Answer:
D
Explanation:
Have a nice day
Eukaryotes are different from prokaryotes because only eukaryotes have Organelles. The correct option is C.
What are prokaryotes?Prokaryotes are primitive organism that is single-celled and their cell contains a capsule and flagella or cilia for locomotion and finding food. These organisms lack true organelles.
Eukaryotes are organisms that can be single-celled or multi-celled. They contain the true nucleus and organelle in the cell and the cell is covered with a cell membrane and a nucleus is present that contains the DNA or the organism.
Prokaryotic and eukaryotic cells, both contain DNA, a plasma membrane. But in prokaryotes, an organelle is absent, and they are covered by a capsule.
Thus, the correct option is C. Organelles.
To learn more about prokaryotes, refer to the link:
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A student wants to know how the number of geese in a study area affects the number of parts in their songs. She
performs an experiment and records the data in a table.
Which two terms describe this type of data?
A. Qualitative
B. Theoretical
C. Empirical
D. Quantitative
Answer:
B. Theoretical
D. Quantitative
Explanation:Because she is not very sure of the answer but is aware of her solution
A population of lab rats recently escaped into the sewer system of Washington, D.C. A brave researcher sampled this population and estimated the following phenotypic frequencies (which were caused by a single gene with two alleles: E and e).
61% normal eyes (EE)
26% cross-eyed (Ee)
13% blind (ee)
If this population were to reach a Hardy-Weinberg Equilibrium (HWE) in one generation, what would the phenotypic frequencies be in that new HWE generation? Let freq (e)=p and freq (e)=q. (Tip first calculate p and q from the observed, and provided, phenotypic frequencies)
freq EE =
freq Ee =
freq ee =
Answer:
freq EE = 0.55 freq Ee = 0.38 freq ee = 0.07Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
What two aspects of internal control must the auditor assess when performing procedures to obtain an understanding of internal control?
Which of the following are what
the different wavelengths of light
we can see make up?
A. carotene
B. the fundamental colors
C. the visible spectrum
D. light-absorbing molecules
Answer:
C. The visible spectrum
Explanation:
The visible spectrum of light makes up all of the different light wavelengths that we can see with our own eyes.
This is called visible light, and it is made up of the 7 colors of the rainbow.
The human eye can naturally detect these wavelengths of light.
So, the correct answer is C. The visible spectrum
Dephosphorylation of glycogen synthase: ____________
a. Increase in the concentration of inorganic phosphate ion
b. Increase in the activity of glycogen phosphorylase
c. Increase of ATP concentration
d. Decreasing glycogen synthesis Increasing glycogen synthesis
e. No effect on glycogen synthesis
Answer:
b. Increase in activity of glycogen phosphorylase.
Explanation:
Glycogen synthase exists in two forms which is phosphorylated form which is covalent modification of serine residues by ATP and dephosphoryated form which is obtained using phosphatase on phosphorylated form. Glycogen phophorylase catalyzes hydrolysis of glycogen which shortens glycogen molecules.
3. Which of the following conditions are NOT vital to evolution?
a. overproduction
b. finite resources
c. the environment
d. the fossil record
Answer:
The answer would be D. The fossil record
Explanation:
The fossil record is for proving evolution, not a factor that causes evolution.
If a diglyceride is formed, how many water molecules are involved?
a.
One.
b.
It depends upon the length of the fatty acids involved.
c.
Two.
d.
Three.
e.
None.
Answer:
b.
It depends upon the length of the fatty acids involved
Lowest to highest degree of internal organization stomach
Answer: Epithelial stomach cell, stomach lining tissue, stomach and then the whole digestive system.
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A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to drop?
Answer:
The kinetic energy of the water molecules decreases which causes the liquid in the thermometers to drop.
Explanation:
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In terms of the hierarchical scales of biological organization, __1__ are a very large scale, __2__ are a very small scale, and __3__ is between them.
Answer:
ecosystem, and biosphere
organelle and cells
tissues, organs, organ systems, organisms, populations, communities,
Explanation:
In terms of the hierarchical scales of biological organization, ecosystem, and biosphere are a very large scale, organelle and cells are a very small scale, and tissues, organs, organ systems, organisms, populations and communities, are present between them. The biological levels of organization of living things arranged from the simplest to most complex are organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
State whether the following statements are true or False. Hormones in plants travel by the vascular bundle.
Answer:
True
Explanation:
In plants, hormones travel large throughout the body via the vascular tissue (xylem and phloem) and cell-to-cell via plasmodesmata. In contrast, many animal hormones are produced only in specific glands. Plants do not have specialized hormone-producing glands.
why is meiosis called reduction division?
: Meiosis is sometimes called "reduction division" because it reduces the number of chromosomes to half the normal number so that, when fusion of sperm and egg occurs, baby will have the correct number. Therefore the purpose of meiosis is to produce gametes, the sperm and eggs, with half of the genetic complement of the parent cells.
the job transfer rna is to bring specific amino acids to be added to the peptide chain during protein synthesis which takes palce in the
A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Mycobacterium tuberculosis (Mtb) is a bacterial pathogen that can cause skin infections as well as pneumonia. Mtb is often phagocytosed by immune cells called macrophages that normally destroy bacterial pathogens, but Mtb is somehow able to prevent the maturation of phagosomes into phagolysosomes, and to live and replicate inside these organelles. Which of the following differences would you expect contribute to the survival of a bacterium within an Mtb-containing phagosome, compared to a phagolysosome? (select two answers)
Answer:
It mututates
Explanation:
It changes it form thus becomes resistant to phagocytes
Which one of the following physical quantities is formed after dividing mass of volume?
I} Weight
II} Velocity
III} Density
IV}Work
Answer:
Density
Explanation:
Density is refer to how much space an object in Mass take in volume.
It is mass if an object divided by volume.
It usually in g/cm3
On a plant, stomates are small openings that regulate the passage of air and water vapor to and from the plant. Generally, the stomates open during sunlight and exchange gases with the atmosphere. The stomates of a few specialized desert plants can open only at night. The best explanation for the pattern of stomate opening and closing is that the desert plants are adapted to protect against
(1) harmful insects
(2) dust particles
(3) destructive plant disease
(4) excess water loss
(5) total energy loss
Please help me somebody answer this.
Answer:
4
Explanation:
this is because when the stomata opens during the day it would lose much water to the atmosphere so it tends to open during the night and close during the day
Fertilization, Fruit and Seed Formation x3 3. a. name the two processes that lead to seed formation in flowering
Answer:
Pollination, the transfer of pollen from flower-to-flower in angiosperms or cone ... In angiosperms, the process of seed development begins with double ...
Missing: x3 | Must include: x3
For what purpose is the mineral corundum commonly used?
O A. To make pencils
O B. To make false teeth
O C. To make emery boards
O D. To make drinking glasses
Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.
Answer:
It's to make emery boards
Explanation:
I just took the test
which of the following is a major determinant of the distribution pattern of a population?
1 social interactions
2 habitat area
3 rate of population growth
4 the ages of the individuals
Answer:
rate of population growth
What is data that is not directly collected or observed by the scientist called?
Answer:
Data that is not directly collected or observed by the scientist
It means that the data that was collected by someone else that is not the scientist, it may include censuses, surveys, data bases or other sort of information.
Explanation:
describe any four factors affecting the distribution and diversity of crustaceans in marine ecosystems
Answer:
En marina es: sobre pesca, cambio climático, especies invasoras, acuicultura. En terrestres es: inundaciones, calentamiento global, gases de invernadero, radiación reflejada.Explanation:ponme coronaGlycogen is an important and quickly mobilized source of stored glucose. Glucose is mobilized for ATP generation in muscle in response to epinephrine, which activates Gs. How would inhibitors of cAMP phosphodiesterase affect glucose mobilization in muscle
Answer:
Glucose mobilization would continue
Explanation:
The GTP-bound alpha subunit (Gαs) is a subunit of the heterotrimeric G protein which is required for stimulating the cAMP-dependent pathway through the activation of the membrane-associated enzyme adenylyl cyclase, which in turn catalyzes the synthesis of the second messenger cyclic-3′,5′-adenosine monophosphate (cAMP) from ATP. Moreover, cAMP phosphodiesterase is an enzyme that hydrolyzes cAMP, thereby negatively regulating the levels of this second messenger, which is fundamental for the termination of the signal. In this case, the epinephrine signal initiates glycogen breakdown (glucose mobilization) in muscle cells. In consequence, if the cAMP phosphodiesterase enzyme is inhibited, the concentration of cAMP will persist high even beyond the termination of the signal, thereby glucose mobilization would continue.
A 55-year-old male is sent to your office to have an esophagogastroduodenoscopy. He is a heavy drinker and smoker who also consumes spicy foods on a daily basis. He is quite anxious about having the procedure performed and is afraid he might choke during insertion of the scope. His father and younger brother were both diagnosed with esophageal cancer. His father died, but the brother was just recently diagnosed and is taking chemotherapy.
A. List the risk factors the patient has for developing esophageal cancer.
B. How might you calm the patient's fears about the procedure?
Answer and Explanation:
A. The risk factors for this patient are age, family history, and smoking and alcoholism. That's because, most cases of esophageal cancer are detected at age 55 years. We must not forget that cancer is a disease with great genetic potential, which means that, as the father and brother of this patient had this type of cancer, this patient has a high probability of developing the same cancer. Furthermore, the constant consumption of cigarettes doubles the risk of developing esophageal cancer. This risk is also increased by alcoholism.
B. To calm the patient down, I would say that there is a very small and almost non-existent risk that he will choke or even feel the endoscopy insertion, as the entire procedure is done with the patient anesthetized and sedated.
A) Risk factors include
People between the age of 45 and 70 have the more risk of esophageal cancer.If the patient has genetic signs of cancer from the past generations may have highest risk of esophageal cancer.Males have more risk than women that is 3 to 4 times to develop esophageal cancer.Alcohol consumption also increases the risk of esophageal cancer.Too much weight or obesity increases the risk of esophageal cancer.Deficiency in nutrients, vitamins and minerals can increase risk of esophageal cancer.B) Calming the patients fears
Make the patient be happy and stress free.Do exercise which produces mood boost endorphins that get rid of worries and stress.Stay positive, being friendly keep good health.For more information on esophagogastroduodenoscopy, visit
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Need answer ASAP! A car runs out of gas and slowly coasts to a stop. This is an example of the following?
O A. short time, small force
B. long time, small force
O c. short time, large force
D. long time, large force
Answer: long time, small force
what is cyclic and noncyclic photo-phosphorylation
Explanation:
The photophosphorylation process which results in the movement of the electrons in a cyclic manner for synthesizing ATP molecules is called cyclic photophosphorylation. ... During cyclic photophosphorylation, the electrons are transferred back to P700 instead of moving into the NADP from the electron acceptor
hope it helps you
Question 4 of 10
Erin is studying the rate at which bananas turn brown as part of her science
fair project. Her teacher asked her to include a scientific question in the
presentation. Which of the following is a reasonable scientific question for
Erin's project?
A. Do bananas prefer the temperature inside the refrigerator or on the
countertop?
B. Should students be required to do science fair projects?
C. What hypothesis is likely to lead to a winning science fair project?
D. How does the air temperature affect the rate at which a banana
turns brown?
Answer:
D. How does the air temperature affect the rate at which a banana
turns brown?
Antimicrobial susceptibility testing was performed to screen a novel compound. The MIC was found to be 10ng/mL. Use the following data to determine the percent recovery for each treatment group. What is the MBC and would you describe the antimicrobial tested as static or cidal?
Novel compound concentration CFU/mL Present Recovery
0ng mL 3.4 x 10^5
10ng/mL 2.4 x 10^5
20ng/mL 6.4 x 10^4
40ng/mL 1.4 x 10^4
80n mL 4.4 x 10^3
160n mL 0
Answer:
a) Percent recovery
100%, 70.58%, 4.11%, 1.29% , 0%
b) MBC = 160 ng mL
c) Static
Explanation:
A) Calculate the percent recovery for each group
i) for 0ng mL
( 3.4*10^5 / 3.4*10^5 ) * 100 = 100%
ii) for 10ng mL
( (2.4 * 10^5) / (3.4 * 10^5) ) * 100 = 70.58%
iii) for 20ng mL
( ( 6.4 * 10^5 ) / ( 3.4 * 10^5 ) ) * 100 = Nil
iv) for 40 ng mL
( ( 1.4 * 10^4 ) / ( 3.4 * 10^5 ) ) * 100 = 4.11 %
v) for 80 ng mL
( ( 4.4 * 10^3 ) / ( 3.4 * 10^5 ) ) * 100 = 1.29%
vi) for 160 n mL
percentage recovery = 0%
B) what is the MBC
The value of MBC = 160 n mL because at this concentration CFU/mL = 0
c) determine if the antimicrobial tested is static or cidal
condition : If, the ratio of MBC : MIC is ≤4 then novel compound is Cidal
MBC / MIC = 160ng / 10ng = 16 : 1
hence we can conclude that the antimicrobial tested is STATIC
Is the word ‘Autotroph’ rightly used to describe animals based on nutrition? Justify
Answer:
Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy
Answer: I don't think that they are known as 'Autotroph'
Explanation: Encyclopedic entry. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers.
5. Which of the following professionals has the authority to prescribe medication and treatment?
A. Nurse practitioner
B. Clinical dietician
C. Nutritionist
D. Home health aide
Answer: A. Nurse practitioner
Explanation: Hope it helps
Answer:
A. Nurse practitioner
Explanation:
Have a great day!
Can somebody help me
Answer:
sure what's your problem.
Explanation:
Tell me.
