What happens when a population reaches its carrying capacity

Answer:

Advances in DNA technology have allowed for treatments such as gene therapy in the medical field. Nowadays, there are tools like the CRIPSR-Cas9 - harnessed from bacteria's immune system- that can nip a ‘bad’ region of DNA, which is responsible for disease, and replace it with a proper functioning bit. This is how genetic disorders are going to be addressed in the near future in mainstream medical facilities.

Recombinant DNA technology is being used to create clones of transgenic organisms that produce products of significance in the medical fields. An example is incorporating the insulin gene in bacteria genome. These clones of modified bacteria colonies secrete insulin protein that is purified and injected in diabetic persons to lower their sugar level to normal.

Answer:

The answer is TRUE. :)

Explanation:

Bernoulli’s Principle, a key concept in physics, illustrates how birds fly. The principle explains that faster-moving air applying less pressure than slower-moving air. This difference in air pressure above and beneath a bird's wings creates lift, enabling flight.

Bernoulli’s Principle, a concept in physics, explains how birds can fly by demonstrating how air pressure works. According to the principle, when a fluid (in this case, air) moves rapidly, it has lower pressure. Therefore, when a bird flaps its wings, it creates high-speed airflow over the top surface of each wing, resulting in lower pressure above. On the contrary, the air flow is slower beneath the wings, resulting in higher pressure. This differential pressure leads to lift, enabling birds to fly.

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Gene variants that arise by mutation and exist at the same relative locations on homologous chromosomes are called alleles. Heterozygosity and homozygosity refer to individuals having two different or identical alleles of a gene on their homologous chromosomes, respectively.

Gene variants that arise by mutation and exist at the same relative locations on homologous chromosomes are called alleles. In diploid organisms, two different versions of a gene on their two homologous chromosomes result in being heterozygous for that trait. Conversely, when an organism has two identical alleles of a gene on their two homologous chromosomes, they are considered homozygous for that trait.

Answer:

no

Explanation:

actually cells are the smallest unit if life and there so small that you need a microscope to see them so they can't be the size of an elephant

A cell could theoretically grow to the size of an elephant, but it would not be practical due to the decrease in the cell's surface area to volume ratio. This would prevent efficient nutrient uptake and waste removal, resulting in cell death.

In theory, a cell could grow to an extremely large size. However, in practice, this would be highly impractical due to the surface area to volume ratio of a cell. This ratio determines how efficiently a cell can exchange materials with its surroundings. As a cell grows larger, its volume increases much more rapidly than its surface area. If a cell were the size of an elephant, this ratio would be so small that the cell would not be able to get enough nutrients or remove waste efficiently, causing it to die. Therefore, a cell could not realistically be the size of an elephant.

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Answer:

The answer is A

Explanation:

Endospores is the protective wall that helps bacteria survive unfavorable conditions.

An endospore is a dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum. Endospore formation is usually triggered by lack of nutrients, and usually occurs in Gram-positive bacteria. In endospore formation, the bacterium divides within its cell wall. It allows the bacterium to produce a dormant and highly resistant cell to preserve the cell's genetic material in times of extreme stress. Endospores can survive environmental assaults that would normally kill the bacterium.

Therefore, (A) option is the correct answer.

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Answer:

1/12

Explanation:

Formula for calculating probability:

            Probability of an outcome A =

     Number of favorable outcomes of A / Number of possible outcomes

       P ( A )  = number of favorable outcomes to A / total number of outcomes

⇒ The number of times 5 can appear when you roll the 12 sided cube once is one time   =  1

⇒ The total number of possible outcomes is 12 - meaning you can roll any number between 1 - 12 when you roll the dice once.   = 12

Therefore the probability of rolling 5  = 1 /12

 Probability = 1 / 12

hope this help and brainiest please. thx

Answer:

1/12

Explanation:

Probability is the branch of mathematics where the chance of an experiment being calculated is calculated. It is through it that one discovers the possibility of a coin making heads or tails or the chances of landing on the Moon.

To do the probability calculation, it is necessary to divide the number of probable results, by the number of possible results. In the dice game that was shown in the question above, you want side 5 of the dice to face up, this is the probable result that is equal to 1. However, there are 12 sides to the dice and any one of them can fall upwards , they are the possible results, which are equal to 12.

So we can confirm that the probability in this case is 1/12.

Answer:

Option D, TT ´ tt

Explanation:

Allele for tallnes "T" is dominant over the recessive allele "t"

The genotype of a heterozygous tall offspring will be "Tt"

When a cross is carried out between "TT " and "tt" , the following offspring are produced -

T T

t Tt Tt

t Tt Tt

All the offspring have genotype "Tt" which is a heterogyzous allele pair.

Since "T" is dominant over "t", all the alleles would be heterozygous tall.

Thus, in order to produce 100 percent heterozygous tall offspring, the cross must be carried out between "TT" and "tt".

Option D is correct

Answer:

Flight was necessary before scientist could study samples from the surface of the moon.

Explanation:

Scientist would have never been able to lift off of the ground here on Earth without the there being the first flight, nevertheless the moon haha....

Answer: flight

Explanation:which of the following technological advancements was necassary before scientists could study examples from the surface of the moon?

Answer:

T helper (CD4+): MHC I

Explanation:

T helper (CD4+) should be matched with MHC Class II while MHC Class I should be matched with T cytotoxic (CD 8+) cells. This is because T helper cells coreceptors recognize antigen presented on MHC II, to become an effector cell, while CD8+ recognize antigen presented by MHC I.

Hi,

Which of the following is true of innate behaviors that are described as instincts?

C. Instincts are sudden, situational behaviors.

Answer:

maybe A. Instincts aren't governed by genetics, while innate behaviors are.

Explanation:

I put instincts are sudden, situational behaviors and it was wrong plus the book says "behaviors that are inherited through genetics are called innate behaviors."

Answer:

B. Anything that takes up space and has mass

A group of objects and materials that are interrelated is the best definition of a system. Therefore, the correct option is A.

A system refers to a set of interconnected components that work together to achieve a common goal or purpose. Systems can be found in various domains such as science, engineering, social science, and technology. In a system, the individual components or parts are interdependent and their interactions affect the behavior of the system as a whole.

In a human body there are many systems such as the circulatory system, the respiratory system, the nervous system, the skeletal system etc. These systems work together for the overall functioning of the body effectively.Therefore, the correct option is A.

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Answer:

Tiltation of the earth

Explanation:

Seasons occur because of the tiltation of the earth and is tilted at an angle of 23.5°. The earth continuously moves around the sun in its elliptical path. Due to this, the sunlight is incident on the earth at different times causing the four types of seasons namely, spring, autumn, winter and summer.

When the earth's imaginary axis of rotation is tilted towards the sun, then the summer season occurs and the opposite side experiences a winter season. During the summer season, the earth is farthest from the sun and this position is called Aphelion whereas during winter the earth and the sun are at its closest position and this is known as the Perihelion.

Since the earth comes closer to the sun in winter, it should experience hotter weather but it experiences cold weather due to its tiltation.

The pineal gland releases the melatonin into the blood which describes an endocrine function rather than an exocrine function.  

Option C

Explanation:  

The endocrine gland releases hormones directly into blood which travels through it to reach the target organ. Whereas, the exocrine glands releases their hormones directly into the duct from which they were released to the target area except pineal gland all other gland in the options are the example of exocrine glands.

Answer:

They are know as heterozygous alleles.

Explanation:

Two IDENTICAL alleles are known as homozygous alleles.

I hope this helps you understand the difference, and as always, I am joyous to assist anyone at any time.

Answer:

heterozygous

Explain im smart

A constant supply of glucose and water ensures that plant cells have the necessary energy, raw materials, and hydration for growth, metabolism, and maintaining cell turgidity and functionality.

A constant supply of glucose and water is crucial for the cells of a plant due to their vital functions and roles in cellular processes. Here are the reasons why they are important:

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Answer:

The statement "oceanic conditions determine human activities" may be interpreted in many ways.

Oceanic conditions determine human activities in that the moon cycle influences the tide. As the moon cycle is said to greatly influence human activity, and the tide changes as the moon does, it may also be concluded that the tides have a similar influence on human activity. 

Explanation:

The way humans treat the Earth and the Ocean depends on how the ocean will be and it's conditions. If people keep producing more and more waste soon humans will be forced to put the garbage in the ocean because there will be no more room in landfills. If humans think about how there actions are affecting earth and the Ocean then there can be a big change for the better.

Hope this helps :D

P.S. this was all in my own words :)

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-A. Hazle

Answer: A true

Explanation: The glare from the other vehicles headlights can blind you for about three seonds.

Answer: Option B.

Explanation:

Chloroplast is defined as an organelle found in green plants that contains green pigment called chlorophyll responsible for the process of photosynthesis.

Chloroplasts plays an important role in photosynthesis which is to trap light energy from sunlight and convert it into carbohydrate which further used by cells in teh form of adenosine triphosphate  (ATP) and  nicotinamide adenine dinucleotide phosphate hydrogen (NADPH).

Hence, the correct option is B.

Answer:

killer T

Explanation:

helper T activates killer T cells which literally kill the virus or bacteria.  memory T are the subset of an infection.

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Answer:

helper T

Explanation:

Helper T cells destroy body cells infected by a virus or bacteria.

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Explanation:

All living things consist of cells in their bodies. There are trillions of cells in a human body. Cells form the structure of the body. Cells cannot survive on their own, because they continuously need energy to perform different functions of the body of the living things. Functions of living things may include growth, repair, reproduction, movement, etc. So cells take nutrients from the food which a living thing eats, convert those nutrients into energy and then use that energy to perform the above mentioned tasks. So Energy is needed by all living things to stay alive.

Living things need energy for growth, metabolism, reproduction, and maintenance.

Life requires energy. Growth requires energy to synthesise chemicals and develop complex structures. Energy is needed to break down foods, create ATP (adenosine triphosphate), and perform cellular functions in metabolism. Gametes and offspring require energy, whether asexual or sexual.

Maintaining body temperature, muscular contractions, nerve impulses, and organ and system function requires energy. Energy fuels biochemical reactions and physiological functions that enable organisms to survive, thrive, and perform the many life processes. Living creatures need energy to survive.

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Answer:

It is the bodies central nervous system and connects a number of peripheral nerves to the brain.it also sends out information from the brain to parts of the body.

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Answer:

Spinal cord is about 45 cm long and is present in the vertebral canal of  vertebral column. It is made up of two nervous tissue grey matter and white matter. It extends from upper atlas to lower region of first lumbar vertebra.

Through spinal cord many nerve arise which contain sensory and motor axons which perform function of signal transduction. The spinal cord performs two major functions:

1. It transmit the sensory impulse from sensory ascending tracts and motor impulse from motor descending tracts to and from the brain.

2. Helps in generating reflex action very fast by activating motor neurons present in spinal cord.

Answer:

I think its B

Because its how its determine the orientation of the DNA. ? Hope this help

Explanation:

Answer:

cell recognition components

Explanation:

glycolipids and glycoproteins function as cell recognition components in the cell membrane.

glycolipids and glycoproteins refer to lipid and proteins on the cell membrane surface that often have short carbohydrate chains protruding out from the cell surface.

glycolipids and glycoproteins function as cell recognition in the cell membrane.

In the complex mosaic structure of the cell membrane, glycolipids and glycoproteins are embedded, presenting carbohydrate chains on the extracellular surface.

These carbohydrate chains participate in cellular recognition processes, allowing cells to identify and communicate with each other. This recognition is vital for processes like immune responses, tissue development, and the maintenance of bodily functions.

Cell recognition is not only crucial in physiological processes but also in disease defense. For instance, immune cells use recognition to distinguish between the body's cells and potentially harmful invaders such as bacteria or viruses. This mechanism forms the basis of the immune response.

Conversely, glycolipids and glycoproteins do not primarily function as enzymes or pumps involved in active transport. Enzymes are typically proteins that catalyze chemical reactions, facilitating metabolic processes within the cell.

Active transport involves specialized proteins (pumps) that move molecules across the membrane against their concentration gradient, requiring energy.

Furthermore, they are not the exit points for water passing out of the cell by osmosis. Osmosis, the movement of water across a semipermeable membrane, is regulated by specific proteins like aquaporins.

These proteins create channels for controlled water movement, playing a critical role in maintaining cellular hydration and osmotic balance.

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Answer:

The DNA has one strand while the RNA have two complementary strands, similar to the DNA found in all cells.

Explanation:

RNA molecules are single-stranded but show extensive intramolecular base pairing. This base pairing creates a predictable three-dimensional structure that is essential for the function of RNA.

RNA molecules are single-stranded, unlike the double-stranded DNA. However, most types of RNA show extensive intramolecular base pairing between complementary sequences within the RNA strand, creating a predictable three-dimensional structure. This structure is essential for the function of RNA.

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Answer:

[tex]0.43[/tex]

Explanation:

Given -

Allele for long  legs is dominant, and is represented by p

Allele for short  legs is recessive, and is represented by q

Given , 33 of 100 organisms have short legs

According to hardy Weinberg's equilibrium equation -

[tex]p^2+2pq+q^2=1[/tex]

Here [tex]q^2[/tex] represents the frequency of species with short legs.

Thus,

[tex]q^2 = \frac{33}{100} \\= 0.33[/tex]

Hence, frequency of recessive allele "p" is equal to

[tex]q = \sqrt{0.33}\\ 1= 0.57[/tex]

As we know

[tex]p+q=1\\p= 1-q\\p= 1-0.57\\p = 0.43[/tex]

Answer:

The answer is p=.43

Explanation:

AP3X

Answer:

calorie

Explanation:

gram is weight carbohydrate is a type of food

Answer:

Tropical deserts

Explanation:

Tropical deserts receive the highest insolation.

Answer:

tropical ️️Ex

Explanation:

Answer:

The correct answer is option B- Dicot stem.

Explanation:

The vascular tissues in the dicot stem are present in the ring form with pith concentrated at the centre of the stem with xylem and phloem separated by the vascular cambium. This type of arrangement with xylem, phloem, pith with no leaf gaps is known as "eustele" which is a characteristic feature of dicot stem.

Since the given diagram shows the ring arrangement of vascular bundles,  therefore, the correct answer is option B.

In the dicot stem, the vascular bundles are arranged in a ring, with pith concentrated at the core of the stem, rather than being scattered throughout the plant interior. In each vascular bundle, the xylem and phloem are separated by a substance called vascular cambium.

Answer: Cerebellum

Explanation:

Answer:

The Cerebellum

Explanation:

This part of the brain is responsible for many aspects of controlling the body but most notably this section controls coordination, movement, balance, posture and most motor skills.