what membranes will the needle pass through to reach CSF?

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A: Natural selection is process through which species adapt to their environments tend to survive to…

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A: Drastic change in climate is leading the ecosystem to become very unstable. The details is discussed…

Q: Variation in diversity and richness 6) A) Draw the curve of fish species richness you expect to see…

A: The richness of a species in an area id dependent on variety of factors which can be abiotic or…

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Q: 16.  Where does the pulmonary artery transport blood? 17.  Where does the renal vein transport…

A: Question 16.  Where does the pulmonary artery transport blood? 17.  Where does the renal vein…

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A: The correct option is D. Proteins

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A: Prophase 1 is the stage of meiosis 1. The condensation of chromosomes occur in the prophase 1.

Q: ANIMAL REPRODUCTION ASEXUAL SEXUAL BUDDING 15 13 16 14 17

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A: Aneuploidy :- It is any deviation from the human diploid number of 46 chromosome. An aneuploid is an…

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A: Epinephine, when binds with its receptor in muscle cell, it induces the "fight and flight" response.…

Q: Question 1. Which molecules below are converted into ATP during the last step of the metabolism?…

A: Which molecules are converted into ATP during last step of metabolism.

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A: Introduction In this question we will explain why xylem transport is unidirectional and phloem…

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A: *Birds song learning proceeds in two steps that it commit song to memory in the first stage and they…

Q: 3. How does meiosis contribute to genetic diversity? 4. Why is tetrad formation important? 5. How…

A: 3. Meiosis recombines genes and creates new  genetic variation by crossing over during pachytene…

Q: State whether the level of each of the following protein in a cancer cell is higher or lower than…

A:

Q: 2. Name the most invasive aquatic plant weed which is called Terror of Bengal.

A: Introduction - Plants that have adapted to life in water are known as aquatic plants. They can only…

Q: How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it…

A: The plasma membrane is the cell's outermost covering that serves to protect it from the surrounding…

Q: Explain how climate change causes the ecosystem to become unstable. Include pollution in your…

A: Climate is long term weather of a particular area. It may be hot, cold, moderate to severe.

Q: Suppose two parents are healthy carriers of the sickle cell allele. The genotype of each parent is…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: Which repair pathway recognizes DNA damage duringtranscription? What happens if the damage is…

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Q: Mendelian Genetics (Monohybrid Cross) A. In dogs, a dominant gene (W) produces wire-haired texture.…

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A: Nucleic acid DNA and RNA are polymers of nucleotides.

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Q: An example of Negative Feedback Loop could be: A. Hormones released when giving birth B.…

A: The feedback mechanism is the physiological regulatory system in the living body that works to…

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A: * mainly there are Three Stages of Cell Signaling . The first one is reception and here the signal…

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Q: _____________12. These are proteins which are released by the natural killer cells through vesicles…

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Q: The separation of homologous chromosomes in meiosis occurs in what phase?

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A: Given  R - red (dominant)  r - white (recessive)  T - thin leaf (dominant)  t - broad leaf…

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Q: In tumor cells Rb protein is hyperphosphorylated. In response to that, will p53 level increase or…

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Q: Explain why in Belding's ground squirrel, biological sisters (siblings) reared apart, had fewer…

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Q: How can the Ames test distinguish mutagens that cause small insertions /deletions from those that…

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A: Introduction In this question we will discuss about the opening and closing of guard cells of…