The growth and development of an organism are dependent on the control and coordinated activities of the cells, tissues, and organs.
The correct blanks for the given paragraph are:
In multicellular organisms, cell growth and division are very controlled. Some cells like muscle and nerve cells stop dividing after maturity. Other cells like Skin and blood cells grow and divide rapidly through life. Cyclins are proteins that regulate the timing of the cell cycle, "telling" the cell when to divide. If cells stop responding to regulation, uncontrolled cell growth can lead to cancer.
The statements can be explained as:
The muscle and nerve cells stop dividing after maturity. The nerve cells lack centrioles, which play a crucial role in the division of cells. Thus, the nerve and muscle cells do not divide. The skin and blood cells divide continuously and throughout life. The cells when are damaged or dead, these cells replace them. Cyclins are the proteins, which regulate and activate the cell cycle by binding with the cyclin-dependent kinases.Cancer is repetitive and uncontrolled cell growth. It can be caused due to failure of regulation of cell cycle or any carcinogen exposure.
Therefore, the correct answers are nerve, skin, cyclin, and cancer.
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Describe how energy flows through an energy pyramid? Write your answer in the space provided below.
Answer:
Depending on the food pyramid, on the side there may be something that says decomposers. These eat from all of the sections of the pyramid.
Energy flows from the bottom to the top, and then to the side with the decomposer.
The exchange of carbon dioxide and oxygen during Photosynthesis and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at what level
Answer:
Stable levels....Explanation:
The exchange of carbon dioxide and oxygen during photosynthesis (Figure below) and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels. Cellular respiration and photosynthesis are direct opposite reactions.
hope it helps youpls mark me as branliestProblem A
A yellow purebred dog is crossed with a a black hybrid dog
(black is dominant)
in which direction do particles in a solution move during passive transport
During the passive transport, the particles move from a higher concentration to a lower concentration without the need for energy expenditure or spending. The passive transport is seen in the cell too.
What is the importance of the different types of transportation?In the cell, different types of transport are seen, such as active transport and passive transport; in active transport, energy is used, while energy is not used in passive transport. The movement of molecules across the cell plasma membrane is important because it allows cells to get rid of unwanted molecules. Passive transport does not require energy, and many nonpolar small molecules and gases can cross the lipid plasma membrane barrier and go into and out of the cell while, in this passive transport process, they save the cell's energy.
Hence, during the passive transport, the particles move from a higher concentration to a lower concentration without the need for energy expenditure or spending.
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what is the difference between sexual and asexual reproduction for plants and animals?
Answer:
That is the main difference between sexual and asexual reproduction. Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.
Environmental catastrophes can cause changes to the Earth’s surface.
Please select the best answer from the choices provided
T
F
Answer: true
Explanation:
edge
Phylum Mollusca has organisms with tubed feet.
Answer:
The phylum of mollusks includes more than 50000 known species, found in freshwater ... Echinoderms have a water vascular system originally used to collect and ... by expanding or contracting their rows of tube feet in a particular sequence.
Explanation:
true
A 100 kg box is initially at rest on a level surface. One 10 N force acts on the box , directed toward the right. A second 10 N force acts simultaneously on the box , directed toward the left , as shown.
Since 10 N forces are acting from both sides, these are balanced forces and the box will not move because balanced forces are acting on it. So the correct option is D.
What are balanced forces?Forces that are equal in magnitude and opposing in direction are said to be balanced forces. Equilibrium is seen as a condition of balanced forces. There is no shift in direction when the forces are in balance.
Balanced combined forces have always been equal to zero. These are vectors for merging. Balance forces cannot alter an object's momentum or direction.
An item is kept traveling at a constant speed by a balanced force. In it, Newton's First Law of Motion is explained. A good illustration of a balanced force is a book on the table. The normal force (support force) of the table balances out the weight of the book. The two forces are exactly equal and opposed to one another.
While forces that are balanced can keep an item at rest or move at a steady speed, unequal forces can cause things to accelerate.
Therefore the correct option is D.
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What number go in each circle ?
What number go in both circle?
Answer:
1 goes in the middle of all of the circles. 2 goes in animal cell. 3 goes in plant cell. 4 goes in between animal and plant cell. 5 goes in The middle of all of the circles. 6 goes in the middle of all of the circles. 7 goes in the bacteria circle. 8 goes in bacteria. 9 goes in bacteria.
Also:
8 and 9 I'm not completely sure of. Let me know if I'm wrong. Good Luck! :D
Which of the following is not a factor that affects biodiversity?
a - land area
b- climate
c- diversity of niches
d- cancer fighting drugs
Answer:
B. duhhhh
Explanation:
When you see wood burning, what evidence do you observe that a
chemical change is happening? Click ALL that apply.
