Answer:
but is it rlly
Explanation:
Where are instructions for making cell parts found in a cell?
Answer:
The nucleus contains nearly all the cell's DNA and with it the coded instructions for making proteins and other important molecules in a cell
Hope it's help ^_^
If a certain band on one chromatography strip has been identified as
chlorophyll a, chlorophyll a could be identified on a second
chromatography strip by looking for a band
A. with no colour
B. of darker colour
C. in reverse position
D.in a parallel position
Answer:
D
Explanation:
The same chlorophyll can be identified if it moves the same distance up the second chromatography strip as it did on the given chromatography strip.
Chromatography strip by looking for a band in a parallel position.
What is meant by Chromatography?The process of chromatography separates molecules because of the different solubilities of the molecules in a selected solvent. In paper chromatography, paper marked with an unknown, such as plant extract, is placed in a developing chamber with a specified solvent.Chromatography strip by looking for a band in a parallel position.
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Even though mitosis and meiosis produce cells for different purposes, there are similarities
between the two processes. Which statement most accurately states how the two types of cell
division are alike?
Sister chromatids separate during anaphase II and mitotic anaphase is the statement most accurately states how the two types of cell division are alike. Hence, option D is correct.
What is Sister chromatids?Each chromosome is made up of two full-length DNA molecules joined at the centromere after DNA replication as part of cell division. They are two distinct DNA molecules known as sister chromatids.
Sister chromatids are two identical copies of the same chromosome that are produced by DNA replication and joined by a structure known as the centromere. They are divided during cell division, with one copy of each chromosome going to each daughter cell.
A chromatid is one of the two identical halves of a chromosome that has undergone replication ahead of cell division. The two "sister" chromatids are connected at the centromere, a constricted region of the chromosome.
Thus, option D is correct.
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The options are missing-
The daughter cells produced by both processes are haploid.
Homologous chromosomes cross over during the first prophase stage in both processes.
DNA replicates before mitotic prophase and prophase II.
Sister chromatids separate during anaphase II and mitotic anaphase.
Which statement is true about meiosis?
It helps an organism grow in size.
It replaces dead or damaged cells.
It produces four genetically identical gametes.
It is a source of variation in sexually reproducing organisms.
Answer:
It is a source of variation in sexually reproducing organisms.
Explanation:
Answer:
D.It is a source of variation in sexually reproducing organism
Explanation:
What would happen to a cell if its cytoplasm contains 97% water and 3% solute and it is placed into a container that has a solution of 92% water and 8% solute?
A cell if its cytoplasm contains 97% water and 3% solute and it is placed into a container that has a solution of 92% water and 8% solute - cell will lose water and shrink.
A hypertonic solution, the solution has a lower water concentration than the cell cytosol, and water moves out of the cell until both solutions are isotonic
if you place a cell in a hypertonic solution, the cell shrinksit loses water as due to osmosis water moves from a higher concentration inside the cell to a lower concentration outsideThe water will move out of the cell to try to equalize.Thus, A cell if its cytoplasm contains 97% water and 3% solute and it is placed into a container that has a solution of 92% water and 8% solute - cell will lose water and shrink.
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Can u help me please
Answer:
a. Organism B is most closely related to organism A because the percentage of DNA similarity is 97%
b. Organism D and Organism A are the least closely related with a DNA similarity of 50%
c. Organism A and Organism B most likely share a common ancestor because there DNA is alomst identical leaving you to beleive that they are closly related.
Which planet is the smallest and the closest to the Sun?
Earth
Mars
Mercury
Venus
Answer:
yes its Mercury
Explanation:
cuz its da Brainly User my man =)
The smallest and closest planet to the sun is Mercury.
Solar systemThere about nine planets in the solar system. These planets orbit the sun at different rates.
The planets that make-up the solar systemThe planets that make up the solar system include the following, starting from the closest to the sun to the farthest from the sun.
MercuryVenusEarthMarsJupiterSaturnUranusNeptunePlutoThus, the smallest and closest planet to the sun is Mercury.
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Whales, birds, snakes, and fish need oxygen to survive. Even though they share this trait, these animals are not related because they do NOT —
A. inherit genetic instructions passed down from the same parents.
B. lives in the same type of environment.
C. eat the same types of food.
D. need oxygen to survive in their environments.
Answer:
A. inherit genetic instructions passed down from the same parents.
These animals are not related because they do not inherit genetic instructions passed down from the same parents. The correct option is A.
What is inheritance?The transmission of traits and otherwise information through one generation of individuals or cells to the next is referred to as inheritance.
Inheritance can occur through one of two mechanisms: genetic inheritance or epigenetic inheritance.
Deoxyribonucleic acid is another name for DNA. It is the genetic structure that is in charge of storing information.
A nitrogen base, sugar, and phosphate backbone make up DNA. Inheritance occurs when genetic information is passed from a parent to a child, and thus from one generation to the next.
A gene pair's two alleles are inherited, one from each parent. Alleles interact with one another in various ways. These are referred to as inheritance patterns.
Thus, the correct option is A.
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Which is true of all organs in the human body? They are made up of two or more tissue types. They produce red and white blood cells. They remove harmful substances from the body. They are composed of one main type of cell.
Answer:
They are made up of two or more tissue types.
Choose the mutation that you think is causing Lucy’s ADA enzyme not to work. Form a hypothesis and explain your answer. You can revise your hypothesis as you perform more experiments.
answer
stop condon mutation
Explanation:
The mutation is defined as the alteration or change in the genetic sequence of the chromosome. The mutations in the ADA genes have been noted and are caused by point mutations.
Point mutations are defined as the mutations in which the alteration of the single nucleotide of DNA occurs.
Stop codon mutations are the type of point mutations, in which the nonsense codons signal the end of protein synthesis.
Adenosine deaminase is involved in purine metabolism. It is involved in the development of the immune system.
Lucy's condition is due to the stop codon mutations in the genetic sequence of the DNA. The stop codon mutation will signal the end of the translation process, which will result in the non-functionality of the ADA enzyme.
Therefore, the stop codon mutation in the ADA enzyme will occur in Lucy's genetic sequence.
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compare how is the overall chemical reaction for cellular respiration related to the overall chemical reaction for photosynthesis
Answer: cellular respiration reverses the overall photosynthetic reaction, but less efficiently. The useful energy output of respiration is less than the energy input required for photosynthesis.
Explanation:
overall photosynthetic reaction
Light energy + 6CO2 + 6H2O —> C6H12O6 + 6O2
cellular respiration
C6H12O6 + 6O2 —> 6CO2 + 6H2O + energy (as ATP and heat)
Many of the Mauryan Empire’s huge pillars originally were transported from quarries in __________ India.
A.
central
B.
eastern
C.
southern
D.
western
Please select the best answer from the choices provided
A
B
C
D
Answer:
I think its A. Central. Sorry if im incorrect
Answer: B. Southern
Explanation:
PLEASE Help! Worth 45 points!
Answer:
I believe the answer is d or b
Three billion years ago plants began the process of photosynthesis. Why would
the appearance of plants that use photosynthesis to produce their food affect the
increase in atmospheric oxygen and the decrease in carbon dioxide?
Answer:
because plants take in carbon dioxide and produce and release oxygen
Answer:
The appearance of plants and their color would affect the atmospheric oxygen and would attract more of this chemical. The decrease in carbon dioxide would cause the plant to change in shape.
Explanation:
It depends on the type of the plant.
| Suggest two environmental factors that enable pine trees to photosynthesise in spring and summer in
Switzerland, but not in winter.
Answer: Temperature and light
Explanation:
In winter, day length is shorter than in spring/summer and the sun does not rise as high in the sky. There is also more cloud cover, fog and snow to reduce access and intensity of light.
Colder temperatures reduce metabolic activity, and at temperatures below zero, water uptake is prevented, which reduces transport of nutrients, and icing of needles and snow cover reduce access to carbon dioxide.
In spring/summer sunlight is more readily available, temperatures more conducive to carbon dioxide uptake and transpiration.
The two environmental factors are Temperature and light
The following information should be considered:
In winter, day length is less than in spring/summer and the sun does not rise as high in the sky. There is also more cloud cover, fog and snow to reduce access and intensity of light. Colder temperatures decreased metabolic activity, and at temperatures below zero, water uptake should be prevented, which decreased transport of nutrients.Learn more: https://brainly.com/question/20492533?referrer=searchResults
cell cycle and cell division with diagram
Answer:
hope it helps......good day!True or False: Ecological succession happens very quickly, usually just a few years. True False
Answer:
I think is false
Explanation:
please mark me as brainliest
Answer: FALSE IS THE ANSWER
Explanation: BE ME FRIEND SND GIVE ME BRAINLYEST
the corn plant on the left has been grown with Lepidoptera sp. larvae, insects that feed on the corn’s cob and leaves. The corn plant on the right was not exposed to insects. Does this experiment provide enough information to conclude that the plant on the right is resistant to Lepidoptera, and why?
Answer: C) No, we cannot conclude whether or not the corn plant on the right is resistant because, it has not been exposed to Lepidoptera.
Explanation:
How many steps are involved in the bioremediation process?
why we must control number of breeding animals captivity excess
Answer:
Captive breeding is generally undertaken when a species has reached critical population levels where risk of extinction is likely. ... Protect the population against disease. Preserve the gene pool to avoid problems of inbreeding. Provide animals to re-establish or restock wild populations when needed.
Identify What system moves blood
through the body?
Answer:
the circulatory system
Explanation:
Answer:
The Cardiovascular System
Explanation:
The Cardiovascular System is made up of the heart and arteries which pump blood through the body.
Which process do all organisms do when performing cellular respiration?
Answer:
Glycolysis
Explanation:
Glycolysis is the first step of cellular respiration, where glucose is turned into 2 pyruvate molecules.
This step happens in all living organisms, since it does not require oxygen and also occurs in the cytoplasm, which all cells have.
So, glycolysis is the process that all organisms do during cellular respiration.
HELP PLS! XX= Female XY=Male.
You and your spouse are expecting your first child. What is the probablility for your child to be a male? why?
What would the probablility for your second child to be female? Why?
Answer:
Half
Explanation:
The probability of getting a boy or girl is
1/2
How do abundant growth and care resources affect ecosystem?
Answer:
over exploitation
Explanation:
Enzymes are A.) Homogenous catalyst B.) Base catalysts C.) Acid Catalysts D.) Heterogeneous Catalysts,
Answer:
B
Explanation:
Answer:
i want to say acid catalyst, but dont put that as your answer yet.
Explanation:
plants preapare their good in their food in their root
Answer:
In the presence of light, chlorophyll (a substance that gives the leaves a green color) releases oxygen and produces carbohydrates, which enable the plant to grow. This complex process is called photosynthesis.
Explanation:
The roots are used to take dissolved mineral elements from the soil. The root is not capable of absorbing even the smallest organic or solid element. This means that it is important that the soil contains a certain amount of water, but also microorganisms, which have the task of decomposing organic matter and releasing the mineral elements from which it is composed.
how are we able to hear
Answer:
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear.
Hope this helps!
Question 37 of 100
Joints are fluid filled and normally contain Bursa sacs.
a. Fibrous
b. Suture
C. Synovial
hos Cartilaginous
Next Previous
Answer:
synovial
Explanation:
A synovial bursa (plural bursae or bursas) is a small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous synovial fluid (similar in consistency to that of a raw egg white). It provides a cushion between bones and tendons and/or muscles around a joint.
9. Why is it not reasonable to think that all variables can be controlled?
I
Answer:
Any given experiment has numerous control variables, and it's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variables.
Explanation:
I neeeeeeed help hurrrryyyy
Answer:
Population
Explanation:
If there's a high death rate then people would want the population to increase because the disease or whatever scenario is killing the people.
I hope this helped and if I'm wrong somebody please correct me :)