VincenTragosta - Tanya, Jawab, dan Belajar Tanpa Batas Logo

Questions in biology

[Terjawab] 2. Global Warming and Greenhouse Effect Answer the following questions: 1. How does the presence of greenhouse gases cause global warming? 2. Ozone is an important gas in the upper troposphere. Describe. 3. How does global warming cause an increase in the spread of diseases? 4. Which are the main greenhouse gases? What are their sources? 5. Suggest two measures to control global warming.

[Terjawab] (ii) Plant fibres consisting of sclerenchyma and xylem tissues contain cellulose in their cell walls. Explain how tensile strength is related to the arrangement of cellulose in plant fibres.

[Terjawab] Which of these common pathogens generally lives on the skin or in the nose, but can cause blood poisoning or a heart infection if it moves inside the body? Select one of the options below. A. Campylobacter B. Norovirus C. MRSA D. C. difficile

[Terjawab] Identify the cells whose secretion protects the lining of the gastro-intestinal tract from various enzymes? Options: - Duodenal Cells - Oxyntic cells - Goblet Cells - Chief Cells

[Terjawab] b. (i) What are the sources of day-old chicks for poultry farming? (ii) List four desirable qualities of hatching eggs.

[Terjawab] Twisted strands of protein are referred to as what in dead and dying nerve cells? A. Protein neurons B. Protein cells C. Dangles D. Tangles

[Terjawab] Which of these is not a type of muscle tissue? smooth cardiac skeletal nervous

[Terjawab] Epinephrine and norepinephrine are secreted by the A. adrenal cortex. B. adrenal medulla. C. thyroid. D. parathyroid.

[Terjawab] In which kingdom do all organisms have cells that lack a cell wall? A. plants B. animals C. bacteria

[Terjawab] Which of the following best defines a gene pool? A. the sum of all genetic traits in a population's individuals at a given time B. any movement of genes from one population to another C. any movement of organisms from one environment to another D. the random change in the frequency of an allele in a population