Resolution is the ability that a microscope has to distinguish fine details. Without making any other adjustments the RESOLUTION can be increased by focusing properly in a brightfield microscope.
A brightfield microscope (also called compound light microscope) is a light microscope that produces dark images against a bright background.
The brightfield microscope is widely used in cellular biology and microbiological laboratories.
The resolution of the brightfield microscope is limited to 0.2 micrometers (µm).
This maximum value can be reached by changing the objective lens.
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Why is the success of a mutation dependent on environmental conditions?
PLEASE HELP QUICK!!!
The different forms of the beef cattle color gene are called_
The different forms of the beef cattle color gene are called "alleles"
What are alleles?Alleles are alternative versions of a gene that arise from mutations and are located at the same position on a chromosome.
In the case of beef cattle, the color of the animal is determined by the interaction of multiple genes, including the color gene. The color gene can have different alleles that influence the color of the animal's coat. For example, one allele may result in a black coat color, while another allele may result in a red coat color.
The combination of alleles that an animal inherits from its parents determines its genotype, which in turn determines its phenotype or observed traits. Therefore, the different alleles of the beef cattle color gene can result in different coat colors, patterns, and markings in the cattle population.
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In fruit flies, the allele for normal-sized wings (W) is dominant to the allele for small wings (w). A fly that has normal wings breeds with a fly that has small wings. Several offspring have small wings, and others have normal wings.
A. What are the genotypes of the 2 parental flies?
Normal wings __________
small wings __________
B. Two flies with small wings produce offspring. What type of wings will the offspring
have? Draw a punnett square to support your answer.
C. A short winged fly can be described -using words as what?
D. What type of inheritance is this called?
Answer:
A. Normal Wings= Ww, Small Wings=ww
B. All offspring will have short wings because short wings trait is recessive.
w. w
______
w| ww |ww|
————-
w|ww |ww |
______
Explanation:
describe a chemical reaction
Answer:
The chemical reactions is a process in which one or more substances, the reactants, are converted to one or more different substances, the products.
Explanation:
.
Answer:
A chemical reaction is a process in which the reactants are converted into one or more different substances. A chemical reaction occurs when certain bonds between the atoms are formed or broken. The substances that are formed at the end of the reaction are called products.
Hope this helps! :)
Help please :) thank u
Answer:
!! neither mechanical nor chemical digestion
Trees in a temperate deciduous forest compete for all of the following EXCEPT -
A sunlight.
B shelter.
C soil.
D water.
Answer:
B
Explanation:
Trees needs sun, soil (nutrients), and water to grow and become strong.
I hope this helps ^-^
true or false
Only animals have a niche.
Answer:
False
Explanation:
Answer:
True
Explanation:
What are the characteristics of vitamins and minerals? (Select 3)
A.They are gained by the body by eating.
B.They are produced inside the body.
C.They help the body get energy.
D.They help your immune system fight disease.
Answer:
.
Explanation:
Explanation: Open Photo ;)
The pancreas secretes enzymes and bicarbonate into the a. esophagus c. duodenum e. ileum b. stomach d. jejunum
Answer:
C. Duodenum
Explanation:
hope this helps!
the answer should be the duodenum
please help asap
Summarize how atmospheric pollution affects living organisms and the environment by completing the chart below:
Answer:
humans- exposes them to the ultra-violet rays of the sun causing cancer
animals- causes the pollution of gases found within the atmosphere
plants- polluted atmosphere contains poisonous gases that pour down as acid rains causing soil pollution and depletion on nutrients for plants
Environment- causes global warming
What valuable information was gained from Mendel's dihybrid crosses?
Select all that apply.
1. Not all traits are controlled by genes. In most plants, genes only determine traits that affect
flower color.
2. Statistical and probability methods can be used to determine how likely an offspring is to inherit
certain traits.
3. Genes are inherited differently in plants than they are in animals.
4. Inheritance of one trait does not affect inheritance of another.
Mendel's dihybrid cross proves that the inheritance of one trait does not affect the inheritance of another trait. Hence, option 4 is correct.
What is a dihybrid cross?When two different traits are crossed together then it is called a dihybrid cross. These two different traits are regulated by two different genes.
In Mendel's dihybrid cross, he did cross between round yellow and wrinkled grees. There are two traits, color, and shape. In the F1 generation, all seeds were round yellow but they were heterozygous. Round shape and yellow color are dominant traits.
Then he self-pollinated F2 generation and found four types of seeds that were round yellow, round green, wrinkled yellow, and wrinkled green in the 9:3:3:1 ratio. The cross is attached in the image below.
Inheritance of one trait does not affect the inheritance of another trait. Hence, option 4 is correct.
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What hormone carries out hydrolysis? Explain.
Answer:
the HGH hormone
Explanation:
which type of specialized cells would be found in an animal’s neuvous system?
The type of specialized cells would be found in an animal’s nervous system are the cells that transmit signals around the body. The correct option is D.
What is the nervous system?The nervous system is the part of an animal's body that controls behavior and sends messages to other parts of the body. It is divided into two components in vertebrates: the central nervous system (CNS) and the peripheral nervous system. The CNS houses the brain and the spinal cord.
Neurons are specialized cells found in animals. These cells are classified as sensory neurons, interneurons, or motor neurons based on their function. They transmit signals from the body to the brain and from the brain to the body parts.
Therefore, the correct option is D. Cells that can transmit signals around the body.
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The question is incomplete. Your most probably complete question is given below:
Cells that transport oxygen are found in the blood.
Cells that secrete hormones to trigger cellular responses.
Cells secrete enzymes to break down food.
Cells that can transmit signals around the body.
What does the phrase of sunshine and of song mean in the poem?
A.
memories
B.
weather
C.
happiness
D.
singing
Answer:
a
Explanation:
refers to the attitudes, behavior, and activities that are socially defined as appropriate for each sex and are learned through the socialization process. OA) Sexual role B) Gender identity OC) Gender role D) Sexual identity
Answer:
Gender Role
Explanation:
How people already see how people should act. Example- Be a man.
Answer:
b. sex
Explanation:
edge 2021
what is a similarity of an ecosystem and a habitat
Answer:
Habitat and ecosystem are two ecological terms.Both include living organisms. Organisms live in both systems.Hope this helps!
Answer:
Both include living organisms. Organisms live in both systems
Explanation:
Answered by NONE other than the #QUEEN herself aka #DRIPPQUEENMO
HOPED THIS HELPED!!
Question C. please... :) And NO FILES I WILL REPORT YOU!
The probability that an “X” bearing egg will be fertilized by a “Y” bearing sperm is?
Answer:
100%
Explanation:
correct answer gets brainiest. and i’m telling u. if u guess or leave a link, ur getting reported and that’s not a threat
The weight of astronaut on the moon will be
A) Less because the moon has less mass
B) Less because the moon has more mass
C) More because the moon has less mass
D) More because the moon has more mass
Answer:
A
Explanation:
The gravity of a body increases with its size. The moon is smaller than the Earth, so an astronaut will weigh less on the moon than they will on Earth. Good luck ^^
Explanation:
A because im big brain
What is the process of the digestive system?
Answer:
In terms of processes: ingestion, motility, mechanical digestion, chemical digestion, absorption, and defecation.
In terms of pathway: Mouth, throat, esophagus, stomach, small intestine, large intestine, rectum, and finally the anus.
What was the result of the Reconstruction Amendments (the Thirteenth, fourteenth, and fifthteenth Amendments)?
Slavery was abolished and voting rights were extended to all male citizens. The Thirteenth Amendment (ratified in 1865) abolished slavery. The Fifteenth Amendment (ratified in 1870) extended the voting right to all male citizens without discrimination in terms of race, color, or previous servitude.
what is the term for the process of cell division that results in the formation of gametes ?
Answer:
meiosis
Explanation:
Tropical rainforests have the greatest biodiversity of any type of land ecosystem how does biodiversity contribute to the sustainability of an ecosystem
Biodiversity contributes to the sustainability of an ecosystem in ways such as biodiversity, ecosystem stability, ecosystem resilience, nutrient cycling, pollination, and medicinal properties.
Biodiversity is crucial for the sustainability of an ecosystem as it plays a significant role in maintaining the functioning of ecosystems and providing a range of ecological services. In tropical rainforests, which have the highest biodiversity, the presence of numerous species of plants, animals, fungi, and microorganisms contributes to the sustainability of the ecosystem in the following ways:
Ecosystem Stability: Biodiversity helps to maintain the stability of an ecosystem by providing a balance between predator and prey populations, nutrient cycling, and decomposition.
Ecosystem Resilience: The greater the biodiversity of an ecosystem, the more resilient it is to disturbances such as climate change, natural disasters, and human activities.
Nutrient Cycling: Biodiversity helps in the efficient cycling of nutrients in the ecosystem. Different species of plants and microorganisms play a role in decomposing organic matter, recycling nutrients, and maintaining soil fertility.
In summary, biodiversity is essential for the sustainability of ecosystems. It provides ecological services that are critical for maintaining the functioning of the ecosystem and contributing to human well-being.
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6. Why does the study of cell membranes lead to a better understanding of cell function?
a. All cell functions occur in the cell membrane.
b. All energy transfers occur at the cell membrane.
C. All cell membranes contain the information for making proteins.
d. All materials needed for cell functions must pass through the cell membrane.
Answer: d. All materials needed for cell functions must pass through the cell membrane. brainliest?
Explanation:
What is the Florida state lizard (don’t search) just guess
Somebody please help? Thanks
Answer:
None
Explanation:
because y is recessive and it needs to be yy to be green so Yy wouldn't wrok
Write your explanation of the role of genetics in Natural and Artificial Selection. Write on how environmental factors affect the survival based on Natural and Artificial Selection.
A student has a test tube that contains 50 mL of water. She wants to add a substance to the water that will cause the test tube to become hot to the touch. Which of the following would be best for her to add to the water?
A.
a substance that produces a gas when it reacts with water
B.
a substance that does not react with water
C.
a substance that releases heat when it reacts with water
D.
a substance that absorbs heat when it reacts with water
Answer:
the guy above is wrong the actual answer is C
Explanation:
The best for a student to add to the water is a substance that releases heat when it reacts with water. Thus, the correct option is C.
What is an exothermic reaction?When a chemical reaction takes place, energy is transferred to or from the surrounding in the universe. When the energy is transferred to the surrounding, there is a loss of energy, this reaction is called an exothermic reaction, and the temperature of the surrounding increases during this reaction.
The process of dissolving a substance is exothermic when more energy is released when water molecules bond to the solute particles in the solution than is used to break the solute particles apart. Because, more energy is released than is used in this process, the molecules which are present in the solution move faster, and thus results in an overall increase in temperature.
Therefore, the correct option is C.
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Plz HELP!! where does respiration, the process of releasing energy from combination of oxygen and glucose, occur? A. Cells B. Bronchi. C. Pharynx. D. Nose
Answer:
A
Explanation: