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Questions in biology

[Terjawab] Why are highland regions considered a climate region?

[Terjawab] Challenge: Human cells have 46 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere. At the end of cytokinesis, how many chromatids will be found in each daughter cell? Explain.

[Terjawab] If a DNA polymerase recognizes a guanine nitrogenous base on the template strand, which nitrogenous base will it polymerize to the growing complementary strand? A. A B. C C. G D. T

[Terjawab] What is the difference between meiosis and mitosis?

[Terjawab] The cell organelles that burn glucose and provide ATP for active transport are the ____.

[Terjawab] Two heterozygous white rabbits (brown fur is recessive) are crossed. 1. List the parent genotypes. 2. Draw and fill in a Punnett square. 3. List the offspring genotypes and phenotypes.

[Terjawab] During an experiment, a scientist crosses a pea plant that has purple flowers with a pea plant that has white flowers. The plants that result from this cross in the F1 generation have both purple and white flowers. What can the scientist conclude? A. White flowers are dominant over purple flowers. B. Neither purple flowers nor white flowers are dominant. C. The plants in the P generation were not true-breeding. D. All the plants in the F2 generation will have purple flowers.

[Terjawab] If a golf ball and a bowling ball are moving and both have the same kinetic energy, which one is moving faster? If they move at the same speed, which one has more kinetic energy?

[Terjawab] Name the process in animals which requires meiosis to take place.

[Terjawab] The nerve pathway linking the heat receptor in the hand with the arm muscle is about 1.5 meters in length. It would take the nervous impulse 0.02 seconds to travel this distance along a neuron. However, it takes about 0.5 seconds for the arm to start moving during the reflex response to the heat stimulus.