If we were measuring the mass of Professor Tesfay, the most appropriate unit to use would be

Answer:

Yes That Is True!

Explanation:

Answer:

Cardiac muscle tissue works to keep your heart pumping through involuntary movements. This is one feature that differentiates it from skeletal muscle tissue, which you can control. It does this through specialized cells called pacemaker cells. These control the contractions of your heart.

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Answer:

The number of protons in the nucleus of an atom is equal to the atomic number

the number of electrons in a neutral atom is equal to the number of protons

Explanation:

Answer:

For both protons and electrons, you need to use the atomic number.

Answer:

B. Water is a versatile solvent

Explanation:

Water is said to possess certain properties that gives it its unique attribute. These properties make it a vital component of life as it makes certain phenomena possible. According to this question, water, which makes up majority of urine content, aids the excretion of certain wastes such as nitrogenous molecules from the body.

Water is able to aid in this excretory function due to its VERSATILITY AS A SOLVENT. Water is said to dissolve more substances than any other solvent. This allows it to transport dissolved substances including waste products out of the body.

The statement that represents an incorrect characteristic of enzymes is as follows;

Thus, the correct option for this question is D.

Enzymes may be defined as the type of biocatalysts that significantly increase the rate of a chemical reaction without being changed in the overall process. It is thought that all cellular reactions and processes are mediated by enzymes.

Enzymes include a number of characteristics. Some of them are most of the enzymes are proteins. They are highly specific. They exhibit enormous catalytic power.

The substrate is the substance upon which the enzyme acts. The induced-fit or lock-and-key model describes how enzymes work. The temperature and pH directly affect the efficiency of an enzyme.

Therefore, the correct option for this question is D.

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Answer:

energy to live should be right

Answer:

Protein X would be ultimately present in the subcellular fraction containing membrane fragments

Explanation:

It is possible to trace the synthesis and transport of a membrane protein by the following steps:

1- The amino acids of the membrane protein are joined together in the ribosome to form a polypeptide chain (in this case, the protein X).

2- A signal sequence of the growing polypeptide produces the binding of the ribosome to the membrane of the endoplasmic reticulum (ER) and the insertion of this polypeptide chain into the ER.

3-The protein is released into a vesicle from the ER to be exported to the Golgi complex.

4- The membrane protein is transported by the Golgi complex to the cell membrane by the formation of a secretory vesicle that fuses with the plasma membrane, thus being finally embedded in the lipid bilayer.

Protein X should be present in the subcellular fraction that comprise of membrane fragments

The fraction that should be measured the protein X:

Here the synthesis should be traced and the membrane protein transport should be applied by using the following steps:

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Answer:

Its between the 3rd and fourth but i think its the 3rd

Explanation:

Photosynthesis is the process of preparing food in the presence of light, water, and carbon dioxide. Photosynthesis can be light-dependent or light-independent reactions.

The correct answer is:

Option A.  Yes, as reactant A.

The mechanism can be explained as:

1. Light-dependent reactions convert light energy into chemical energy.

2. The light-dependent reactions require water and light to yield oxygen, hydrogen, and energy molecules.

3. The light is used to break down the molecule of water into oxygen and hydrogen when the light strikes the thylakoid.

4. The ATP is generated in the stroma of the thylakoid membrane. The excited electrons released during the splitting of water is utilized to produce high-energy molecule.

Thus, water molecule should be used as a reactant because it yields products.

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Answer:

1-a 2-a 3-a

1. The first living organism in a food chain is

a) producers

b) primary consumers

c) heterotroph

d) chemosynthesizer

2. The second living organism in a food chain is generally...

a) herbivore

b) carnivore

c) detrivore

d) a photoautotroph

3. Plants use nitrogen to grow and are generally helped by cycling N from the air to the land by bacteria in a process called...

a) nitrogen fixation

b) denitrification

c) decomposition

d) emmigration

Answer: I would say virtue and education are essential

Explanation: I read tales of Confucius

Answer:

B. Virtue and education are essential.

Explanation:

have a great day peeps :)

Answer:

The correct answer is B. Combustion is a chemical change. When a substance is burned, it forms new substances. Therefore, combustibility is a chemical property because it can only be observed when a substance undergoes a chemical change.

Explanation:

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Answer:

The answer would be "A substance combusts (burns)".

Explanation

All of the other options are basic physical changes that don't alter the substance on a molecular level, whereas burning a substance permanently changes the molecular makeup.

Answer:

b

Explanation:

The option that correctly lists three forms of frozen water is "frost, hail, sleet". Therefore, option (B) is correct.

Frost is created when water vapor condenses and freezes onto a surface, like the ground or a window.

Hail is produced when powerful updrafts in thunderstorms carry raindrops high enough that they freeze into ice, forming large balls of ice that fall to the ground. This process results in the formation of hail.

Sleet is created when raindrops pass through a layer of cold air close to the ground. This causes the raindrops to freeze into small ice pellets before they reach the ground's surface.

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Answer:

Most enzymes are proteins and therefore their function is specific to their structure. Enzymes function as a catalyst to increase the rate of virtually all the chemical reactions that take place in a living system

Explanation:

Answer:The endocrine system

Explanation:

The endocrine system includes all of the glands of the body and the hormones produced by those glands. The glands are controlled directly by stimulation from the nervous system as well as by chemical receptors in the blood and hormones produced by other glands

Answer:

a

Explanation:

Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA safely and stably stores genetic material in the nuclei of cells as a reference, or template

Answer:

The answer is B mRNA

Explanation:

Answer:

Physical activity is defined as any bodily movement produced by skeletal muscles that results in energy expenditure. The energy expenditure can be measured in kilocalories.

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Answer:

As the Burmese python surpasses its carrying capacity in South Florida, the overpopulation of it leaves less resources for each python, and other organisms. Predators may have way too many pythons, and not be able to keep the balance, and prey might be over hunted or eaten. The population sizes may decrease due to the over-population of the pythons.

Explanation:

If there are ever too many of any ORGANISM in a ecosystem, the balance is sure to be ruined.

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Answer:

1. length is m (meters)

2. Mass is kg (kilograms)

3. area is cm^2  

4.volume is L (liters)

Answer:

Cation,anion

Explanation:

Answer:

i dont even know

Explanation:

bc its to hard to understand

0.64 L in milliliters is 640 milliliters.

Answer:

paper or glass

Explanation:

for they use needles to get and they transfer it to paper for studying

Answer: paper

Explanation:

Answer:

Natural Selection is survival of the fittest aka Darwinism. It basically states that the strongest survive and the weakest don't. Maybe it's through food shortages, bad weather, or predators. It occurs in an organism for population control. If there is too big of a population, then there will be a recourse drought and natural selection will do its thing again.

Answer:

autotrophic

Explanation:

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.

Answer:

Explanation:

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.

Answer:

The answer is C

Explanation:

Answer:

A

Explanation:

The warm air is sinking meaning that it's cooling down. Cooler air is denser that's why they sink while warmer air is less denser, it rises.

Answer:

Her independent variable is the light source and her hypothesis is what YOU think might happen

Answer:

The independent variable is what is being changed or altered in the experiment (light position), the dependant variable is what is altered or changed by the independent variable (plant).

Explanation:

Consider what is being changed in this experiment to investigate the effects? The plant itself is not changed by the experiment but the positioning of the light source is. That is your independent variable. The plant may change as a result of the independent variable but isn't being altered or changed as part of the method (dependent).

What is a hypothesis she might write?

Consider a hypothesis as a prediction. Researchers come up with their hypothesis based on the information they already know. So to write your hypothesis think about what you already know about phototropism. What do you think will happen to the plant in relation to the positioning of the lamp? Will the plant not move? Will it bend or move to face the lamp?

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Answer:

The brain

Explanation:

The brain stem connects the brain with the spinal cord.

Answer:

C - the spinal cord

Explanation:

the cord is connected to the brain and travles down the body connecting itself

Answer:

Which statement best describes these explanations? ... 20) The time during imprinting when specific behaviors can be learned is ... E) maximizing the population size of the forager. E ... B) members of different populations have different nutritional requirements. ... B) humans cannot choose to change their social behavior.

Answer:

C.) Like other populations, the human population is affected by a variety of factors in the environment.

Explanation:

Yes