Need help ASAP! please and thank you God bless!

Answer:

It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.

Gregor Mendel learn about heredity by collecting detailed information on inherited traits of pea plants. Thus, the correct option is A.

Heredity may be defined as the process by which characters are transferred from one generation to the next generation. It is also known as inheritance.

Gregor Johann Mendel is known as the father of genetics because he gives the concept of genetics and heredity by demonstrating his experiments on the garden pea plants (Pisum sativum).

He collected descriptive information on characters like seed shape, seed color, flower color, pod shape, pod color, flower position, and stem height as well as the inherited traits of such characters.

Therefore, the correct option is A.

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The biome the question refers to is the tropical rainforest, since is there where it can be found a variety of plant species like those mentioned, with also few amount of light due to the significative canopy of trees, which is almost continuous along this kind of forest. It's a dense, warm, and also wet biome, with that range of water from rain between 6.5 and 33 feet

Answer:

Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together.

Explanation:

Answer:

7 MPH or 11.27 KPH

Explanation:

Pls Mark Brainliest

Answer:

Transpiration

Explanation:

I think so

A food chain, which depicts the linear transfer of energy from one organism to another in an ecosystem, is the term that best describes this flow of energy.

Energy flows in only one direction in a food chain. This shows that energy streams straightly and just in one course. A deer is the only animal that will receive the energy. The plant will not be fueled in the opposite direction by the deer.

The energy that plants store through photosynthesis is provided to herbivores that consume plants. Predators that consume herbivores receive energy from herbivores. As a result, energy travels from the sun toward animals that eat meat.

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Derived characters are those that emerge at some point during evolution, and are expressed by all the subsequent groups. Derived characters shared by protist, plants, fungi, and animals are: eukaryotic organisms, autotroph or heterotroph, cell membrane, nuclei with DNA, mitochondria.

The derived character is any trait that a group passes to the descendants.

Through evolution, the characters change, and new changes are added.

When referring to a derived character, we mean that all the subsequent species in the cladogram, after the character emerged, carry the trait.

In the exposed example, we need to describe characters expressed by protists, plants, fungi, and animals.

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Answer:

D) The metric system

It is a widespread system used worldwide

Answer:

（no options?

may be China or India

Answer:

Your body wouldn't fight off the infection as efficiently

Explanation:

[There is no multiple choice; I will answer with the best of my knowledge]

Other theories may be incorrect because if you did not run a fever when you got sick, you body fluids and functions would not have the ability (or strength) to fight off diseases, infections, etc. since it don't run a fever. It's pretty obvious to tell that this could do so since you are missing a piece (not running a fever).

--

Think of this as a missing piece of a puzzle, it isn't considered a completed puzzle unless it has all the pieces.

--

Source:

BrainPop

Answer:

I gree with Diego

Explanation:

Because there's what we call drafting to improve on plant yields.

Answer:

true

Explanation:

Answer:

True

Explanation:

The brain relies on many other systems of the body to operate

General category: Biology.

Sub-category: Molecular Biology

Topic: DNA Replication

Introduction:

All eukaryotic cells have a cell cycle. The cell cycle consists of two phases: mitosis and interphase. Most of the time, eukaryotic cells are in a condition called interphase.

The cell cycle interphase consists of 3 subphases:

1. G1 phase: Period between the end of mitosis and the start of synthesis.

2. S phase: DNA replicates (S for synthesis). Because the chromosomes replicated during the S phase, each chromosome now consists of two identical sister chromatids. DNA replication occurs inside the nucleus of the cell.

3. G2 phase: Between the end of the S phase and the beginning of mitosis. There is a preparation for mitosis: the synthesis of microtubules that will later move the chromosomes to opposite sides of the dividing cell.

According to the above information, we can conclude that the correct answer is:

DNA replicates in the cell nucleus of the eukaryotic cell, during the synthesis phase of the cell interfase.

The correct combination of vital signs is temperature, respiratory rate, and heart rate.

Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.

Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.

The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.

Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.

Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.

In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.

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Gymnosperms are a more primitive, smaller category of plants that generate "bare seeds" (seeds that are not protected by a fruit). On Earth, there are still more than a thousand different types of gymnosperms.

Several shrub species are also found, and these are often medium to large trees. Gymnosperms, which include some of the tallest tree species, including the sequoia.

The leaves, stem, and roots are the three distinct parts of the plant's body. Similar to conifers, the leaves have a thick cuticle, needle-like shape, and depressed stomata. This characteristic reduces water loss from transpiration.

The taproot system is the type of root system seen in gymnosperms. In some plants, these roots have a relationship with fungus and produce mycorrhiza, e.g. Pinus. While in certain other species, such as the Cycas plant, the roots take the shape of specialized roots known as coralloid roots and are linked to cyanobacteria that fix nitrogen.

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Answer:

These graphs are used for very different things:

A line graph is used for tracking changes over time (for example: weather)

A bar graph is used to compare results between different groups (for example: sports)

A pie graph (circle) is used to compare the percentage of data (for example: how many people in the class drive or take the bus or walk ect.)

Hope this helps :)

Answer:

a) k_m = 4.08 uM

  V_{max} = 20.07 uM/min

b) k_m = 8.16 uM

Explanation:

Given that:

For Enzyme A:

the substrate concentration [S] = 40 uM

the initial velocity rate v = 10 uM/min

when it was 4mM, v = 20 uM/min

i.e.

at 4mM = 4000 uM;

Using Michealis -menten equation;

when v = 10

\(V = \dfrac{V_{max}[S]}{k_m+[S]}\)

∴

\(10 = \dfrac{V_{max}\times 40}{k_m + 40}\)

\(10 (k_m + 40) = V_{max}40\)

\(40V_{max} -10k_m = 400 --- (1)\)

when v= 20

\(20= \dfrac{V_{max}\times 4000}{k_m + 4000}\)

\(20 (k_m + 4000) = V_{max}4000\)

\(4000V_{max} -20k_m = 8000 --- (2)\)

equating equation (1) and (2):

\(40V_{max} -10k_m = 400 --- (1)\)

\(4000V_{max} -20k_m = 8000 --- (2)\)

let multiply equation (1) by 100 and equation (2) by 1

4000V_{max} - 1000K_m = 4000

4000V_{max} - 20 k_m = 8000    

  0        -980k_m = 4000

k_m = 4000/-980

k_m = 4.08 uM

replacing the value of k_m into equation (1)

40{V_max } - 10(4.08) = 400

40{V_max } - 40.8 = 400

40{V_max } = 400 +  40.8

40{V_max } = 440.8

V_{max} = 440.8/40

V_{max} = 11.02 uM/min

b)

Since V_{max} of A ie equivalent to that of B; then:

V_{max} of B = 11.02 uM/min

Here;

[S] = 80  uM

V = 10 uM/min

∴

\(10 = \dfrac{11.02 \times 80}{k_m + 80 }\)

10(k_m +80) = 881.6

10k_m = 881.6  - 800

10k_m = 81.6

k_m = 81.6/10

k_m = 8.16 uM

Answer:

habitat. biome. population.

Explanation:

Answer:lightning rod

Explanation:

Normaly there is a lighting rod to the most of the buildings or house so we can place lighting rod to prevent houses and buidlings from lightning

Answer:

C.

pump blood, which carries nutrients and oxygen to the cells of the body.

The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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Answer:

Well..we kinda need a picture though.

but the one that transports nutrients around the body is

The circulatory system

Explanation:

The macro scale of atmospheric circulation includes mid-latitude cyclones, anticyclones, and tropical cyclones.  The intensity of tropical cyclones is measured by meteorologists using the Saffir-Simpson scale.

cyclone is a center of low atmospheric pressure. In a counterclockwise direction air converge on a cyclone in the Northern Hemisphere. In the same direction as air in the upper atmosphere near the top of a cyclone. Air in cyclones undergoes cooling as it rises.

As the climate warms, the conditions governing cyclone formation are altering. For example, increasing sea surface temperatures are giving tropical cyclones more energy, increasing their strength and making them more destructive.

Hence, intensity of tropical cyclones is measured by meteorologists using the Saffir-Simpson scale.

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a. The selection differential (S) in this population is 300 cm.

b. The heritability (h2) of the flowing locks trait is 0.60.

c. The hair length will increase in the average hair length of the population over time.

d. The average hair length of the offspring would be 380 cm.

a. The selection differential (S) in this population of fancy cattle can be calculated using the formula:

S = mean of the selected group - mean of the entire population

The bulls with 500 cm long hair are the selected group in this case. The mean hair length of the selected group is 500 cm, and the mean hair length of the entire population is 200 cm.

S = 500 cm - 200 cm = 300 cm

Therefore, the selection differential (S) in this population is 300 cm.

b. The heritability (h2) of the flowing locks (long hair) trait can be calculated using the formula:

h2 = response to selection (R) / selection differential (S)

Given that 60% of the phenotypic variation is due to genetic variation, the response to selection (R) can be calculated as:

R = h2 \(\times\)S

R = 0.60 \(\times\) 300 cm = 180 cm

Therefore, the heritability (h2) of the flowing locks trait is 0.60.

c. The hair length will respond to this selection by increasing over time. Since the trait's heritability is relatively high (0.60), a significant portion of the offspring's hair length variation is attributable to genetic factors. By selecting bulls with long hair, which are the ones predominantly having offspring, the genetic potential for long hair will be favored in subsequent generations. This will result in an increase in the average hair length of the population over time.

d. The average hair length of the offspring can be estimated by considering the response to selection (R) and the mean of the entire population (M). The average hair length of the offspring (M') can be calculated as:

M' = M + R

Given that the mean of the entire population (M) is 200 cm and the response to selection (R) is 180 cm, the average hair length of the offspring (M') would be:

M' = 200 cm + 180 cm = 380 cm

Therefore, the average hair length of the offspring would be 380 cm.

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Answer:

The correct answer would be - two bands ( one intermediate, and one light)- the light band contains more DNA molecules.

Explanation:

After the switching to the lighter isotope by the second round of replication where light strands are used as template strands, produces the light band of 14N.

After three rounds of semiconservative replication, where template strand contains both heavy and new formed light bands or nitrogen and produces so in a Density gradient, there will be 2 bands one light band and the other intermediate band.

The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.