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SORU BANKASI Filtrele

12.Sınıf Biyoloji / Soruları


Soru 141

I. Tüm canlı organizmalarda yönetici molekül DNA' dır.

II. A + G / C + T oranı tüm canlılarda bire eşittir.

III. A + T / G + C oranı ise bir türün bireyleri için belli bir sabit değere eşittir.

Yukarıdaki ifadelerden hangileri doğrudur?
A) Yalnız IB) Yalnız IIC) Yalnız III
D) I ve IIE) I, II ve III

Soru 142

I. G / C oranı her DNA için bire eşittir.

II. DNA iki zincirden oluşan sarmal bir yapıdır.

III. G / C oranı her RNA için bire eşittir.

IV. mRNA tek zincirden oluşur.

Yukarıdaki ifadelerden hangileri yanlıştır?
A) Yalnız IB) Yalnız IIC) Yalnız III
D) I ve IIE) I ve III

Soru 143

I. Nükleotitlerin bir araya gelmesi ile oluşmuş organik bir moleküldür.

II. Çift zinciri zayıf hidrojen bağları ile bir arada tutulur.

III. Pürin / Pirimidin bazlarının oranı tüm molekülleri için sabittir.

IV. Hücrede üç çeşit olarak bulunur.

V. Proteinle birleşerek organel yapısına katılır.

Yukarıda verilen ifadelerden hangileri DNA'ya hangileri RNA' ya aittir?
A) DNA: I, II, III RNA: IV, V B) DNA: I, II, IV RNA: III, V
C) DNA: I, IV, V RNA: I, II, III D) DNA: II, III , V RNA: I, II, IV
E) DNA: I, II , III RNA: I, IV, V

Soru 144

I. Deoksiriboz şekeri bulunur.

II. Kendini eşleyebilir.

III. Urasil bazı bulundurur.

IV. Prokaryot hücrelerde sitoplazmada bulunur.

V. Kendini eşleyemez.

Yukarıda verilen ifadelerden hangileri DNA'ya hangileri RNA' ya aittir?
A) DNA: I, II ve IIIRNA: IV ve V B) DNA:I, II ve IVRNA:III, IV ve V
C) DNA: I, IV ve VRNA: I, II ve III D) DNA: II, III ve V RNA: I, II ve IV
E) DNA: I, II ve IIIRNA: I, IV ve V

Soru 145

I. Protein sentezi için gerekli olan genetik bilgiyi DNA'dan alıp ribozoma taşır.

II. Çekirdekçikte üretilir, ribozomun yapısına katılır.

III. Amino asitleri ribozoma taşır.

Yukarıda görevleri verilen RNA çeşitleri hangisinde doğru verilmiştir?
A) I: mRNA II: rRNA III :tRNA B) I: mRNA II: tRNA III: rRNA
C) I: tRNA II: mRNA III: rRNA D) I: tRNA II: rRNA III: mRNA
E) I: rRNA II: mRNA III: tRNA

Soru 146

Ökaryot bir hücrede bir nükleotit hidroliz edilir ise hangisi kesin olarak elde edilir?
A) AdeninB) RibozC) Guanin
D) Fosforik asitE) Deoksiriboz

Soru 147

Yapısındaki riboz ve guanin sayısı bilinen bir RNA molekülünde;

I. Toplam nükleotit sayısı

II. Toplam sitozin sayısı

III. Toplam fosforik asit sayısı

IV. Sentezlendiği anlamlı iplikteki sitozin sayısı

verilerinden hangileri hesaplanabilir?
A) I ve IIIB) I, IIve IIIC) I, III ve IV
D) II , III ve IVE) I, II, III ve IV

Soru 148

tRNA, mRNA ve rRNA için;

I. Riboz şekeri

II. Zayıf hidrojen bağı

III. Azotlu organik baz içerme

IV. DNA' dan üretilme

ifadelerinden hangileri ortaktır?
A) II ve IIIB) I, IIve IIIC) I, III ve IV
D) II, III ve IVE) I, II, III ve IV

Soru 149

Ökaryot bir hücrede aşağıdaki bileşiklerden hangisi DNA'nın yapısında bulunur?
A) KarbonhidratB) YağC) Hormon
D) VitaminE) Enzim

Soru 150

Aşağıdaki organellerden hangisi RNA taşır?
A) RibozomB) GolgiC) Koful
D) SentrozomE) Lizozom

Soru 151

Streptococcuc pneumoniae adı verilen bakterilerin kapsüllüolanları zatürre hastalığına neden olur. Aynı bakterinin kapsülsüz formu hastalık yapmaz. Kapsüllü bakteriler öldürülerek kapsülsüz bakterilerle aynı ortama konulduğunda kapsülsüz olanların da hastalık yaptığı görülmüştür.

Hastalık yapmayan kapsülsüz bakterilerin hastalık yapan kapsüllü bakterilerle aynı ortamda bulunmasıyla hastalık yapıcı özellik kazanmasının nedeni aşağıdakilerden hangisiyle açıklanabilir?
A) Kapsülsüz bakterilere kapsüllü bakterilerden geçen enzimler hastalık yapıcı özellik kazandırmışlardır
B) Kapsüllü bakterilerle kapsülsüz bakterilerin DNA'larının yer değiştirmesi
C) Kapsüllü bakterilerin DNA'ları, kapsülsüz bakterilerin DNA'larına eklenerek hastalık yapıcı özellik kazanmasına neden olmuştur
D) Kapsülsüz bakteri DNA'larının mutasyona uğraması
E) Kapsüllü bakteri DNA'larının kapsülsüz bakteri hücrelerine girmesi ve bakterinin çift DNA'lı olması

Soru 152

I. Sitoplazma

II. Mitokondri

III. Ribozom

IV. Çekirdek

RNA molekülü prokaryot hücrelerde yukarıdaki yapıların hangilerinde bulunur?
A) I ve IIB) I veIIIC) II ve IV
D) I, III ve IVE) I, II, III ve IV

Soru 153

Prokaryot bir hücrenin DNA’sı ile tRNA’larının özellikleri karşılaştırıldığında

I. Hidrojen bağı bulundurma

II. Sitoplazmada bulunma

III. En fazla iki çeşit pürin bazı bulundurma

gibi özelliklerinden hangileri ortaktır?
A) Yalnız IB) I veIIC) I veIII
D) II veIIIE) I, II veIII

Soru 154

Guanin ve sitozin nükleotitleri arasındaki hidrojen bağ sayısı ile toplam nükleotit sayısı bilinen bir gen tarafından şifrelenen protein sentezi ile ilgili

I. Kullanılan tRNA sayısı

II. Oluşan peptit bağ sayısı

III. Kullanılan amino asit çeşit sayısı

değerlerinden hangileri hesaplanabilir?
A) Yalnız IB) Yalnız IIC) Yalnız III
D) I ve IIE) I, II ve III

Soru 155

Ökaryot bir hücrenin DNA’sı ile tRNA’ larının özellikleri karşılaştırıldığında

I. Hidrojen bağı bulundurma

II. Sitoplazmada bulunma

III. En fazla iki çeşit pirimidin bazı bulundurma

gibi özelliklerinden hangileri ortaktır?
A) Yalnız IB) I veIIC) I veIII
D) II veIIIE) I, II veIII

Soru 156

Nükleik asitlerin yapısında yer alan I. Adenin bazı II. Deoksiriboz şekeri III. Fosforik asit IV. Urasil bazı moleküllerinden hangileri DNA ve RNA’da ortak olarak bulunmaz?
A) I ve IIIB) I ve IVC) II ve III
D) II ve IVE) III ve IV

Soru 157

Aşağıda DNA ve RNA molekülleri ile ilgili verilen bilgilerden hangisi yanlıştır?
A) Tüm RNA’lar, DNA üzerinden sentezlenir.
B) RNA molekülleri içerisinde yalnızca tRNA’larda zayıf hidrojen bağları bulunur.
C) DNA’daki timin bazı yerine RNA’da urasil bazı bulunur.
D) Yapılarında beş karbonlu şeker bulunur.
E) tRNA molekülünün antikodonunda birden fazla amino asit şifresi bulunur.

Soru 158

Ökaryot bir hücrede DNA’nın anlamlı ipliği üzerinde RNA molekülünün sentezini gerçekleştiren enzim aşağıdakilerden hangisidir?
A) DNA ligaz B) Helikaz
C) DNA polimeraz D) RNA polimeraz
E) RNA az

Soru 159

I. mRNA
II. rRNA
III. tRNA

Hücrede bulunma miktarlarına göre azdan çoğa doğru nasıl sıralanır?
A) I - II - IIIB) I - III - IIC) II - I-III
D) II - III - IE) III - II - I

Soru 160

Toplam 5000 nükleotitli bir DNA molekülünün tamamlayıcı zincirinde 1000 Timin, 700 Guanin, 550 Sitozin bulunmaktadır. Bu DNA zincirinin anlamlı ipliği üzerinden sentezlenen mRNA’daki urasil sayısı aşağıdakilerden hangisinde verilmiştir?
A) 250B) 350C) 550D) 700E) 1000
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Houston Texans.com, Comcast SportsNet and SportsTalk 980 to provide reside coverage
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ARLINGTON, Va. – The Washington Richesse Draft Day Party and uniform unveiling on Friday, June 22, at the Kettler Richesse Iceplex in Arlington, Va., will function current and former Richesse players, free skating, involved games, a locker room trip, new merchandise on sale as well as – the evening’s highlight – an amazing show to reveal the team’ohydrates new red, white and blue uniforms.
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Free tickets for the event are “sold out,” but fans can watch the consistent unveiling live on WashingtonCaps.com as well as Comcast SportsNet, which will provide live interview from Kettler Capitals Iceplex during “Buenos aires Post Live” at 5 g.m. and live protection of the unveiling during “SportsNite” from 6:30 p.meters. Immediately following the unveiling SportsTalk 980 will broadcast a one-hour show coming from Kettler Capitals Iceplex, featuring reaction to the newest uniforms and coverage with the NHL Entry Draft as the very first round unfolds in Columbus, Kansas.
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Comcast SportsNet play-by-play announcer Joe Beninati will emcee the introduction and participate in a cell discussion during the show on SportsTalk 980. Bj Sorenson from Comcast SportsNet will also be a part of the section discussion.

Fans at Kettler Capitals Iceplex will likely be treated to a variety of routines, including:
Appearances and autograph sessions together with Capitals alumni Mike Gartner along with Rod Langway – both Hall regarding Famers – as well as Yvon Labre and Kelly Callier. Visits and autographs from skipper Chris Clark and teammates Ben Clymer, Brent Manley, Brian Pothier and Jeff Schultz. Free skate boarding on the public rink (fans are encouraged to bring their skates as rentals are limited). Merchandise stands offering the initial chance to own new-look Capitals items. Interactive games both inside Kettler Richesse Iceplex and outside on the parking deck. A tour of the Capitals’ new locker area and training area. Food and beverage stations catered by Arlington restaurants The Front Page and also Rock Bottom Brewery. The chance to watch stay coverage of the first rounded of the NHL Entry Draft about giant screens in both rinks in addition to 42-inch plasma televisions on the “Draft Central” mezzanine stage.
Gartner’s visit is the first public appearance in Buenos aires, D.C., by the Capitals’ second-leading job scorer since he retired with 1998. He and the some other current and former Capitals will sign autographs and/or skate on the public rink after the homogeneous unveiling.
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The new merchandise for sale at Kettler Capitals Iceplex will include a variety of hats, long- and short-sleeved T-shirts and golfing shirts – including items manufactured for children and female fans. Your Capitals will also begin accepting pre-orders for the new uniforms. A result of the production time required to create the new Reebok EDGE Uniform System for all 30 NHL teams, nothing of he new clothing, league-wide, will be available for purchase until Sept.
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Fans who purchase a uniform from the Capitals will receive any Caps travel mug remembering the unveiling of the fresh uniforms as a give along with purchase, while supplies past. Fans not attending the actual Draft Day Party as well as uniform unveiling can find numerous preordering jerseys from the Capitals about WashingtonCaps.com beginning on Saturday, June 23.
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Doors will open up for the event at Your five:30 p.m. Fans are asked to be in his or her seats or in front of a single of the many TV screens by 6:30 p.mirielle. with the uniform unveiling starting point at approximately 6:Forty p.m.

Event Schedule

5:30 delaware.m. - Doors Available to Public

Open Skate on Blue rink
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6:Thirty p.m. - All supporters with red tickets are required to be seated in Red-colored rink seating area.

Fans with blue lotto tickets are requested to gather around monitors

6:50 p.m. - Unveiling from the new uniform

7:00 p.michael. - Live NHL Entry Draft display begins

7:30 p.m. * Locker room tours

8:00 p.m. - Alumni and Gamer autograph sessions begin

9:00 p.m. - Alumni and Gamer autograph sessions end

10:00 p.m. - Draft day Party concludes
All Times Eastern
Houston, Va. ndash; The Houston Richesse will celebrate the NFLrsquo;utes Hockey is for Everyone thirty days at their game against the Atlanta Thrashers on Friday, Feb. Five. The game kicks off a month-long motivation designed to celebrate hockeyrsquo;s advancement and diversity.
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In keeping with the gamersquo;s theme of Hockey is for Everyone, youth players by Fort Dupontrsquo;s ldquo;Kids about Icerdquo; will form the Caps A flag Tunnel and the Ice Group will be from the Montgomery Youth Dance shoes Association Under-16 Girls. During the intermission there'll be a shootout featuring players through Special Hockey Houston together with members of the Houston IceDogs, NOVA Awesome Cats, Baltimore Saints and Montgomery Cheetahs taking part. Sitting in Greenrsquo;s Gang and Ovirsquo;s Crazy 8s will be children from the Fort Dupont Cannons.
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Continuing with Handbags is for Everyone month, upon Monday, Feb. 8 secretary coach Dean Evason, forwards Alex Ovechkin and Alexander Semin and also Slapshot will visit one of the Richesse adopted D.C. Open Schools ndash; Emery Education Campus inside Northeast Houston ndash; for a Lids Hockey School visit, where they will teach the students distinct drills and donate dance shoes equipment. That night Capitals forward Brooks Laich will pay a visit to Fort Dupontrsquo;s ldquo;Learn to Playrdquo; Kids Deshaun Watson Houston Texans Jerseys Uniform system and skate with youngsters and show them some dance shoes skills. The Capitals Youngsters Hockey Department and Laich may donate helmets, pucks and branches to the program after the program. On Friday, Feb. Twenty-six the Capitals will be visiting the other adopted D.Do. Public School ndash; King Elementary School in Southeast Oregon ndash; for the second February Limits Hockey School visit. As soon as the Caps lead students in a hockey clinic they will donate a set of street hockey products.
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Following the monthrsquo;s Hockey is perfect for Everyone theme the Capitals are partnering with the Junior Womenrsquo;s Hockey League to show the third annual 2010 JWHL Problem Cup which will be held Feb. 12-15 at Kettler Capitals Iceplex. The Freshman Womenrsquo;s Hockey League will be the premier developmental league regarding prospective female collegiate people in the US and Canada. The actual league includes teams coming from across North America including Alberta, B . c ., Ontario, Manitoba, Minnesota and Massachusetts. The leaguersquo;s local group is the Houston Pride away from Rockville, Md. The Championship sport will take place at 13 a.m. on Monday, Feb. 15, at Kettler Richesse Iceplex. Admission to the tournament is free of charge and the tournament schedule is available at www.jwhl.org.
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To complete Hockey is for Everyone thirty days the Houston Capitals are generally proud to support the local high school graduation hockey state championship video games for Maryland and The state of virginia. The Northern Virginia Scholastic American football League (NVSHL) and the Maryland Scholastic Hockey League (MSHL) will host the actual ldquo;Capitals Cuprdquo; state championship competition for high school hockey. The actual Maryland Championship game will need place on Saturday, Feb. Something like 20, at 7 p.mirielle. at The Gardens Ice Home in Laurel, Md. The The state of virginia championship game will take place on Friday, Feb. 26, from 7 p.m. from Kettler Capitals Iceplex in Houston, Va. More resources for the tournaments visit the nfl websites at www.nvshl.org and www.mshl.org.
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Hockey is designed for Everyone
Hockey is for Everyone month is an initiative that runs in the course of February and celebrates hockeyrsquo;ersus growth and diversity. Hockey is designed for Everyone provides support and different programming to nonprofit junior hockey organizations across The usa that are committed to offering kids of all backgrounds the opportunity to perform hockey. Since its inception, Hockey is for Everyone has exposed more than 45,000 kids to unique hockey encounters.