1) Cau tao nao sau day cua luc lap chua phan tu clorophyl
A. Mang cua tilacoit
B. Chat nen cua luc lap
C. Mang ngoai cua luc lap
D. Mang trong cua luc lap
1) Cau tao nao sau day cua luc lap chua phan tu clorophyl
A. Mang cua tilacoit
B. Chat nen cua luc lap
C. Mang ngoai cua luc lap
D. Mang trong cua luc lap
1) Trong quang hop, phan tu nao sau day khong phai la san pham cua pha sang
A. Duong B. Oxi C. ATP D. NADPH
1) Ve mat di truyen, su trao doi cheo cua NST tai ki dau cua giam phan I co y nghia nao sau day
A. Lam tang so luong NST trong te bao
B. Tao ra su on dinh ve thong tin di truyen
C. Tao ra nhieu giao tu, gop phan tao su da dang sinh hoc
D. Duy tri tinh dac trung ve cau truc NST
1) Nhung nhan dinh nao sau day la dung ve van de tai sao te bao khong su dung ngay nang luong cua phan tu glucozo ma phai thong qua hoat dong san xuat ATP o ti the
1. ATP chua vua du nang luong can thoet cung cap cho cac hoat dong can nang luong cua te bao
2. Nang luong chua trong phan tu glucozo qua lon so voi nhu cau nang luong cua cac phan ung don le trong te bao
3. Qua trinh phan giai ATP cung la qua hanh loat phan ung nhu phan giai glucozo
4. Nang luong trong glucozo chi o dang NADH va FADH2
5. Thong qua qua trinh tien hoa, cac enzim da thich nghi voi viec dung nang luong ATP cung cap cho cac hoat dong nang luong cua te bao
A. 1,2,4 B. 1,2,5 C. 1,2,3 D. 2,3,4
1) Ki nao sau day cua phan bao nguyen phan xay ra hien tuong cac nhiem sac the (NST) kep co xoan cuc dai va tap thanh 1 hang tren mat phang xich dao cua thoi phan bao
A. Ki giua B. Ki cuoi C. Ki sau D. Ki dau
1) Quang hop khong phai la phuong thuc dinh duong cua co the nao sau day
A. Cay thong B. Nam C. Rong bien D. Tao
1) Thu tu nao sau day dung khi noi ve cac pha cua ki trung gian
A. Pha S, pha G1, pha G2 B. Pha S, pha G2, pha G1 C. Pha G1, pha G2, Pha S D. Pha G1, pha S, Pha G2
1) Trong dieu kien nuoi cay thich hop, so te bao cua quan the vi khuan co duoc sau 10 lan phan chia tu 1 te bao vi khuan ban dau la:
A. 1024 B. 1240 C.1420 D.200
1) Nhung phat bieu nao sau day dung khi noi ve chu ki te bao
I. Thoi gian cua chu ki te bao giong nhau o cac loai sinh vat
II. Qua trinh nguyen phan chiem phan lon chu ki te bao
III. Cuoi pha G1 co diem kiem soat R, neu te bao khong vuot qua duoc thi se khong di vao pha S
IV. O ki trung gian, su nhan doi ADN va NST dien ra o pha S
A. I,II,III B. I,II,IV C. II,III D. III,IV
1) Co bao nhieu phat bieu sau day dung khi noi ve nguyen phan
I. Qua trinh nguyen phan chi xay ra o te bao sinh duong
II. Cac phuong phap giam,chiet, ghep canh duoc tien hanh dua tren co so cua qua trinh nguyen phan
III. Trong nguyen phan, viec phan chia vat chat di truyen va phan chia te bao chat duoc tien hanh dong thoi
IV. Trong nguyen phan nhiem sac the quan sat ro nhat o ki giua
A. 1 B.2 C.3 D.4