Từ 200g nguyên liệu ban đầu người ta chiết tách được 0,5g chế phẩm E thô có tổng hoạt độ 150000 IU. Sau 2 lần tinh chế thu được 50mg protein-enzyme (chế phẩm tinh chế E) có hoạt độ 90000 IU a. Tính hoạt độ E của chế phẩm thô, chế phẩm tinh sạch theo katal b. Xác định hoạt độ đặc hiệu (hoạt độ riêng) của mỗi loại E.

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave