Answer: Red algae- Green and red algae have a likely common ancestor.
What are the light reactions of plants and in what organelle do they occur?
The light reactions of plants are a series of photochemical reactions that occur in the chloroplasts of plant cells. These reactions convert light energy into chemical energy in the form of ATP and NADPH.
The light reactions are divided into two stages: the light-dependent reactions and the light-independent reactions. The light-dependent reactions take place in the thylakoid membrane and involve the chloroplasts absorption of light energy by pigments, the transfer of electrons through a series of electron carriers, and the production of ATP and NADPH. The independent light reactions, also known as the Calvin cycle, take place in the stroma of chloroplasts and use the ATP and NADPH produced in the light-dependent reactions to fix carbon dioxide and create glucose and other sugars.
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The _____ is located near the midline in the anterior portion of the thoracic cavity, posterior to the sternum and slightly superior to the heart.
Answer:
mediastinum is located near the midline
HELP PLSSSS THIS NEEDS TO BE TURNED IN FAST!
Answer:
a) Let "P" be the allele for purple lip color and "p" be the allele for green lip color
Genotypes:
Zit = PP
Zilla= Pp
b) Parental genotypes: PP x Pp
Punnet Square:
PP,PP, Pp, Pp
c) Offspring genotypes: 1 PP : 1 Pp
Offspring phenotypes : all purple
d) 100 % purple lips
e) 0% green lips
Answer: imagine using my questions for points, lol.
Explanation:
What are 4 characteristics of a mollusk?
Four important characteristics of a mollusk are:
Mollusk are found in marine and freshwater habitats.Mollusk have organ system level of organization. Body is divided into head, muscular foot and mantle.The head of mollusk have of tentacles and compound eyes.The phylum Mollusca has many distinctive features and special characteristics. which include a mantle that has mantle cavity, visceral mass, foot, and radula. Mollusks also includes various classes like Gastropod, Bivalvia, Cephalopoda, and Polyplacophora .
Gastropods have a special characteristics that includes spirally-coiled external shell while others mollusks usually have a flattened shell, and many of them doesn't possess any shell as outer structure.
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what classes are necessary for Physiology?
Answer:
The Physiology Department requires:
biochemistry, physical chemistry, anatomy or developmental biology, human physiology, statistics, scientific writing.Hope that helps! :)
-Aphrodite
Explanation:
In a plant, having red flowers has the allele R, and having white flowers has the allele r. A plant with white flowers is crossed with another plant with an unknown genotype. One hundred percent of the offspring have the genotype Rr. What is the genotype of the unknown parent
Answer:
Explanation:
dominant - red - RR
recessive - white - rr
rr is crossed with an unknown genotype to form Rr,
hence, it can only be RR
rr x RR
r R
Rr
Explain what light pollution is and how reducing light pollution can help wildlife. Use text evidence.
Answer:
light pollution is the presence of artificial light in the night envoronemt so using light that is not the sun
Explanation:
some animals are sensitive to blue light such as titles so not using artificial light will really help them since their sensitive
Regulating blood flow through the cardiovascular system, propelling food through the gut, and squeezing secretions from glands describes which type of muscle fibers
The type of muscle fiber responsible for the regulation of flow in cardiovascular system squeezing gland secreations are smooth muscle fiber.
What are muscle?
Muscles are the types of cell bundle present across an organ to protect it and helps in the movement. Musclescan be differentiates as smooth muscles, straighted muscles, non straighted muscles and others.
The movement of food across gut, cardiovascular blood flow and release from glands are involuntary actions anf are described by the movement of smooth muscles.
What is the process of chromosomal mutation?
Chromosomal mutations are the change in genetic sequences of large DNA part that includes many genes. The chromosomal mutation occurs due to error in crossing over during meiosis.
Mutations are the change in the sequence of the DNA that results in variation in the gene expression. The chromosomal mutations include large DNA sequences. These can be duplication, deletion, translocation and inversion.
Meiosis is the type of cell division where the chromosomal content of the daughter cells is half of that of the parent cell. And for this reason it is also called the reduction division. The cell division occurs in two phases: Meiosis I and Meiosis II.
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need help asap
question 8
- 20 points
Answer:
more farm land
Explanation:
increase in population will require more food, thus it can causes more farm land.
Select ALL of the correct answers. Which of the following statements is true of the body cells of an organism? A.) The body cells all perform the same functions as each other. B.) All body cells are descended from a single cell. C.) All body cells contain the same or similar genetic information. D.) The body cells can be different from each other.
Answer: I know C and D for sure...maybe B too? Not too sure
Explanation:
Cut To Length (CTL) systems do all of the following EXCEPT:
1. measure the tree
2. remove the branches
3. cut a tree into logs
4. locate a tree in a forest
Cut To Length (CTL) systems do all of the following EXCEPT ,is stand for
cut a tree into logs.
What means a length?[ C/U ] the measurement of something from end to end or along its longest side, or a measurement of a particular part of something: [ C ] a length of rope. [ U ] The boat is 20 feet in length. [ C/U ]
How is length measured?Length can be measured in different units like centimeters, inches, meters, or by using a handspan, foot span, etc. The units of measuring length can be classified into two types: Standard units of measuring length and non-standard units of measuring length. Look at the chart below showing units of length .
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Can anyone help me with this question??
Help!!
A man really wants to have a baby with type AB blood so he can brag to his friends that his kid is rare. What are his chances for a baby to get type AB blood if the mom has type O blood?
Answer:
0%
Explanation:
what is this? pls help me
Answer:
It's a cell membrane/plasma membrane
What would a "good edge" be in bacteria
Help pleasee
Answer:
Explanation:
somr bacterias are bad health
Which of the following is NOT a consequence of global warming
How does the nucleus in a cell from the embryo differ from the nucleus removed from the egg?
In a far-off galaxy, an astronomer observes a moon orbiting a planet. The moon stays in orbit because of the planet’s gravity.
Some simpler animals lack what type of embryonic tissue?
Some simpler animals lack what type of embryonic tissue?
true
Simpler animals, such as sea sponges, have one germ layer and lack true tissue organization.
8. Last July, the body of a 16 year old male was found in his car. The body exhibited rigor in the legs, but no rigor in the upper torso. The ambient temperature inside the car registered 102°F. Explain the approximate TOD for this situation.
In this situation, the time of death (TOD) can be estimated by examining the evidence of the body's condition. Rigor mortis, the stiffening of muscles after death, is one of the most reliable indicators of the approximate TOD. The fact that the body of the 16 year old male exhibited rigor in the legs, but not in the upper torso, implies that the body had been in the car for a period of time during which it could have been affected by the ambient temperature.
Rigor mortis usually sets in 2-6 hours after death, and its effects can be seen in the body's muscles for up to 12 hours. As the ambient temperature in the car was 102°F, the body's muscles would have stiffened due to the heat, leading to an accelerated onset of rigor mortis. This means that the TOD for this situation is likely to have been within 2-6 hours of the body being discovered, assuming that the ambient temperature had been stable for the duration of the body being in the car.
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What offspring would you predict from a black female cat and an orange male cat?
Black females and orange males also give birth to calico cats. Usually, male kittens only inherit the male's coat color. The Y chromosome determines the sex of males, but has nothing to do with coat color.
Calico cats are domestic cats of all breeds with tricolor coats. Calico cats are most commonly thought of as being 25% to 75% white with large orange and black spots, but they can also include other colors in their patterns. A variation of off-white and gray patches called muted calico sometimes occurs.
The dominant O allele encodes an orange tone, while the recessive O allele encodes non-orange pigmentation (black or brown).
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Why is a percentage scale used for the x-axis rather than actual ages? A) Researchers dont know the maximum life span of the organisms. B) This scale allows you to compare species with widely varying life spans on the same graph. C) The range of the actual ages would be too large to fit on the graph. D) For any graph, the x-axis and y-axis must use the same units.
It allows researchers to compare species with widely varying life spans on the same graph, the range of the actual ages would be too large to fit on the graph.So the correct option is c.
When discussing the life spans of organisms, it is common to use a percentage scale rather than actual ages on the x-axis of a graph. There are several reasons for this.
First, researchers do not know the maximum life span of the organisms that they are studying. By using a percentage scale, they can compare species with widely varying life spans on the same graph without having to worry about one species having a much longer lifespan than the others.
Second, the range of the actual ages would be too large to fit on the graph. By using a percentage scale, the data can be more easily visualized and compared.
Finally, for any graph, the x-axis and y-axis must use the same units. By using a percentage scale on the x-axis, the researcher can easily use the same units on both the x-axis and y-axis, making the data easier to compare and interpret.
In conclusion, a percentage scale is used for the x-axis of a graph when discussing the life spans of organisms because it allows researchers to compare species with widely varying life spans on the same graph, the range of the actual ages would be too large to fit on the graph, and the data can be more easily visualized and compared if the same units are used on both the x-axis and y-axis.
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How often should IV IO epinephrine be administered during neonatal resuscitation if it is ineffective?
According to current NRP recommendations, a low-lying umbilical venous catheter (UVC) is the best way to administer epinephrine. This is followed by a 0.5–1 ml normal saline flush. During resuscitation, 1.0 mg (10 mL of a 1:10 000 solution) of epinephrine hydrochloride is advised to be administered intravenously (IV) every 3 to 5 minutes.
For the medication to reach the central compartment, each peripheral injection dose should be followed by a 20-mL flush of IV fluid. According to the most recent resuscitation recommendations, epinephrine should be administered if the newborn's heart rate is still below 60 beats per minute after 30 seconds of what appears to be effective ventilation with chest rise and 30 seconds of coordinated chest compressions and ventilations.
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DNA gives the cell instructions to make...
carbohydrates
fatty acids
proteins
cholesterol
Answer:
c. Proteins
Explanation:
The DNA code contains instructions needed to make the proteins and molecules essential for our growth, development and health.
Hope this helps!
Answer:
protein
Explanation:
To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene.
Check the items you included in your answer. Both living things and biotic factors can be alive. Unlike living things, biotic things may not be alive; they may have once lived or came from something living. I included an example of something both living and biotic, such as flowers. I included an example of something biotic, but not living, such as paper. I used compare-and-contrast vocabulary
You are all aware that the terms "living" and "biotic" are interchangeable since both refer to the measures of life. It includes, among other things, humans, animals, plants, and predators.
Something that is directly derived from living organisms or that is closely related to living organisms can be considered biotic. Biotic organisms may not always be alive, but they can talk for a long time. A biotic substance is one that once existed or originated from a living thing.
Products like rubber, latex, cow dung, paper, and so on are biotic products that are not living, whereas examples like plants and animals, including humans, fall under the category of living.
As a result, Biotic includes, among other things, humans, animals, plants, and predators.
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What does "repel" mean?
O Magnets do not have magnetism
O Magnets pel for a second time
Magnets move toward each other
Magnets move away from each other
Answer:
D. Magnets move away from each other
Explanation:
be repulsive or distasteful to.
bug repellent
a repellent attitude
Answer:
magnets move away from each other
Cell Differentiation and Specialization
Project: Modeling Cellular Division and Differentiation
For anyone looking for the answer, I have it. This is for Biology on Edge
Answer:
cell
Explanation:
cell is functioning and structural unit for all living organisms.. they have their own different functions
Answer:
could you upload a picture of it again it’s blurry?
Explanation:
Steps in Urine Formation
What are the events at the different areas of a nephron and in the collecting duct?
A. filtrate forms
B. Active & passive mechanisms reduce filtrate volume
C. Water is absorbed, ions are not.
D. Ions are actively absorbed, water is not.
E. The first nephron component where aldosterone regulated
F. ADH regulated water absorbtion
G. Water & solutes transported back into the bloodstream.
The filtrate or developing urine is undergoing alteration by secretion and reabsorption before traveling from this point to the extremities of the collecting ducts.
What is typical urination?Normal urine might be clear or light yellow in color. However, some factors can alter the color. Foods like beets, blackberries, and fava beans, for instance, might cause urine to turn pink or red. Additionally, some medications might produce vibrant urine colors like orange or greenish-blue.
What causes yellow urine?Urobilin, a chemical waste product produced by the disintegration of old red blood cells, is what gives urine its most prevalent color, which is yellow.
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What are the 5
qualifications for
something to be
experimented on
scientifically?
please help lol
The five components of scientific method are: observations, questions, hypothesis, methods and results. Following scientific method procedure not only ensures that experiment can be repeated by other researchers, but also that the results garnered can be accepted.
1. Define a Question to Investigate
As scientists conduct their research, they make observations and collect the data. The observations and data often lead them to ask why something is the way its
2.Make Predictions
Based on their research and observations, scientists will often come up with hypothesis. A hypothesis is possible answer to a question.
3. Gather Data
Evidence is needed to test prediction. There are several strategies for collecting evidence, or data. Scientists can gather their data by observing the natural world, performing an experiment in laboratory, or by running mode
4. Analyze the Data
Scientists organize their data in tables, graphs, or the diagrams. If possible they include relevant data from other sources
5. Draw Conclusions
Based on whether or not their prediction came true scientists can then decide whether evidence clearly supports or does not support hypothesis
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