Answer:
nucleus – the major organelle of the amoeba, located centrally; it controls reproduction (it contains the chromosomes) and many other important functions (including eating and growth). pseudopods – temporary “feet” that the amoeba uses to move around and to engulf food.
Explanation:
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If you have a measurement of 234.005 k, how many significant figures does it have
Answer:
It has 6 sig figs
Explanation:
235.005
Every digit is significant.
what is homostatis in biology
Answer:
the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
It means “same”, and “steady”, and it refers to any process of organisms that live under actively maintain fairly stable conditions necessary for survival.
Why do
you think that organizing the Earth into levels is important?
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ASAP
The cell cycle occurs in which order?
A. G1, S, G2, Cytokinesis, Mitosis
B. G1, S, G2, Mitosis, Cytokinesis
C. S, G1, Mitosis, G2, Cytokinesis
D. S, G1, G2, Mitosis, Cytokinesis
Answer:
B. G1, S, G2, Mitosis, Cytokinesis
Explanation:
G1 is the first stage of the cell cycle, and it is essential for cell growth.
Next, the S (Synthesis) phase occurs. This phase involves DNA synthesis to prepare the cell for division.
G2 is the next phase, and it involves preparing and growing the cell for mitosis.
Mitosis is the next stage, where the cell divides into 2.
Lastly, Cytokinesis occurs after mitosis, and it creates the two daughter cells.
So, the correct answer is B. G1, S, G2, Mitosis, Cytokinesis
Most fresh water fish are hypertonic, meaning their body cells contain more salt than the surrounding water. Since osmosis should push water into their cells, why don't they explode? They don'Ât drink any water because they get so much from osmosis. They have adapted to live with high osmotic pressure. They urinate a lot, so the water does not build up. Their cells have adapted to absorb salt. All of the above
Answer:
They urinate a lot, so the water does not build up.
Explanation:
Freshwater fishes are fishes that live in freshwater habitat i.e. little or no salt. This means that the fishes are hypertonic (have more salt) to their external environment. Due to their hypertonicity, freshwater fishes tend to take in more water via osmosis.
Freshwater fishes, however, do not explode despite this phenomenon because they pass out the excess water via urine waste. Freshwater fishes urinate a lot, hence, the absorbed water does not build up in their bodies.
Which of the following cell membranes is the most fluid?
Membrane A, because it is composed of saturated fatty acids that have one or more cis bonds that form stable aggregations
Membrane A, because it is composed of saturated fatty acids that lack weak hydrogen bonds that continually break and reform to permit macromolecule movement
Membrane B, because is it composed of unsaturated fatty acids that form weak covalent bonds at the site of their cis bonds, which permit easy movement
Membrane B, because it is composed of unsaturated fatty acids that have one or more bends, which prevent tight packing
Answer:
Membrane B, because it is composed of unsaturated fatty acids that have one or more bends, which prevent tight packing.
Porque los bioelementos y las biomolegulas son importantes para todos los organismos
Explanation:
Bioelementos
De los más de 100 elementos encontrados en la Tabla periódica, la materia viva está
constituida por unos 70 elementos y solo alrededor de 21, son esenciales para el desarrollo y
conservación de la vida. Estos elementos se llaman bioelementos o elementos biogénicos.
Bioelementos Primarios
Están formados por: C, H, O, N, P y S, los cuales constituyen alrededor
del 96.2% de la materia viva en base seca. Son los componentes
fundamentales de las biomoléculas. Son iimprescindibles para formar:
carbohidratos, lípidos, proteínas y ácidos nucleicos.
Clasificación de
los bioelementos
Bioelementos Secundarios
Grupo comprendido por los iones: Na+
, K+
, Ca2+, Mg2+, Cl-
. Estos
elementos aunque se encuentran en menor proporción que los
primarios, también son indispensables para los seres vivos. En medio
acuoso (solvente presente en células tejidos y órganos), siempre se
encuentran ionizados.
Oligoelementos
Son aquellos bioelementos que se encuentran en los seres vivos en un
porcentaje menor del 0.1%. Algunos, los indispensables, se encuentran
en todos los seres vivos, mientras que otros, variables, solamente los
necesitan algunos organismos. En este grupo se encuentran: Fe, Cu,
Zn, Mn, I, Ni y Co (que aparecen en la mayoría de los organismos) y Si,
F, Cr, Li, B, Mo y Al (sólo están presentes en grupos concretos).
Constituyen menos del 0.1% y son esenciales para desempeñar
procesos bioquímicos y fisiológicos.
Why are sharks important in ecosystem
Answer:
think the answer is A. think the answer is A.
think the answer is A.
think the answer is A.
What is the independent and dependent variable? Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators
__________________________
what kingdom are protists in
Answer:
Kingdom protista
Explanation:
A plant does not grow when its apical meristem is cut. justify the statement
Answer:
Apical Meristem undergo rapid cell division ,hence is responsible for growth in height of the plant and is found on the tip of the plant. So, if apical meristem is either damaged or cut, growth can't take place and the plant will stop growing
Explanation:
Apical meristem undergo through rapid cell division, thus it is responsible for growth of height and if the meristem is cut the growth stops.
What is apical meristem?Apical meristem is defined as the region of cells responsible for the division and growth in the root and shoot tips in plants.
Apical meristems are special zones of growth present at the tips of plants and these are responsible for the growth of shoots and roots and shows primary plant body.
The main function of apical meristem is growth of plant and unlike undifferentiated plant cells, differentiated plant cells generally cannot divide and produce different types of cells.
There are mainly two types of apical meristem and these are shoot apical meristem (SAM) and root apical meristem ( RAM).
Therefore,Apical meristem undergo through rapid cell division, thus it is responsible for growth of height and if the meristem is cut the growth stops.
Learn more about apical meristem here:
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For a scientist, assessing the validity of information requires
a specific knowledge
b. a hypothesis
c. experimentation
d. questions
Please select the best answer from the choices provided
Ο Α
ОВ
Ос
OD
Answer:
The correct answer is letter C. Experimentation.
Explanation:
For a scientist, assessing the validity of information requires experimentation. In statistics and sciences, the validity of an information has no agreed definition but it generally refers to the how the concept is being experimented before reaching to the point of conclusion.
Adaptation:
Question 6
A type of large mammal living in herds develops many adaptations over a period of time. These include ability to drink a lot of water and go without water for long periods of time and fur on the top of their body.
What can we say about the living conditions of these mammals?
Select one:
They live in a sunny environment where water is scarce.
They are grass eaters who must travel long distances to find food.
They are hunters that rely on group tactics to get their prey.
They live in a cold environment with lots of trees but little grass.
I hope this helps...
What climate zone includes much of North America, Europe, and Asia?
A. Temperate zone
B. Polar zone
C. Pacific zone
D.Tropical zone
Polar zone includes much of North America Europe and Asia
A child is born without a fully developed heart. He is normal in all other respects, and thus doctors believe that the problem most likely began early in development. During the formation of which embryonic germ layer did the original error most likely occur
Which of the following terms is the life
cycle of a living cell?
A. g1
B. cell cycle
C. interphase
D. mitosis
Answer:
cell cycle is the term of the life cycle of a living cell
lol anyone?
the weather calls for icy roads to the city scatter salt in the road. explain how this may affect plants that are next to the road?
Explanation:
A common way to clear icy roads is to apply a layer of salt, which lowers the freezing temperature of water and melts the ice.
In terms of pedogenic regimes, the process that results in an accumulation of humus overlaying a thick, water saturated layer of clay in cold, wet climates with poor drainage conditions is
Answer:
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1936-704X.2015.03186.x the ans is more than 5000 lines so I cont lell it so it is the link of the ans
hello!!
What´s Antibiotic
Antibiotics are drugs that are able to fight diseases caused by bacteria. Besides, it is a "golden solution" that can kill harmful bacteria (pathogenic bacteria such as fungi, actinomycetes, ...), has the effect of inhibiting the growth and spread of of these bacteria.
Answer:
antibiotics mean a type of antimicrobial substance against bacteria.
fundamental molecules produced in photosynthesis is
(a) glucose (b) amino acids (c) fatty acids (d) nucleotide
glucose is the fundamental molecules produced in photosynthesis
plz mark me as brilliant answer
Regardless of the physical traits that are determined by genes, an organism must receive the proper
to develop normally,
O genes
O cells
food
exercise
Answer:
food
Explanation:
I think food is the answer because food has alot of nutrients that help in the proper development of the body.
I hope this helps
14. Brainstorm and write at least 3 potential challenges or important points to consider when conducting the described
data collection.
When conducting an experiment, there are different aspects to consider, such as the question that drives to the reseach, the hypothesis, theoretical framework, variables involved -independent, dependent, and controll-, methodology, study groups, data analisys, among others.
In the exposed example, Pincky is lacking theoretical framework, defining which are the study groups, methodology to collect data, and a description of data analysis.
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The scientific method is a research method that consists of systematic observations, measures, experimentation, analysis, and verification of a hypothesis. It is based on two aspects: reproducibility, which is the capability of reproducing the experiment in any other place by any researcher, and refutability, which is the susceptibility to be refused.
When conducting an experiment, you need to consider,
• Definition and problem statement. The question for which there is not an answer yet.
• Hypothesis formulation. A hypothesis is a scientific conjecture, not verified, that requires corroboration.
• Data collection and analysis. This step involves testing the observations.
• Results
• Verification of hypothesis. This step involves the deriving of the working hypothesis.
• Discussion and Conclusion.
Previous knowledge about the study object is always required for a better understandig. A question the investigator wants to answer. The main goal of the study, which is basically what the investigator wants to find out. The researcher makes a hypothesis to predict what is going to happen. The experiment is to be performed to answer the question. The conclusions through which the hypothesis might be rejected or accepted.
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So in this experiment there must be,
Theoretical framework, such as information about the species, life stage at which they begin chirping, about external factors that might affect it or benefit it, and etcetera.
The goal: To know how temperature affects cricket´s chirping
Hypothesis: Crickets chirp less frequently under cold temperature than under warm temperature.
Variables: Temperature → Independent
Chirp frequency → Dependent
Water and food supply, light exposure, refuge → Controlled
Study groups: group of crickets exposed to a warmer temperature
group of crickets exposed to a colder temperature
Methodology: Individuals analyzed should be in the same development stage, or at least be sexually mature. Two groups of 10 individuals each should be placed under the same conditions, excepting for temperature. One of the groups should be exposed to warmer temperatures and the other one to lower temperatures. Chirps should be recorded for a week.
Data analysis: Using the chirps records, the frequency can be measured for each group. Results should be compared using different statistical analyses.
Results: Results should be clearly exposed, using texts, charts, and graphs.
Discussion and Conclusion: Hypothesis acceptance or rejection. Discussion about the expected results against the observed ones.
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Related link: https://brainly.com/question/17645242
biological term for control of the body temperature
I need help dose anyone know
Select the correct answer from each drop-down menu. Some plants rely on the wind to reproduce. An example is the . It’s important for plants to use the forces of nature to reproduce because they .
Answer:
white tuft of dandelion seeds
They cannot move around freely
I hope this helps
Which statement below is accurate? Red blood cells placed in a hypertonic solution will become lysed Plant cells in an isotonic solution will become lysed. Red blood cells in a hypertonic solution will become crenated Plant cells in a hypertonic solution will be turgid.
What is the division of a cell's cytoplasm
called?
A. Cytokinesis
B. Mitosis
C. Telophase
D. Telokinesis
Answer:
A
Explanation:
because in this phase cytoplasm division happened
Answer:
i think answer is Cytokinesis
Earthquakes sometimes occur when
. Some underwater earthquakes shake the ocean floor and cause large sea waves that destroy property and threaten lives. Such a sea wave is called
.
Answer:
A Tsunami
Explanation:
Answer:
Earthquakes sometimes occur when a divergent boundary abruptly reverses roles to become a convergent boundary. Some underwater eartquakes shake the ocean floor and cause large sea waves that destroy property and threaten lives. Such a sea wave is called a tsunami.
Explanation:
PLATO
When a pathogen is growing and multiplying within or on a host (which may or may not result in overt symptoms) this is known as a(n) ______. Multiple choice question. infection latent infection infectious disease opportunistic infection
Answer:
Infection would be the answer for the blank
Where are "genes" located in a eukaryotes cell?
Explanation:
Genes are contained in chromosomes, which are in the cell nucleus
Answer:
in the dna? im not sure
Explanation:
