Organelle which is present in only plant cells are chloroplast, centrioles are present only in animal cells. The organelles present in both cells are ribosomes, nuclei, and mitochondria.
What are organelles?The cell parts are called cell organelles. There are both membrane-bound and non-membrane-bound organelles in these cell organelles, which are found within the cells and have distinct structures and functions. The direction and capability productively for the ordinary working of the cell.
Depending on whether or not they have a membrane, the various organelles that are found within the cell are divided into three groups. The types are double membranes, single membranes, and no membrane organelles.
Therefore, organelles perform biochemical functions.
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Which statement accurately identifies the order of tissues pictures left to right in the microscopic image?
a) Epithelial cells, smooth muscle, connective tissue
b) Connective tissue, epithelial cells, smooth muscle
c) Epithelial cells, connective tissue, smooth muscle
d) Connective tissue, smooth muscle, epithelial cells
Answer:
The correct answer is - d) Connective tissue, smooth muscle, epithelial cells.
Explanation:
The connective tissues are the tissue layers that protect the outside of arteries and veins. The thick outermost layer of a tunica adventitia and other, made of connective tissues.
The middle layer that has tunica media that s made up of outer connective and smooth muscles in the inner or middle and in the innermost layer is made up of epithelial layer.
As per the image given the statements that describe the tissues from the left to right in a microscopic image are connective tissue, smooth muscles, and epithelial cells.
The connective tissues support and protect and give stricture. The smooth muscles are involuntary non straighter muscles. The epithecal cells that line the surface of the body.Hence the option D is correct.
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Which characteristics is common to all three groups of reptiles?
They use claws for defense.
They protect their eggs.
They have moveable eyelids.
They are ectotherms.
They are ectotherms.
hope it is helpful to you
Ectotherms because they are all cold blooded
Which type of RNA functions as the location where proteins are made? mRNA rRNA tRNA siRNA
The type of RNA that functions as the location where proteins are made would be the rRNA.
rRNAs are known as ribosomal RNAs. They are usually found associated with the ribosome - the organelles responsible for synthesizing proteins in eukaryotic cells.
mRNA is the messenger RNA. They are formed directly from the transcription of DNA in the nucleus and then transported to the cytoplasm. They carry genetic information in coded forms and the codes are translated protein synthesis.
tRNA is the transfer RNA. It carries amino acids and anticodons.
siRNA are small interfering RNA.
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Which factors improve soil fertility? Select the three correct answers.
A. Nitrogen
B. Humus
C. Manure
D. Horizons
E. Bedrock
Look at the picture of a leaf-cutter ant.
Based on this picture, which prediction can be made about leaf-cutter ants?
A. They eat trees for energy.
B. They produce hundreds of offspring at a time.
C. They cannot see color.
Answer:
The Answer is -They are strong enough to lift an entire leaf
Explanation:
Based on the picture of a leaf-cutter ant. The prediction that can be made about leaf-cutter ants is they are strong enough to lift an entire leaf. The correct option is D.
What is a leaf-cutter ant?Leaf-cutter ants develop their fungus crop by using leaves as fertilizer. By providing freshly cut leaves, they develop fungal gardens while guarding against pests and molds and removing dead materials. The fungus serves as a food supply for the ant larvae in exchange.
These eager ants may seem to bite off more than they can chew, but in reality, they are capable of carrying leaf fragments that are nearly 50 times heavier than themselves. That's like a person pushing a car around.
Therefore, the correct option is D. they are strong enough to lift an entire leaf.
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DNA is transcribed into RNA, then RNA is translated into amino acids we can build into proteins
Hexokinase is an enzyme that catalyzes the ATP‑dependent phosphorylation of glucose to glucose‑6‑phosphate.
a. True
b. False
Answer: The statement is TRUE
Explanation:
HEXOKINASE is an enzyme that catalyzes the phosphorylation of glucose to glucose‑6‑phosphate in glycolysis. The main function of glucose is to provide energy for the tissues. The basic pathway through which energy is gotten from glucose is through GLYCOLYSIS. The glycolytic pathway is made up of enzyme catalyzed reactions that leads to the conversion of glucose to pyruvate in the presence of oxygen or lactate in the absence of oxygen.
The first step in glycolysis is catalyzed by HEXOKINASE, an enzyme with broad specificity that catalyzes the phosphorylation of six-carbon sugars. Hexokinase phosphorylates glucose using ATP as the source of the phosphate, producing glucose-6-phosphate, a more reactive form of glucose.
Therefore the above statement is TRUE.
Back to the cute little pigs. What are the possible parents of the following groups of guinea pigs. Give all possibilities. You do not need to show Punnett Squares, just the possible parents. There may be more than I answer for each. Case 1: 50 % of the offspring are black Case 2: 75 % of the offspring are black Case 3: 50 % of the offspring are hybrid black Case 4: 100 % of the offspring are black Case 5: 100 % of the offspring are white Case 6: 50 % of the offspring are white Case 7: 25 % of the offspring are white
Answer:
Case 1 ⇒ Bb x bb ⇒ F1 = 50% Bb, black + 50% bb, white
Case 2 ⇒ Bb x Bb ⇒ F1 = 75% Black + 25% white
Case 3 ⇒ Bb x Bb ⇒ F1 = 25% BB + 50% Bb + 25% bb
⇒ Bb x bb ⇒ F1 = 50% Bb + 50% bb
Case 4 ⇒ BB x BB ⇒ F1 = 100% BB Black
⇒ Bb x BB ⇒ F1 = 50% BB + 50% Bb = 100% Black
⇒ bb x BB ⇒ F1 = 100% Bb black
Case 5 ⇒ bb x bb ⇒ F1 = 100% bb white
Case 6 ⇒ Bb x bb ⇒ F1 = 50% Bb black + 50% bb white
Case 7 ⇒ Bb x Bb ⇒ F1 = 75% black + 25% white
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Proteus vulgaris has a doubling time of roughly 28 minutes. If an initial population of 500 cells is allowed to grow for 6 hours in ideal conditions, what will be the final population? Use three significant figures for your final answer.
Answer: The final population of Proteus vulgaris after 6 hours is [tex]3.71\times 10^{6}cells[/tex]
Explanation:
We are given:
Proteus vulgaris divides and doubles every 28 minutes
Total time given = 6 hours = 360 min (Conversion factor: 1 hr = 60 min)
Number of times Proteus vulgaris doubles in 6 hours = [tex]\frac{360min}{28min}=12.857times[/tex]
Calculating the number of bacteria after 6 hours under ideal conditions:
We are given:
Initial population = 500 cells
Number of times it doubles = 12.857 times
Final Proteus vulgaris population = [tex]500\times 2^{12.857}=3709476.8=3.71\times 10^{6}cells[/tex]
Hence, the final population of Proteus vulgaris after 6 hours is [tex]3.71\times 10^{6}cells[/tex]
Which of the following is true about evaluating an experiment?
A)Evaluating an experiment allows the investigator to find errors and make improvements.
B)Evaluating an experiment is not important or required.
C)Evaluating an experiment can change the prediction.
D)Evaluating an experiment can make it more confusing.
Answer:
The correct answer is - A) Evaluating an experiment allows the investigator to find errors and make improvements.
Explanation:
Evaluation is the process in any experiment that helps in improving the analysis and remove missing components and errors to get better results. It also checks if all the process is included and running properly without error.
One should constantly be evaluating his or her experiment. It includes assessing how the experiment is going as you carry it out, what could have been improved if it was to be carried out again and how can eliminate any erros.
How do plant cells that do not have chlorophyll get food?
Answer:
All plants cells have chlorophyll so there is no problem
Record the disorder revealed in the karyotype below.
I need help
Answer:
i don't have that alien eys
you do have
in one word this photo is not clear for my eyes
[tex]1 \sqrt{ \frac{ \frac{24 \frac{ \frac{21150 \sqrt{ \cot( \alpha ) } }{?} }{?} \times \frac{?}{?} \times \frac{?}{?} }{?} }{?} } [/tex]
Please help!! Im gussing it’s either Y or Z
Answer:
The answer is Y
Explanation:
Trust me I've done this before
it is responsible for being bidirectional of the cell membrane
Answer:
I believe it is Cholestral
Explanation:
Molecules produced in the nucleus are transported to the cytoplasm via?
Answer:
Molecules produced in the nucleus are transported to the cytoplasm via endoplasmic reticulum.
ở một loài thực vật, xét 2 cặp gen phân li độc lập A,a và B, b, mỗi gen quy định 1 tính trạng, alen trội là trội hoàn toàn. Tiến hành mmotj phép lai giữa hai cây, thu được F1. Thep lý thuyết, kiểu hình mang hai tính trạng trội ở F1 không thể chiếm tỷ lệ:
A: 12,5% B: 37,5%
how does fertilization of angiosperm differ from fertilization in bryophytes
Answer:
Fertilization in flowering plants happens through a process called pollination. Pollination occurs when pollen grains from the anther land on a stigma. ... Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. After fertilization occurs, each ovule develops into a seed
9. What is the relationship between natural selection and evolution?
Answer:
Through this process of natural selection, favorable traits are transmitted through generations. Natural selection can lead to speciation, where one species gives rise to a new and distinctly different species. It is one of the processes that drives evolution and helps to explain the diversity of life on Earth.
Explanation:
A population has adopted an evolutionarily stable strategy (ESS) in regards to cooperation or defection. If a new mutant strategy appears that causes an opposite behavior from the norm, which of the following will result?
A. The mutant strategy will not be able to increase in numbers in the population under the influence of natural selection.
B. Antagonistic pleiotropy will allow an equilibrium in which both strategies are maintained in the population.
C. The members of the population using the original strategy will act with aggression toward those exhibiting the mutant strategy.
D. The evolutionarily stable strategy will be displaced because of natural selection in favor of the mutant strategy.
E. Natural selection will maintain the mutant strategy because the variation in strategy may be useful in future environments.
Answer:
A. The mutant strategy will not be able to increase in numbers in the population under the influence of natural selection.
Explanation:
An evolutionarily stable strategy (EES) can be defined as a strategy that is competitively superior to others strategies and cannot be replaced or invaded by any other strategy through natural selection, resulting in punishment for those who deviate from it. Thus, an EES may confer a higher reproductive/adaptive fitness than alternative strategies when it is adopted by most members of the population. Individuals having an ESS are 'spiteful' because they act not only to increase their payoffs but also to decrease the payoffs of their competitors. An EES is resistant to low levels of mutation when all individuals in the population have the same strategy. In game-theoretical terms, an ESS is a strategy such that if all the members of a population adopt this strategy, then no mutant strategies could invade the population under natural selection. In consequence, when all individuals of a population adopt an EES, mutant phenotypes cannot invade and displace the ESS.
DNA contains four types of nitrogenous bases .One of these bases is -
Answer:
adenine (A), cytosine (C), guanine (G), and thymine (T)
Match each of the following skull features with its correct bone.
a. styloid process
b. infraorbital foramen
c. sella turcica
d. foramen magnum
e. coronoid process
f. crista galli
1. ethmoid bone
2. sphenoid bone
3. temporal bone
4. mandible
5. maxilla
6. occipital bone
Answer:
The left column contains structures of the bones that belong to the right column.
a) styloid process - 3) temporal bone
b) infraorbital foramen - 5) maxilla
c) sella turcica - 2) sphenoid bone
d) foramen magnum - 6) occipital bone
e) coronoid process - 4) mandible
f) Crista galli - 1) ethmoid bone
Explanation:
The inferior part of the petrous temporal bone forms the styloid process that allows the stylohyoid, stylopharyngeus, and styloglossus muscles to attach with styloid ligaments.
The infraorbital foramen is the opening of the maxillary bone of the skull
sella turcica is a saddle-like structure in the body of the sphenoid bone of the skull.
The foramen magnum is the lower part of the cranial foss that allows the connecting brain and spinal cord and it the opening
The coronoid process is shoulder joint as well and required mandibles in the skull to form.
Crista galli arises from ethmoid bone that is thick and midline triangular but smooth process.
If the initial ratio of 14C to 12C in the bones was one part per trillion (the current ratio of 14C to 12C in the atmosphere), approximately what ratio would we expect in bones that come from wolves trapped 28,500 years ago
Answer:
For the bones of wolves trapped 28,500 years ago, the approximate ratio of carbon-14 to carbon-12, 14C to 12C, will be one part per 32 trillion.
Explanation:
Radioactive isotopes of elements are useful for many purposes. Carbon has three isotopes, carbon-12, carbon-13, and carbon-14. Of these, carbon-14 is radioactive.
The half-life of an carbon-14 is used to determine the age of fossils in a process known as carbon-dating.
Carbon-14 has a half-life of approximately 5700 years. The half-life being the time for half the amount of the radioactive nuclei present in a radioactive element to decay.
The number of half-lives in 28500 years = 28500/57000 = 5 half-lives
This means that the original amount of atoms present in the atoms has undergone radiactive decay five times.
The ratio of the original amount of 14C to the present amount of 14C = (1/2)⁵ = 1/32
Ratio of 14C to 12C that will be found in the bones = 1/32 × 1/ 1 trillion = 1/32 trillion.
Therefore, for the bones of wolves trapped 28,500 years ago, the approximate ratio of carbon-14 to carbon-12, 14C to 12C, will be one part per 32 trillion.
25 POINTS!! If you chemically synthesized the DNA molecule ATGCCGAATG from individual nucleotides, what would be present in solution besides the DNA?
A. phosphate
B. RNA
C. lipids
D. glucose
Answer:
option a
Explanation:
What is a population?
A. a group of organisms of different species interacting with each other and the environment
B. a single separate organisms separate from others of the same kind interacting with it's environmment
C.all the organisms of the same species who live in a specific environment and are capable of interbreeding.
D.a group of organisms and the non-living components interacting as a system
Answer:
What is population?
A group of organisms of different species interacting with each other and the environment is called populatin.
economic importance of mosquito larva list five
Explanation:
economic importance of mosquito larva are
Mosquito larvae grow by consuming microorganisms such as algae and microbes that decompose decaying plant material. Larval mosquitoes contribute to aquatic food chains by serving as food sources for many predators, including fish and birds.i hope it will help you
số lượng protein thu được là bao nhiêu nếu tổng hợp phân tử protein chứa 100aa, trong mỗi phân tử đều chứa 20aa khác nhau
Explanation:
feg3fegrgt✴☝️☝️☝️☝️⛲
Answer:
protein number of collect is a bao nhiêu nếu protein phân tử tổng hợp chứa 100aa, trong mỗi phân tử đều chứa 20aa khác nhau
Explanation:
->1 phân tử chứa đủ 20 aa vậy ta cần 5 protein để tổng hộp thành 100aa
How do organisms have a negative impact on the water cycle? And how can they affect other organisms with your answer? Please help.
Which gas is exhaled along with used air?
SCIENCE QUESTION... ☺️
Explanation:
When we take a breath, we pull air into our lungs that contains mostly nitrogen and oxygen. When we exhale, we breathe out mostly carbon dioxide.
What are the two layers of the skin and the 1 layer below the skin?
Suc- strains cannot utilize sucrose, trp- strains cannot synthesize tryptophan. In the generalized transduction of a suc-trp- strain of E. coli using bacteriophage derived from a suc+trp+ cell, what medium would select for suc+ and trp+?
A) a minimal medium
B) a minimal medium + sucrose
C) a minimal medium + tryptophan
D) a minimal medium + sucrose + tryptophan
E) none of the above
Answer:
B) a minimal medium + sucrose
Explanation:
Suc+ ⇒ can utilize sucrose, so you have to add sucrose to the medium.
Trp+ ⇒ can synthesize tryptophan, so it is not required to add tryptophan to the medium because the cell can produce it.
According to this, to select for suc+ trp+ you have to only add sucrose to the medium. Thus, it will only grow the cells that can utilize sucrose and can synthesize tryptophan.
Therefore, the correct option is: B) a minimal medium + sucrose