PLEASE HELP MEE

1.___-they speed up chemical reactions

2.___-they only catalyze specific reactions with specific substrates, like a lock and key.

3.___-slight changes in oH or temperature can cause then to stop working

the observable traits expressed by an organism are described as its phenotype.

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a)

Actual diameter = 0.007 mm

Diameter of scaled diagram = 2.3 cm = 23 mm

Formula to use:

Magnification = scaled dimension/actual dimension

Magnification = 23/0.007

Magnification = 3285.714... → x3286

b)

Red blood cells (RBCs), otherwise known as erythrocytes, don't have nuclei and organelles such as mitochondria, are smaller than WBCs and have a biconcave disc shape ideal for purpose

c)

i.

RBCs transport oxygen inhaled into the lungs around the body to all tissues and organs

ii.

RBCs are void of organelles so they are maximally packed with haemoglobin to bind and transport oxygen;

The biconcave disc shape is ideal for flowing through the blood vessels, particularly the capillaries, optimising them for transporting oxygen;

The small size also helps in being able to circulate the vasculature effectively and successfully

a)Actual diameter = 0.007 mm

Diameter of scaled diagram = 2.3 cm = 23 mm

Formula to use:

Magnification = scaled dimension/actual dimension

Magnification = 23/0.007

Magnification = 3285.714... → x3286

b)Red blood cells (RBCs), otherwise known as erythrocytes, don't have nuclei and organelles such as mitochondria, are smaller than WBCs and have a biconcave disc shape ideal for the purpose.

c)i.RBCs transport oxygen inhaled into the lungs around the body to all tissues and organs

ii.RBCs are void of organelles so they are maximally packed with haemoglobin to bind and transport oxygen;

The biconcave disc shape is ideal for flowing through the blood vessels, particularly the capillaries, optimising them for transporting oxygen;The small size also helps in being able to circulate the vasculature effectively and successfully.

Thus, these are the answer.

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I think the answer to this is true, but I'm not really for sure

In a freshly burnt forest, primary consumers will compete for forages with themselves.

Primary consumers are organisms that feed on producers.

When a forest is lost to fire, most of the plants (the producers) are lost.

Thus, primary consumers will compete heavily for the few plants that are left among themselves.

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In a freshly burnt forest, primary consumers will compete for forages with themselves.

Who are Primary consumers?

When a forest is lost to fire, most of the plants (the producers) are lost. A major energy pathway is eradicated, reducing system productivity and shifting importance to energy supplied by primary producers.

Thus, primary consumers will compete heavily for the few plants that are left among themselves.

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A. These signals have been calibrated against actual visual and location readings for the amount of rain falling and cloud water content.

B. Reflectivity of an object helps indicate the amount of water that a cloud may carry. The stronger the reflected signal from the radar signal sent out, the easier the meteorologist will be able to tell what to expect.

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Answer:

the first blank is biodiversity. I think like that

The place where a group of organisms lives is called the habitat. The combination of the community and habitat is called the ecosystem.

An ecosystem is basically the neighborhood where animal lives. The habitat is the animal's address in that neighborhood. Some animals can survive in more than one habitat. Other animals are limited to certain habitats. For example, moose habitat is more specific than gray squirrel habit.

Moreover, ecosystem is defined as the interrelationships between the biotic and abiotic component of the environment. Whereas habitat is defined as the natural environment in which a particular species of plants and animals lives.

Therefore, a habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce.

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Answer:

D

Explanation:

Answer:

D

Explanation:

Microorganisms decompose waste.

Answer: I’m am pretty sure the answer is microorganisms decompose waste.

Explanation:

Answer:

The nitrogen bases in DNA code for the sequence of amino acids that make

up a protein

Explanation:

Answer:

a. Ventilation

Explanation: post protected

Answer:

Genes

Explanation:

The hereditary information (inherited information) is contained in genes, located in the chromosomes of each cell.

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  I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Answer:

c. PID can result in having problems getting pregnant later in life.

Explanation: is correct. post protected

Answer:

that's what I'm saying dawg

I am here to give the brainiest answer not to get points

Answer: yes

Answer:

It allows the observer to view how far the DNA samples travel.

Explanation:

It was an answer on a test I just got back.

Answer:

Answer: Maintain body homeostasis with electrical signals.

Explanation:

Your nervous system is your body's command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing.

Lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air)

Answer:

when blood is pumped out of the heart into the arteries.

Explanation:

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For plants, light is an external stimulant. Phototropism is a response to light that plants have. The plant responds by orienting its growth in the direction of the light.

A stimulus is an occasion or any change in the environment that causes an organ or tissue to have a certain functional response.

An external or internal trigger is possible. Sensitive to external stimuli like sound and touch are sense organs like the ear and sensory receptors like those in the skin.

Direct one-to-one stimulus-response reactions are the most basic sort of response. The stimulus is a change in the environment, and the response is how the organism responds to it.

A stimulation that comes from outside the organism is known as an external stimulus. Light is one example of an outside stimulation. Although it comes from outside the body, it has an impact there as well.

Thus, it can be concluded that light is an external stimulus.

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Answer: Telophase I is the ending phase of the first division of meiosis which would split the parent cell into two daughter cells while telophase II is the ending phase of the second division of meiosis which would split the two daughter cell into four daughter cells and resulting in the end of the process.

Answer:

Most of the cholesterol molecule in non-polar and therefore associations with the non-polar fatty acid tails of the phospholipids. However, the hydroxyl group (-OH) on cholesterol carries a negative charge and therefore associates with the polar environment of water either inside the cell or outside.

Explanation:

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Answer:

Cholesterol is very non-polar, except for the hydroxyl group attached to the first ring.

Explanation:

Answer: C

Explanation: Water is a polar molecule because the electrons of the hydrogen atoms get "pulled" towards the electrons of the oxygen atom. Which is both positive and negative on opposite ends.

It could be B as well but, I believe it's C

Answer:

Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.

Explanation:

because it's overall final fee energy value is less than it's initial, meaning that it has a negative free energy amount. therefore, there is a net release of energy in cellular respiration, so we know it releases more energy than it invests into the bonds of its products.

Answer:

The is B eukaryotic because it have nucleus and other organelles like mitochondria and others

Guard cells control the opening and closing of the stomata in plant cells.

Therefore, Guard cells function to control the opening and closing of the stomata in plant cells.

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Answer:

Troposphere

Explanation:

Almost all weather occurs in the lowest layer of the atmosphere, called the Troposphere. The exception being large storms like hurricanes and large Thunderstorms. These storms have clouds with great vertical development and the tops of these storms go into the Stratosphere.