Desribe how plant cells look and what shape they are in.
Answers
Related Questions
Which technology has helped improve scientists’ ability to gather scientific data about the movement of sea turtles?
satellite tracking
thermometers
probeware
microscopes
Answers
Answer:
its satellite tracking
Explanation:
i had this question before
How to prevent Hepatitis A?
Answers
Answer:
A safe and effective vaccine is available to prevent hepatitis A.
Explanation:
Alternatively, Safe water supply, food safety, improved sanitation, hand washing and the hepatitis A vaccine are the most effective ways to combat the disease. Persons at high risk, such as travellers to countries with high levels of infection, MSM and PWIDs can get vaccinated.
It is a liver disiease caused by hepatitis A virus (HAV). It is spread by getting in contact with the infected person or contaminated food or water. So, to prevent it from happening, just stop using infected stuff.
Which parts of the compound light microscope can be used to improve the quality of the image being observed?
a.) diaphragm and fine adjustment
b.) ocular and high power objective
c.) coarse adjustment and low power objective
d.) ocular and diaphragm
Answers
a.) diaphragm and fine adjustment
or
d.) ocular and diaphragm
but i’m leaning more towards a.)
Observation
Use your senses to make an observation about your environment.
Questions
Create a hypothesis that can be tested in an experiment.
Remember, a hypothesis has a specific "if then" wording.It describes what will happen to the dependent variable when changes are made to the independent variable.For example, "If a plant is fertilized (independent variable), then it will grow faster (dependent variable)."
Design and plan an experiment.
Be sure to identify an independent variable, a dependent variable, and any controls.Remember, controls are factors which stay the same.In an experiment designed to test the previously stated hypothesis, one control would be to use the same kind of plant.Write a complete description of your experiment.Include a list of necessary materials.It is a good idea to follow a step-by-step procedure format.Think of everything you need to do, then write it down in the order it must be completed.Your description and procedure should be clear enough that another person could duplicate your experiment exactly.
Answers
Answer: E
Explanation:
Experiment Design:
Independent Variable: Intensity of light (Low, Medium, High)
Dependent Variable: Rate of photosynthesis (measured by oxygen production or CO2 consumption)
Control: Same kind of plant, constant temperature, constant CO2 concentration, constant water availability, and constant duration of light exposure.
Materials:
Three identical potted plants (of the same species)
Light source(s) with adjustable intensity
Light meter (lux meter) to measure light intensity
CO2 gas sensor or oxygen gas sensor
Timer or stopwatch
Water supply
Thermometer
Data recording sheets
Procedure:
Set up the three identical potted plants in a controlled environment with the same temperature and CO2 concentration.
Ensure that all plants receive the same amount of water.
Place the light source(s) at an equal distance from the plants.
Measure and record the initial light intensity using the lux meter.
Adjust the light intensity to low for the first plant, medium for the second plant, and high for the third plant.
Start the timer and expose the plants to light for a specified duration (e.g., 1 hour).
During the exposure period, measure and record the temperature, CO2 concentration (if possible), and light intensity at regular intervals.
After the exposure period, use the CO2 gas sensor or oxygen gas sensor to measure the change in CO2 concentration or oxygen production, respectively, in the surrounding air.
Record the data obtained from the sensors and calculate the rate of photosynthesis for each plant.
Repeat the experiment multiple times to ensure reliability and average the results.
Analyze the data collected and compare the rates of photosynthesis among the three different light intensities.
Draw conclusions based on the analysis and determine whether the hypothesis is supported or rejected.
By following this experimental design, you can test the hypothesis and determine the effect of light intensity on the rate of photosynthesis in plants. Remember to conduct the experiment in a controlled environment and gather sufficient data for accurate analysis.
Which of the following organelles
contains the genetic information
which is passed down from one
generation into the next?
A. The nucleus
B. The nucleolus
C. The chromosomes
D. The nuclear membrane
Answers
The nucleus, contains the genetic information which is passed down from one generation into the next.
What structure in a cell contains the genetic information?Nucleus. The nucleus serves as the cell's command center, sending directions to the cell to grow, mature, divide, or die. It also houses DNA (deoxyribonucleic acid), the cell's hereditary material.
Thus, option "A" is correct.
To learn more about the nucleus click here;
https://brainly.com/question/23366064
What best describes ribosomes?
Answers
Ribosomes are cellular structures that synthesize proteins from amino acids. They are composed of ribosomal RNA and proteins and are found in both prokaryotic and eukaryotic cells.
Ribosomes are essential for gene expression and cell growth. They can be free in the cytoplasm or bound to the endoplasmic reticulum or the nuclear envelope.
An example of a ribosome function is the translation of a messenger RNA (mRNA) sequence into a polypeptide chain. The ribosome reads the mRNA codons and matchesthem with the corresponding transfer RNA (tRNA) anticodons that carry the amino acids. The ribosome then forms a peptide bond between the amino acids and releases the tRNA. This process continues until the ribosome reaches a stop codon on the mRNA and terminates the protein synthesis.
Answer:
A ribosome is a intercellular structure made of RNA and protein
Explanation:
Measuring Pulse
To take your pulse, you press your fingers against an artery near the surface of the body. What are you feeling and measuring when you take your pulse? Why can’t you take your pulse by pressing your fingers against a vein?
Answers
Answer:How long each heart beat are apart
Explanation:
the vein isnt conected to ur heart :P
Please help (*^▽^*)
Do these commenters have a point? Should extreme snowfall over the course of a season cast doubt on the theory of global climate change? Make a scientific argument explaining why you agree or disagree with these commenters.
Answers
Extreme Snowfall: Extreme snowfall is most likely the result of climate change, since ice is melting and creates higher water levels and more evaporation and precipitation as a solid, snow. Also, global climate change has been proven to be true and very common throughout the years. The temperature rises every year, everywhere, even if there is a disturbance in the continuance cycle of higher temperature. Also, every year, every day, and even every second, the ocean levels are rising as a result of glaciers melting from the increasing temperatures, also causing extreme living conditions for polar bears and other arctic animals.
How do volcanoes erupt describe how they erupt in your OWN words
Answers
Volcanoes erupt when a continental-oceanic plates combine piling up the pressure and eventually the magma explode out of the volcano/mountain.
Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts. Melting may happen where tectonic plates are pulling apart or where one plate is pushed down under another. Magma is lighter than rock so rises towards the Earth's surface.
Every DNA strand has an EQUAL number of adenine and thymine nucleotides in a molecule. Explain why.
Is this true for cytosine and guanine nucleotides? Explain your answer.
Is this true for cytosine and adenine nucleotides? Explain your answer.
Answers
What was the first planet discovered obiting a star?
Answers
Answer: 51 Pegas b
Explanation:
Answer:
51 Pegasi b: 1st planet found orbiting a sunlike star
Explanation:
Astronomers officially designated the new planet as 51 Pegasi b, in accordance with the nomenclature already decided upon for extrasolar planets. The b means that this planet was the first discovered orbiting its parent star.
Need Help!
What conclusion can be drawn about the number of elements the make up the majority of the world in which we live and the total number of elements identified on the Periodic table?
Answers
Answer:
I think what you're reaching for is how the vast majority of the world we live in is comprised of only a few elements on the periodic table (carbon, hydrogen, oxygen, to name a few).
Explanation:
The other molecules identified on the periodic table do exist in nature but in much smaller quantities than those of a select few atoms.
Answer:
Of these 118 elements, 94 occur naturally on Earth. Six of these occur in extreme trace quantities: technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number 93; and plutonium, number 94.
Explanation:
I have a homework assignment that tells me to create a chat between two parts of the endocrine system when you are about to sleep. I know that the two glands would be the hypothalamus and the pineal gland. The thing is I can't find out which hormone the hypothalamus produces that sends signals to the pineal gland to produce melatonin. any help would be massively appreciated
Answers
Here is a possible chat between the hypothalamus and the pineal gland before sleep:
Hypothalamus: Hey pineal gland, it's getting dark outside. Time to start producing melatonin.Pineal gland: Sure thing, hypothalamus. I'll get right on it.Hypothalamus: Thanks, pineal gland. I'm going to go take a nap now.Pineal gland: Good night, hypothalamus. Sleep well.How does the endocrine system work for sleep?The hormone that the hypothalamus produces that sends signals to the pineal gland to produce melatonin is called melatonin-releasing hormone (MSH). The hypothalamus and the pineal gland work together to regulate sleep-wake cycle.
When it gets dark outside, the hypothalamus releases MSH, which signals the pineal gland to start producing melatonin. Melatonin is a hormone that makes the body feel sleepy. It helps to regulate the body's internal clock and to promote sleep.
Find out more on endocrine system here: https://brainly.com/question/4455660
#SPJ1
please help me I’ll give brainliest lol
Answers
Answer:
Horseshoe crabs are chelicerates, which means they're made of two segments, the cephalothorax and the abdomen. The cephalothorax is a fusion of the head (cephalon) and chest (thorax), and the tail is part of the abdomen. Trilobites, on the other hand, are composed of 3 parts, cephalon, thorax, and pygidium. In this body plan, the pygidium is the tail and is a separate segment of the body. Due to these differences, it seems that the two species are not closely related, however, it's quite possible that they share a yet-undiscovered common ancestor.
Answer:
Horseshoe crabs are chelicerates, which means they're made of two segments, the cephalothorax and the abdomen. The cephalothorax is a fusion of the head (cephalon) and chest (thorax), and the tail is part of the abdomen. Trilobites, on the other hand, are composed of 3 parts, cephalon, thorax, and pygidium. In this body plan, the pygidium is the tail and is a separate segment of the body. Due to these differences, it seems that the two species are not closely related, however, it's quite possible that they share a yet-undiscovered common ancestor.
When a chemical reaction absorbs or releases thermal energy, the reaction causes a change in temperature. Read the passage about a chemical reaction that absorbs or releases thermal energy. Then, follow the instructions below.
To clean their drain pipes, some people make a solution of baking soda and vinegar. Baking soda, also known as sodium bicarbonate (
Na
H
C
O
3
)
, reacts with acetic acid (
C
2
H
4
O
2
)
in vinegar to produce sodium acetate (
Na
C
2
H
3
O
2
)
, water (
H
2
O
)
, and carbon dioxide gas (
C
O
2
)
. As the products form, thermal energy is absorbed from the surroundings and converted to chemical energy. The carbon dioxide gas creates bubbles that help clean the inside of the pipes.
Complete the statement.givening brainliest
Answers
During this reaction, solution become colder.
This is because it's an endothermic reaction where heat is absorbed from the surrounding. If it was an exothermic reaction heat would be released into the surrounding making the solution warm .
Which accurately labels the cytoplasm?
Answers
Answer: Y
Explanation:
50 POINTS
Which organisms are prey?
Answers
Example:mouse is prey for many like snake,owl,rabbit
Hope it helps u
Using the evidence above a plain which color guppies would survive in each environment (prefator and no predator) and why
Plz will be marked BRAINLIEST and thanks
Answers
Answer:
As we can see from the graph above, brightly colored guppies would only survive in environments without predators, as they have worse camoflague thanks to their bright tail fins. In an environment with predators, guppies with plain/not brightly colored tail fins would survive better, seeing how while even placed in the predator's sight the guppies were less likely to be attacked when not brightly colored.
Highly organized systems like living cells should have _____.
a. High energy
b. High entropy
c. Low entropy
d. Low energy
Answers
(Daily Question) If you were to choose what animal you would be what would the animal be? Comment your answers too!
Answers
Monkey
we are most similar to them but smarter so i think it would be fun to kinda relearn how to do basic stuff like making tools, since some monkeys can make stuff with a simple rock. AND OF COURSE TO SWING!!!
What is a reproductive characteristic that gymnosperms and
angiosperms share?
pls answer in the simplest form!<3
Answers
Answer:
Click on file...
Explanation:
Answer:
making seeds.
Explanation:
A student is studying a gray pine (conifer/gymnosperms), an apple tree and an avocado tree. After conducting research about them she discovers some similarities and differences between them. What are some of the differences and similarities she probably discovered? (Hints: think about how they reproduce)
Answers
can i please get some help
Answers
At the end of meiosis, there are four cells, each with 23 chromosomes, for a total of 92 chromosomes split between the four cells
Answer:sure , second
Explanation:
Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
Answers
Arrow 'f' releases carbon dioxide.
Answer:
F I think I am not sure though hope I helped.
Weathering and erosion contribute to the creation of landforms that contain nutrient-rich soil for plant growth. Put the following processes used to create nutrient-rich soil in the correct order.
1
multiple cracks cause large rock to break into smaller rocks
2
water infiltrates existing cracks in large rocks
3
small rocks experience abrasion from winds that contain sand particles
4
sediment combines with organic material
5
rocks expand when exposed to Earth's surface and pressure decreases
What order, please??
Answers
Answer:
5,1,2,3,4
Explanation:
Sorry, if it's incorrect. I'm not sure, but 1 and 2 are first.
Fungus and algae living together form………..?
Need help now. 15 points
Answers
Answer:
Im pretty sure its Lichens
Explanation:
What do you predict might happen if someone introduced a new species that could eat large amounts of algae at a rapid pace, outcompeting other species already present? Describe what you think might happen, making sure to specify how at least three of the organisms that might be affected and giving a detailed explanation for each organism. Make sure to include in your answer at least one organism that does not eat algae.
Answers
Answer:
Small fish, crustaceans, and water-dwelling insects eat algae, so they are going to be affected if an new species is introduced and is water based, also the new species its the algae at a rapid pace, a bunch of organisms will be in danger because some of the organisms eats algae as a primary source of food. If there is something that can make this species go extinct for sometime until it is possible algae can grow as fast as they eat it, then there would be a bunch of sea creatures/organisms affected by this huge change. Not only will the small fish, and other sea creatures/organisms will be affected but it'll also disrupt the ocean food chain, including us human! Because we eat fish, some people depend on algae because if the algae kept getting ate up by this "new" species EVERYTHING else would be also disrupted. Microscopic animals wouldn't have enough food, fish wouldn't have enough oxygen and plants would lose some of the carbon dioxide they need to grow, so these organisms DEPEND on algae for their LIFE!
Explanation:
Answer:
Small fish, crustaceans, and water-dwelling insects eat algae, so they are going to be affected if an new species is introduced and is water based, also the new species its the algae at a rapid pace, a bunch of organisms will be in danger because some of the organisms eats algae as a primary source of food. If there is something that can make this species go extinct for sometime until it is possible algae can grow as fast as they eat it, then there would be a bunch of sea creatures/organisms affected by this huge change
Explanation:
where did the name '' hamster'' probably come from?
A. The animal was discovered by a person named Hamm.
B. People thought the animals looked like little hams.
C. It comes from a word meaning ''tiny''.
D. It comes from a word meaning ''to hoard''.
Answers
Answer:European Hamster
Smallest breed
Roborovski hamster
Stout-bodied rodents,
with tails shorter than body length, and have small, furry ears, short, stocky legs, and wide feet.
en.wikipedia.org
Popular breed
Golden hamster
They carry food in their spacious cheek pouches to their underground storage chambers. When full, the cheeks can make their heads double, or even triple in size.
en.wikipedia.org
Explanation:
Explain how the gradient, load, and discharge of a stream will affect erosion. Use details to support your answer PLS HELP
Answers
In the lower reaches of a stream, where the discharge is greater, since friction is less the stream need not be so steep to transport the load. If it were steeper than needed to transport the sediments erosion would result. But this would decrease the gradient leading to a decrease in erosion.
The diagram shows one way that genetic information can be passed from a parent to an offspring.
--
Which statement names and best describes the process in the diagram?
A) Meiosis; occurs during asexual reproduction and will not result in genetic variation among the offspring.
B) Meiosis; occurs before sexual reproduction and will result in offspring with different genetic information from the parent.
C) Mitosis; occurs during asexual reproduction and will not result in offspring with different genetic information from the parent.
D) Mitosis; occurs before sexual reproduction and will result in genetic variation among the offspring.