Parts of a plant that are underground are called , while those above ground are called .

Answers

Answer 1

Answer: The correct answer for the question that is being presented above is this one: "root system; shoot system." Parts of a plant that are underground are called root system, while those above ground are called shoot system. the underground part is responsible for seeking for water and nourishment; the upper part is responsible for pollination.

Answer 2

Answer:

Answer:

Root and shoot

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Dan was running, and he tripped and hurt his knee. The pain signals were carried to his brain by the:A. sympathetic nervous system. B. central nervous system. C. endocrine system. D. lobes of the brain.
Ticks carry bacteria that cause Lyme disease. Ticks do not get Lyme disease, but they can transfer the bacteria to humans, who can get the disease. Which of the following statements best describes the relationships among the bacteria, the ticks, and the humans?a. The relationship between the bacteria and the ticks is competition, and the relationship between the ticks and the humans is predation. b. The relationship between the bacteria and the ticks is competition, and the relationship between the ticks and the humans is parasitism. c. The relationship between the bacteria and the ticks is commensalism, and the relationship between the ticks and the humans is parasitism. d. The relationship between the bacteria and the ticks is commensalism, and the relationship between the ticks and the humans is predation.

The principles of probability can be used toA. decide which organisms are best to use in genetic crosses.

B. predict the traits of the offspring of genetic crosses.

C. determine which species should be used in genetic crosses.

D. determine the actual outcomes of genetic crosses.

Answers

Answer:

Option B, predict the traits of the offspring of genetic crosses

Explanation:

Lets see an example -

Suppose there are two adult cats , where female cat has brown (BB)haired and it is a dominant trait while male cat is recessive grey (bb) haired organism.

If a cross is carried out between these two species then through probability it can be derived that how many species will be grey (Bb) haired

Let see the punnet square for the cross-

B B

b Bb Bb

Thus out of four offspring’s produced all the offspring’s are grey (Bb) colored. Thus, there is a 100% probability that if a cross is carried out between female cat having brown hair (BB) and a male cat having black hair (bb), the offsprings will have grey (Bb) hair.

In this way probability can help to predict the traits of the offspring of genetic crosses

The laws of probability can be applied to genetics to make predictions about the traits of the offspring that result from genetic crossings. Therefore, the correct option is B.

Probability enables us to calculate the likelihood that specific characteristics will be inherited, based on the known genetic information of the parent organism. Scientists can predict the possible combinations of genetic characteristics in offspring by understanding the principles of heredity and applying probability calculations.

Probability can forecast and infer, but it cannot predict the actual results of genetic crosses because these are affected by various processes, including random segregation during meiosis and genetic recombination.

Therefore, the correct option is B.

Learn more about Probability, here:

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Leaves curving towards sunlight are examples of _____. phototrophism
geotrophism
thigmotrophism
hydrotrophism

Answers

The correct answer is phototrophism.

Phototrophism is said to be the growth of a plant toward a source of light.

It is response to the stimulus of light and is seen when a plant bends towards the direction that light is coming from. Response by plants to a stimulus is called tropism. The word or prefix "photo" means or refers to light. Therefore phototropism simply means response to light.

Phototropism can be especially evident in the jungle where the jungle floor gets very little light. If a tall tree falls to the ground, it leaves a gap in the canopy through which sunlight streams to the ground. Many jungle plants growing on the ground will bend towards the gap and rapidly grow towards the source of light.

Answer: PHOTOTROPISM

Explanation:

The forelimbs of a bat and whale are known as A homologous structures B analogous structures C vestigial structures D fossils

Answers

The answer is vestigial structures

"RNA retroviruses use" A. use restriction enzymes to replicate and transcribe their genomes. B. viral reverse transcriptase to make a DNA copy that is integrated into the host genome and then host RNA polymerase transcribes it. C. host DNA polymerase to replicate their genome and host RNA polymerase to transcribe it. D. viral RNA-dependent RNA polymerase to replicate their genomes and transcribe it.

Answers

Answer:

B. viral reverse transcriptase to make a DNA copy that is integrated into the host genome and then host RNA polymerase transcribes it.

Explanation:

RNA retrovirus when enters into its host cell it first use its reverse transcriptase enzyme and converts its RNA genome into the DNA so that viral DNA can be incorporated into the host cell and it can be replicated with the host cell.

One of the famous example of RNA retrovirus is HIV which infect CD4 cells and converts its RNA into cDNA with the help of reverse transcriptase enzyme and then this DNA enters the nucleus of the cell and incorporates into the host genome. Then it use host machinery to be transcribed. So the correct answer is B.

Phases of menstral cycle in human

Answers

here are the steps
Menstrual phase (From day 1 to 5) Follicular phase (From day 1 to 13) Ovulation phase (Day 14) Luteal phase (From day 15 to 28)

Distinguish between diffusion and equilibrium

Answers

Diffusion is the movement of molecules across a semi permeable membrane. And and equilibrium is when two influences of different substances cancel out each other.

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