Answer: It's heat given off
Explanation:
Which type of energy
does respiration release?
chemical
thermal
potential
kinetic
Answer:
Respiration releases energy it is an exothermic process. The energy is stored in molecules of ATP . ATP can be broken down in other processes in cells to release the stored energy.
chemical
which cell stucture is responsible for the passage of material into and out the cell
about artificial selection, determine if YOU think the benefits of artificial selection outweigh the disadvantages.
PLEASE HELP!!!!
Answer:
What YOU think
Explanation:
That's what it asks, but here are some points to help you along your way: Artificial selection has brought about the extinction or overpopulation of certain species. This can be seen in the avocado or banana industry. Consumers like the smaller, sweeter species of avocadoes. This caused that species to explode and the old ones to become endangered as farmers grew only that type and bred them selectively. Consumers like the smaller, less mushy, less sweet banana species, so now an amazing species of banana is extinct because the forests that used to have them now no longer exist or were changed to grow only that type of banana. Flip it to the animal side, and it's the same story. Those turkeys that the president "Saves" every year? because of artificial selection, that turkey dies a few weeks later because he grew too plump. Why? Because those turkeys are artificially selected to grow much larger than a normal turkey, and their lifespan is not in mind as they are grown for meat. Also, I hope all of this work gives me brainliest :/
For each codon, find the correct tRNA anticodon and drag it to the ribosome. Start with the AUG codon
in the ribosome. Find and drag its match, the UAC anticodon, to it. Also, record this pair and the
associated amino acid, Met, to complete the first row of the data table.
PLEASE HELP I DONT KNOW HOW TO DO THIS AT ALL
Drag the correct tRNA anticodon into the ribosome. Therefore, A matches U and C matches G.
What is the UAC anticodon?The Ribosome Workbench uses the AUG codon as a universal signal to initiate translation. Because the methionine-bound tRNA has the anticodon sequence UAC, the AUG start codon signals the ribosome to insert into the amino acid methionine.
What is the correct tRNA anticodon for the mRNA codon 5 GGA 3?1 One codon is 5'-ACG-3'. What is the sequence of tRNA anticodons that bind? Which amino acids does tRNA have? The sequence of the tRNA anticodon is 3'-UGC-5', and the tRNA has the amino acid Thr, the amino acid encoded by the codon.
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you get brainliest if you answer right
Answer:
Br, Zn, Sc, Ca, K
Explanation:
ez
What binomial nomenclature? A two-word name for organisms where the first word is the family and the second word is the species
A two-word name for organisms where the word is the genus and the second word is the species
A two-word name for organisms where the first is the genus and the second word is the class
A two-word name for organisms where the first word is the species and the second word is the genus
Answer:
A two-word name for organisms where the word is the genus and the second word is the species
Explanation:
Binomial nomenclature is the system biologists use to name species of living beings. When we translate this term, we get the two-name naming system. This tells us a lot about how species are named - their name consists of two components. The first component is the name of the genus the species belongs to and the second is the name of the species. For example, the scientific name used for cats is Felis catus. Felis is the genus and the species is catus.
"CRISPR" stands for Clustered Regularly Interspaced Short Palindromic Repeats, which are the hallmark of a bacterial defense system that forms the basis for CRISPR-Cas9 genome editing technology. In the field of genome engineering, the term "CRISPR" or "CRISPR-Cas9" is often used loosely to refer to the various CRISPR-Cas9 and -CPF1, (and other) systems that can be programmed to target specific stretches of genetic code and to edit DNA at precise locations, as well as for other purposes, such as for new diagnostic tools. How can this tool be used to alter genes in various organisms?
Answer:
by designing short guide RNAs (sgRNAs) customized to target genes of interest in the cells of these species
Explanation:
The CRISPR-Cas9 editing system is a versatile and powerful genome engineering tool for editing genomes, which can be directed to alter almost any DNA sequence in order to modify gene function. This system consists of an endonuclease protein (Cas 9) that cuts DNA at specific sites guided by a short guide RNA (sgRNA), which binds by base complementarity to the target sequence. This sgRNA must be designed with efficiency and specificity to target genes of interest. In consequence, the CRISPR-Cas9 genome editing system produces DNA double-strand breaks which may be repaired by 1- error-prone nonhomologous end joining (NHEJ) or 2-homology-directed repair (HDR) DNA repair pathways. According to the DNA repair pathway that has been activated, it is possible to trigger genetic modifications in the cells of different species (i.e., plant cells, animal cells, human cells, etc).
do all DNA from organisms look the same?
Answer:
no they do not
Explanation:
Explain how specific proteins are formed from a strand of mRNA.
Answer:
During translation, ribosomes move along an mRNA strand, and with the help of proteins called initiation factors, elongation factors, and release factors, they assemble the sequence of amino acids indicated by the mRNA, thereby forming a protein.
Explanation:
Answer:
Explanation:
Los ARN mensajeros, también conocidos como ARNm, son uno de los tipos de ARN que se encuentran en la célula. Éste en particular, como la mayoría de los ARN, se sintetiza en el núcleo y luego se exporta al citoplasma, donde la maquinaria de traducción, la maquinaria que realmente fabrica las proteínas, se une a las moléculas de ARNm y lee en ellas el código para producir una proteína específica. Así que en general, un gen, el ADN de un gen, puede ser transcrito en una molécula de ARNm que puede acabar dando lugar a una proteína específica.
Someone help me pleaseee with the answers to both of em
An air mass that originates over land in Central America is most likely
Answer:
An air mass that originates over land in Central America is most likely warm & dry.
Explanation:
Answer:
Warm and Dry
Explanation:
A P E X answer
how can the amino acid sequence determine the characteristics of an organism?
Answer:
\/(*^*)\/
Explanation:
Which of the following is not a technological way of improving air quality?
a.
using electrostatic precipitators
b.
installing solar panels
c.
composting
d.
building wind turbines
Answer:
c.
composting
Explanation:
Composting is not a technological way of improving air quality (Option C).
What is air quality?Air quality refers to the absence of pollutant substances (e.g. monoxide carbon) in the air.
Air quality is fundamental for maintaining overall health and increasing the quality of life.Air quality can be measured by using different devices or indicators (for example, by measuring the amount of carbon monoxide and nitrogen oxides).In conclusion, composting is not a technological way of improving air quality (Option C).
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Help plz! To identify a species, you must first do what?
Answer:
look at the animal and or fossil and relate it to others
Explanation:
Answer:
To identify the species you must first need to find following things -
I) whether the organisms is unicellular or multicellular
ii) Mode of nutrition
iii) Place where it lives
if) Body structure.
Studying which of the following would provide the best evidence that two organisms share a common ancestor?
A: Amino acid sequence
B: Dietary preferences
C: Habitat requirements
D: Social group interactions
Answer:
A
Explanation:
Studying amino acid sequences would provide the best evidence that two organisms share a common ancestor.
Amino acid sequence is a series of bases with different letters usually four(A T C G or U) this letter contains information of an individual when translated.
The amino acid sequence of 2 or more individuals can be compare to each other through the process called Blasting using a tool called Blast
Blast generates alignments or similarities between a amino acid or protein sequence.For organisms that are phylogenetically close i.e related by an ancestor, there will be similarities between their DNA sequences when compared. The amino acid sequence of an individual contains the information of the individual and it is unique for each individual.
Hence, amino acids sequence provides the best evidence of organisms sharing a common ancestor.
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How many neutrons does this atom have?
4
6
10
14
Answer:
I believe there are 6
Explanation:
Protons are the positively charged circles (blue)
Neutrons are the Neutral (red)
and the others (green) are called electrons
Of the alternate energy sources you have learned about, which one do you think is the most likely to become a part of our country's future. Why do you feel this way?
Answer:
probably water wheels
Explanation:
answers plz???????!!!!!!!!
Answer:
first blank is two, second blank is four
Explanation:
Mitosis results in two genetically identical cells.
Meiosis results in four sex cells.
olha nao dissseste a perguntaaa
A student observes that a plant has droopy leaves and stems and infers that the rate of photosynthesis has slowed in the plant. Which statement provides evidence to support the student’s inference?
Answer:
A. The water pressure in the plant's vacuole is low, and without water, the chloroplasts cannot convert carbon dioxide to glucose during photosynthesis.
Explanation:
Photosynthesis occurs on chloroplasts which are located on the surface of leaves. Photosynthesis is the conversion of carbon dioxide, water, and light energy to produce glucose and oxygen for plants.
The vacuoles inside the plant's cell contain stored food and absorb water through osmosis. Water in the vacuole has more solutes than water outside the vacuole. This causes the Turgor Pressure which the vacuole impacts on the plants. If the reverse becomes the case, water is lost from the vacuole causing it to shrink.
Flaccidity of the vacuole and the cell wall will cause the chloroplasts where photosynthesis occurs to shrink.
