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Answer:

phospholipids

Explanation:

The only molecule that contains both polar and non-polar regions from the ones given are phospholipids.

Answer:

These paintings are hard to maintain. Ancient mural paintings are exposed to an assortment of distortions brought about by natural impacts, changes in temperature and humidity, as well as contamination and by human ignorance to preserve the monuments without knowing their value.

Photosynthtic and multicellular correctly describes distinguishing characteristics of the Kingdom Plantae.

Kingdom Plantae includes all the plants. They are eukaryotic, multicellular and autotrophic organisms. The plant cell contains a rigid cell wall. Plants have chloroplast and chlorophyll pigment, which is required for photosynthesis.

They are non-motile. They make their own food and hence are called autotrophs. They reproduce asexually by vegetative propagation or sexually. These are multicellular eukaryotes.

Kingdom Plantae is broadly composed of four evolutionarily related groups: bryophytes (mosses), (seedless vascular plants), gymnosperms (cone bearing seed plants), and angiosperms (flowering seed plants).

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Answer:

A bacterium would be the best choice in this case

Explanation:

Bacteria are small, single-celled organisms which reproduce quickly and easily; it is made of only one cell, it reproduces every 20 minutes, it does not make people sick, it cannot survive outside the lab, etc.

Among the options given, the best choice for a genetic transformation is implemented for a bacterium. Thus, the correct option for this question is A.

Transformation may be defined as a process of horizontal gene transfer through which some bacteria take up foreign genetic material (unaided DNA) from the environment. This technique was first reported in Streptococcus pneumoniae by Griffith in 1928.

The population of bacteria utilizes three techniques in order to reproduce and permits genetic variations. They are conjugation, transformation, and transduction. Bacteria are small, single-celled organisms that reproduce quickly and easily in nature.

Transformation is the genetic alteration of a cell resulting from the direct uptake and incorporation of exogenous genetic material from a surrounding atmosphere.

Therefore, the best choice for a genetic transformation is implemented for a bacterium. Thus, the correct option for this question is A.

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Answer:

eukaryotic and prokaryotic cells.

Answer:

Cilia have several possible sensory functions, especially when part of nerve cells, and they may not move at all. Cilia are found only in eukaryotes while flagella are found in both eukaryotic and prokaryotic cells.

Explanation:

Answer:

Short growing seasons

Explanation:

Short growing seasons would be the right answer, as the limited rainfall in the form of liquid water, with the extreme climates would make it the only viable option.

Answer:

structure A is called the Cristae

Answer:

Diffusion

Explanation:

Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

The answer would be C

Whenever you have joint or ligament pain during an exercise you have to stop because you don't want to cause permanent damage.

If it continues hurting, see a doctor to prevent damage.

Answer:

8 chromosomes

Explanation:

Mitosis is the process whereby a cell divides into two identical copies of itself. This genetical identity emanates from the fact that the daughter cells possess the same kind and number of chromosomes as the parent cell.

Hence, a nucleus that has eight (8) chromosomes during interphase will possess 8 chromosome in each daughter cell at the end of mitosis. Mitosis, which consists of stages, duplicate its DNA at the interphase stage but do not increase the chromosome number. Sister chromatids are formed for each chromosome, which separate during anaphase stage, and become individual chromosome in each daughter cell.

In this case, 8 chromosome are still formed at interphase but 16 sister chromatids. These chromatids separate equally into each daughter cell i.e 8 in each cell to become individual chromosomes.

Answer:

Explanation:

The history of humanity from the initial appearance of genus Homo over 2,000,000 years ago to the advent and expansion of the modern human bieings that we are today evoled   from many  years ago some say from the begining of time— it is connected to climate variation and change. Human biens  has experienced nearly two full glacial-interglacial cycles, but its global geographical expansion, massive population increase, cultural diversification, and worldwide ecological domination began only during the last glacial period and accelerated during the last glacial-interglacial transition. The first bipedal apes appeared in a time of climatic transition and variation, and Homo erectus, an extinct species possibly ancestral to modern humans, originated during the colder Pleistocene Epoch and survived both the transition period and multiple glacial-interglacial cycles. Thus, it can be said that climate variation has been the midwife of humanity and its various cultures and civilizations.

Answer: involve rapid, nonlinear, reactions of ice volume, CO2, and temperature to external astronomical forcing. The precise timing of events may be modulated by millennial‐scale climate change that can lead to a contrasting timing of maximum interglacial intensity in each hemisphere. A variety of temporal trends is observed, such that maxima in the main records are observed either early or late in different interglacials. The end of an interglacial (glacial inception) is a slower process involving a global sequence of changes. Interglacials have been typically 10–30 ka long. The combination of minimal reduction in northern summer insolation over the next few orbital cycles, owing to low eccentricity, and high atmospheric greenhouse gas concentrations implies that the next glacial inception is many tens of millennia in the future.

1 Introduction—Interglacials of the Last 800 ka

Earth's climate of the last 800 ka (1 ka = 1000 years) is the latest stage in a slow cooling that has been in progress for the last ~50 Ma (1 Ma = 1 million years) [Zachos et al., 2008]. During this cooling, ice sheets formed on the Antarctic continent ~40 Ma ago, while the first signs of Northern Hemisphere (NH) glaciation appeared much more recently. Only at the start of the Quaternary Period and the Pleistocene Epoch, ~2.6 Ma ago, did alternations between cold glacial periods with ice on the NH continents, and warmer intervals with little or no NH continental ice, first appear, reflected in the appearance of ice‐rafted debris

Explanation:

9:3:3:1

Explanation:

thats just the rule for the classic Mendelian ratio for a dihybrid cross

Answer:

eukaryotic energy pathway

Explanation:The first process in the eukaryotic energy pathway is glycolysis, which literally means "sugar splitting."

Answer:

Sections of the Earth's crust that move laterally past, away from, or slide under other plates.

Explanation:

Answer:

Explanation:

Sections of the earth's crust that move laterally past, away from, or slide under othe plates.

I took the test and it was wright

Answer:

A. Seafloor splits open creating a large trench

Explanation:

I hope this helps

Answer:

it is D/  Location A, because the lighter oceanic plate will be pushed under the continental plate

Explanation:

Answer:

3. they are not numbered in a karyotype

Explanation:

they are not listed by number they are listed by size

Answer:

3. They are not numbered in a karyotype.

4. They determine the sex of an organism.

Explanation:

Answer:

Deforestation

Human Overpopulation

overfishing

Ozone depletion

Explanation:

Answer:

ALL OF THE CHOICES

Explanation:

Answer:

all choices

Explanation:

coz

Answer:

I would say cell membrane

Answer:

loss of farmland

Explanation:

Answer:

D) Hemoglobin

Explanation:

The part of the blood that carries oxygen is hemoglobin.

The amount of hemoglobin in your blood can be measured using a hemoglobin test. Red blood cells include a protein called hemoglobin, which distributes oxygen to your body's organs and tissues while returning carbon dioxide to your lungs.

A low red blood cell count indicates a low hemoglobin level, which can be determined by a hemoglobin test (anemia). Vitamin deficiencies, hemorrhage, and chronic disorders are just a few of the numerous potential causes of anemia.

If a hemoglobin test reveals a higher-than-normal level, there are a number of possible explanations, including the blood condition polycythemia vera, high altitude living, smoking, and dehydration.

Therefore, The part of the blood that carries oxygen is hemoglobin.

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Answer:

C.38

Explanation:

During aerobic cellular respiration, one molecule of glucose is broken down in the presence of oxygen to produce approximately 38 molecules of ATP. Light energy is converted into chemical energy in the process of photostnthesis- the resulting carbohydrate moecule incorporates linorganic carbon, and water to produce oxygen and glucose.

ATP or adenosine trohosphate is a high energy molecule, used as a type of energy currency in cells. In respiration, glucose is converted to pyruvate- this molecule's derivatives are then oxidized and reduced to harvest energy as ATP.

C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP

glucose+ oxygen →  carbon dioxide+ water+ energy

Answer:

walks

Explanation:

The answer is walks because, birds fly while lions walk on the legs

Answer:

the answer is 3.2 x 10⁴

Explanation:

The Polymerase Chain Reaction (PCR) is a technique widely used in molecular biology to exponentially amplify a specific DNA sample from a small amount of DNA. For this purpose, the PCR technique uses: 1- a DNA polymerase enzyme in order to synthesize new DNA copies and 2- one pair of DNA oligonucleotides (primers) which are complementary to the ends of the target DNA sequence. During each round of PCR, the double-stranded DNA template is unwound and each strand is used to synthesize a new DNA strand, thereby forming two new double-stranded DNA molecules. In consequence, each round of PCR doubles the amount of DNA.

Answer:

Hydrolysis

Explanation:

Hydrolysis is a reaction that needs water to breakdown macromolecules into simpler units.

Macromolecules are giant polymers made up of several repeating monomeric units.

Answer:

water sunlight air and vaiabilty

Answer:

water sunlight air and vaiabilty

Explanation:

Answer:

B :))

Explanation:

Answer:

more stability

Explanation: