 square kilometers). An adult male's territory may be up to 15 square miles (39 square kilometers).
Explanation:
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what is a polypeptide chain?
a. the beginning of a protein
b. the strand of mRNA
c. the strand of tRNA
Answer:
B
Explanation:
the polupeptide chain is from the strand mRNA which makes wate rmolecules digest into polypeptide
General characteristics of cockroach and spider
Answer:
Cockroaches are generalized insects with few special adaptations, and may be among the most primitive living Neopteran insects. They have a relatively small head and a broad, flattened body, and most species are reddish-brown to dark brown. They have large compound eyes, two ocelli, and long, flexible antennae.
Explanation:
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The full set of DNA instructions in a cell is described as
Answer:
a genome
Explanation:
An organism's complete set of DNA is called its genome.
Select all the advantages of a multienzyme complex over a metabolic pathway
A. There is less room for substrates to diffuse away
B. Each enzyme can be activated or inhibited individually
C. The product of one enzyme will serve as the reactant for the next
D. The complex can be regulated as a group
Answer:
Option A, B, C
Explanation:
The major advantages of multienzyme complex over a metabolic pathway is that it do not require individual pathway for each enzyme activation or inhibition. Instead it responds efficiently to the equilibrium changes of substrate supply and demand as compared to that of enzymes.
It tightly regulates the processes and is also faster than that of the metabolic pathway.
Hence, option A, B and C are correct
Breathing heavily after running a race is your body's way of *
a. restarting glycolysis.
b. recharging the electron transport chain.
c. repaying an oxygen debt.
d. making more citric acid.
Answer:
The correct option is C.
repaying an oxygen debt.
Explanation:
This is because while running, humans breath shallowly which could not provide the oxygen requirement for the respiratory system and fit in for blood need.
After running, you tend to breathe heavily because your muscle work very hard , the body use more oxygen and produced more carbondioxide, therefore the lungs and respiratory system must try to provide more oxygen to the blood. sympathetic nerves stimulate respiratory muscles
so as to increase the rate at which we breathe.
the result of a laboratory experiment
Explanation:
A laboratory experiment is an experiment conducted under highly controlled conditions (not necessarily a laboratory), where accurate measurements are possible.
The researcher decides where the experiment will take place, at what time, with which participants, in what circumstances and using a standardized procedure.
I need help on this.
Answer:
Option B is correct answer hope it helps