Purpose: To determine which chemical indicators that will indicate the presence of glucose‚ starch‚ lipid‚ and protein in various samples. Methods and Materials: For materials‚ please refer to p.18 in Biology 11 (replace Sudan IV with filter paper) For procedures‚ please refer to p.18-19 (except Part C) For Part C in Inv. 1A‚ please read the following procedures: 1.Label sample 1-6 on the filter paper 2.Add one drop of each sample corresponding to their number indicated on the filter paper
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Genes are found in our chromosomes‚which parents pass on to offspring in their sex cells in reproduction. Different versions of the same gene are called alleles‚ and these can determine features like eye colour‚ and the inheritance of disorders such as cystic fibrosis. DNA the nucleus controls the activities of a cell. The instructions for how an organism develops are found in the nuclei of its cells Chromosomes Chromosomes are structures found in the nucleus of most cells. They consist of long
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FEMALE BODY Vulva: scientific term used to describe the entire external genital area of women Mons (mons veneris): o Structure: pad of fatty tissue covered by skin and pubic hair; has many nerve endings o Location: front most component of the vulva o Function: may serve as a cushion for the woman’s public area during sex o Pubic Hair: helps vaporize odors that arise in specialized sweat glands; also a visual trigger for sexual arousal because it is the most easily visible portion of the vulva
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In 2006 our world’s human population was approximately 6.7 billion. It is projected to increase to 9.2 billion by 2050. With this many people in the world you need a substantial amount of food to feed them. But‚ this leads to a problem in the food industry. Animals do not grow fast enough in order to meet these high demands. In order to compensate for the lack of supply of food the farmers need to somehow make their animals grow faster. For the solution they introduced the use of hormones. These
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women have developing their breast‚ small body and tend to be warm‚ dependence. The researchers sow that the genes just make different physical developments between male and female; the hormone decides different quantity. If a person produces more androgen‚ male hormone than estrogen‚ female hormone‚ he or she will behave like a man and vice versa. Therefore‚ hormone affects directly to gender roles. The second element in shaping gender role is the social factor. The psychologists believe that gender
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biological differences. First‚ they differ from genetic structure. Men have one "X" chromosome and one "Y" chromosome while women have both "X" chromosome. Second‚ there is hormonal difference between men and women. Testosterone (aggression) and androgen are higher in men while estrogen and others are higher in women. Third‚ they have a different gonadal and genital. Men have penis and testes while women have clitoris and ovaries. And also there is evidence that there is a brain function difference
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Question 1 1 out of 1 points The corpus luteum Answer Selected Answer: secretes progesterone Correct Answer: secretes progesterone Question 2 1 out of 1 points In the testes‚ testosterone is produced by the _______ cells Answer Selected Answer: Leydig Correct Answer: Leydig Question 3 1 out of 1 points Sex steroids are _______ molecules derived from _______. Answer Selected Answer: lipid; cholesterol Correct Answer: lipid; cholesterol
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another human (Geen‚ 11). As we see‚ in this definition‚ aggression is applied to all humans without separating women from men. There are several explanations for aggressive behaviors of males and females. Biologists argue that testosterone‚ the male androgen‚ is the key factor of aggression in males. Some psychologists blame the ways parents behave towards their children in a double standard about the acceptability of aggression. Other theorists identify male and female adult roles: the tendency for
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Care of sick patients when body systems malfunction | Unit 7 P5 – Identify the risk factors for each of the 3 malfunctions in assignment 3 Risk factors are things that contribute to illnesses. They could be situations‚ people or activities which could possibly affect our health in a negative way and can also lead to ill health. The effect can be temporary or permanent; the effect of these things can be mild‚ very serious or possibly fatal. There are 3 factors that affects whether someone is of
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10/21/14 Nervous system: one of the eleven major body organ systems in animals; coordinates and controls actions of internal organs and body systems; receives and processes sensory information from external environment; coordinated short-term reactions to these stimuli. Cell body: the part that contains the nucleus and most of the cytoplasm and the organelles. Axon: sends messages away from the cell body to other neurons. Dendrite: short‚ highly branched fibers that carry signals toward the cell
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