What are the cell walls of diatoms made of quizlet? In most diatoms, the cell wall, called a frustule, is made up of pectin impregnated with hydrated silica. Does cell wall of diatoms contain cellulose? (a) cellulose is the correct answer. Which walls are present in diatoms? A unique feature of diatom anatomy is that […]
How did Friedrich Engels treat his workers?
How did Friedrich Engels treat his workers? The article says Friedrich Engels condemned prostitution but enjoyed it himself. In his wild youth, while alone in Paris for a short period, Engels enjoyed the company of les grisettes – but these were working-class girls who enjoyed a good time, and were not synonymous with prostitutes. How […]
How do I overcome my fear of the dark?
How do I overcome my fear of the dark? 7 Tips to Overcome Fear of the Dark Discuss the fear. Listen carefully to your child, without playing into their fears, to see if you can identify a trigger. Be Aware of frightening images. Switch on the light. Teach breathing techniques. Offer a transitional object. Set […]
What kind of scale do professional bakers use?
What kind of scale do professional bakers use? If you like to bake bread at home, you can’t do better than the MyWeigh KD8000 Bakers Math Kitchen Scale. It has a high weighing capacity of 17 pounds and 6 ounces, a big easy-to-read screen, and the ability to work with baker’s percentages when you need […]
What are the processes that change rocks?
What are the processes that change rocks? Several processes can turn one type of rock into another type of rock. The key processes of the rock cycle are crystallization, erosion and sedimentation, and metamorphism. What is rock cycle model? The rock cycle is a model that describes the formation, breakdown, and reformation of a rock […]
How long before baby swans can swim?
How long before baby swans can swim? Cygnets (chicks) Swan chicks are commonly referred to as cygnets. Hatching usually occurs from June to July. The hatchlings are covered with down and their eyes are open. Within 24 hours of hatching, the cygnets are able to leave the nest and another day later, they are able […]
What is the conclusion of cotton?
What is the conclusion of cotton? Cotton is under constant threat from artificial fibres, and presence of contamination is one of its main weaknesses. If this not controlled at the origin, it will have a serious impact on the whole cotton industry in the long run. What is interesting to find in fibre to fabric? […]
Which region had the most amount of railroad mileage in 1850 railroad mileage increases?
Which region had the most amount of railroad mileage in 1850 railroad mileage increases? The Civil War is the first war in which railroads were a major factor. The 1850s had seen enormous growth in the railroad industry so that by 1861, 22,000 miles of track had been laid in the Northern states and 9,500 […]
How many calories are in a single piece of chicken?
How many calories are in a single piece of chicken? Chicken breast is a low-fat source of protein that contains zero carbs. One chicken breast has 284 calories, or 165 calories per 3.5 ounces (100 grams). About 80% of the calories come from protein while 20% come from fat. How many calories are in 2 […]
Which of the figures is the structural formula for propyne?
Which of the figures is the structural formula for propyne? Propyne | CH3CCH – PubChem. What is the structural formula of propene? C3H6 Propene/Formula Propene is composed of 3 carbon atoms and 6 hydrogen atoms. It also has one double bond from the middle carbon to one of the outer carbons, and then one single […]